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#! /bin/sh
#**************************************************************************
#* *
#* OCaml *
#* *
#* Xavier Leroy, projet Cristal, INRIA Rocquencourt *
#* *
#* Copyright 1999 Institut National de Recherche en Informatique et *
#* en Automatique. *
#* *
#* All rights reserved. This file is distributed under the terms of *
#* the GNU Lesser General Public License version 2.1, with the *
#* special exception on linking described in the file LICENSE. *
#* *
#**************************************************************************
ocamlversion=`head -1 VERSION`
echo "Configuring OCaml version $ocamlversion"
configure_options="$*"
prefix=/usr/local
bindir=''
target_bindir=''
libdir=''
mandir=''
programs_man_section=1
libraries_man_section=3
host_type=unknown
target_type=""
ccoption=''
cpp='cpp'
asoption=''
asppoption=''
cclibs=''
mathlib='-lm'
dllib=''
x11_include_dir=''
x11_lib_dir=''
libunwind_include_dir=''
libunwind_lib_dir=''
libunwind_available=false
disable_libunwind=false
graph_wanted=yes
pthread_wanted=yes
dl_defs=''
verbose=false
debugruntime=true
with_sharedlibs=true
partialld="ld -r"
with_debugger=ocamldebugger
with_ocamldoc=ocamldoc
with_frame_pointers=false
with_spacetime=false
enable_call_counts=true
with_profinfo=false
profinfo_width=0
no_naked_pointers=false
native_compiler=true
TOOLPREF=""
with_cfi=true
install_bytecode_programs=true
install_source_artifacts=true
flambda=false
force_safe_string=false
default_safe_string=true
afl_instrument=false
max_testsuite_dir_retries=0
with_fpic=false
flat_float_array=true
with_flambda_invariants=false
# we distinguish '' (not set) from 'true' (explicitly set by the user)
with_instrumented_runtime=''
# Try to turn internationalization off, can cause config.guess to malfunction!
unset LANG
unset LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES LC_MONETARY LC_NUMERIC LC_TIME
# Turn off some MacOS X debugging stuff, same reason
unset RC_TRACE_ARCHIVES RC_TRACE_DYLIBS RC_TRACE_PREBINDING_DISABLED
# The inf(), wrn(), err() functions below can be used to provide a consistent
# way to notify the user. The notification is always given to the stdout
# descriptor.
#
# Their output is redirected to a file-descriptor "3" which is then redirected
# to fd 1 at the level of the whole configure script. This is done to not
# conflict with how values are returned from functions in shell script.
# Consider the following where "It works!" would be mixed with "42".
# do_foo() {
# if some_command; then
# inf "It works!"
# echo "42"
# fi
# }
inf() {
printf "%b\n" "$*" 1>&3
}
wrn() {
printf "[WARNING] %b\n" "$*" 1>&3
}
err() {
printf "[ERROR!] %b\n" "$*" 1>&3
exit 2
}
exec 3>&1
# Parse command-line arguments
while : ; do
case "$1" in
"") break;;
-prefix|--prefix)
prefix=$2; shift;;
-bindir|--bindir)
bindir=$2; shift;;
-target-bindir|--target-bindir)
target_bindir="$2"; shift;;
-libdir|--libdir)
libdir=$2; shift;;
-mandir|--mandir)
case "$2" in
*/man[1-9ln])
mandir=`echo $2 | sed -e 's|^\(.*\)/man.$|\1|'`
programs_man_section=`echo $2 | sed -e 's/^.*\(.\)$/\1/'`;;
*)
mandir=$2;;
esac
shift;;
-libunwinddir|--libunwinddir)
libunwind_include_dir=$2/include;
libunwind_lib_dir=$2/lib;
shift;;
-libunwindlib|--libunwindlib)
libunwind_lib_dir=$2; shift;;
-libunwindinclude|--libunwindinclude)
libunwind_include_dir=$2; shift;;
-disable-libunwind|--disable-libunwind)
disable_libunwind=true;;
-host*|--host*)
host_type=$2; shift;;
-target*|--target*)
target_type=$2; shift;;
-cc*)
ccoption="$2"; shift;;
-as)
asoption="$2"; shift;;
-aspp)
asppoption="$2"; shift;;
-lib*)
cclibs="$2 $cclibs"; shift;;
-no-curses|--no-curses)
;; # Ignored for backward compatibility
-no-shared-libs|--no-shared-libs)
with_sharedlibs=false;;
-x11include*|--x11include*)
x11_include_dir=$2; shift;;
-x11lib*|--x11lib*)
x11_lib_dir=$2; shift;;
-no-graph|--no-graph) graph_wanted=no;;
-with-pthread*|--with-pthread*)
;; # Ignored for backward compatibility
-no-pthread*|--no-pthread*)
pthread_wanted=no;;
-partialld|--partialld)
partialld="$2"; shift;;
-dldefs*|--dldefs*)
dl_defs="$2"; shift;;
-dllibs*|--dllibs*)
dllib="$2"; shift;;
-verbose|--verbose)
verbose=true;;
-with-debug-runtime|--with-debug-runtime)
debugruntime=true;; # default
-no-debug-runtime|--no-debug-runtime)
debugruntime=false;;
-with-instrumented-runtime|--with-instrumented-runtime)
with_instrumented_runtime=true;;
-no-instrumented-runtime|--no-instrumented-runtime)
with_instrumented_runtime=false;;
-no-debugger|--no-debugger)
with_debugger="";;
-no-ocamldoc|--no-ocamldoc)
with_ocamldoc="";;
-no-ocamlbuild|--no-ocamlbuild)
;; # ignored for backward compatibility
-with-frame-pointers|--with-frame-pointers)
with_frame_pointers=true;;
-no-naked-pointers|--no-naked-pointers)
no_naked_pointers=true;;
-spacetime|--spacetime)
with_spacetime=true; with_profinfo=true; profinfo_width=26;;
-disable-call-counts|--disable-call-counts)
enable_call_counts=false;;
-reserved-header-bits|--reserved-header-bits)
with_spacetime=false; with_profinfo=true; profinfo_width=$2;shift
case $profinfo_width in
0) with_profinfo=false;;
[0123456789]);;
1?|2?);;
3[012]);;
*) err "--reserved-header-bits argument must be less than 32"
esac
;;
-no-cfi|--no-cfi)
with_cfi=false;;
-install-source-artifacts|--install-source-artifacts)
install_source_artifacts=true;;
-no-install-source-artifacts|--no-install-source-artifacts)
install_source_artifacts=false;;
-no-native-compiler|--no-native-compiler)
native_compiler=false;;
-install-bytecode-programs|--install-bytecode-programs)
install_bytecode_programs=true;;
-no-install-bytecode-programs|--no-install-bytecode-programs)
install_bytecode_programs=false;;
-flambda|--flambda)
flambda=true;;
-with-flambda-invariants|--with-flambda-invariants)
with_flambda_invariants=true;;
-with-cplugins|--with-cplugins)
err "--with-cplugins is no longer supported";;
-no-cplugins|--no-cplugins)
;; # Ignored for backward compatibility
-fPIC|--fPIC)
with_fpic=true;;
# There are two configure-time string safety options,
# -(no-)force-safe-string and -default-(un)safe-string that
# interact with a compile-time (un)safe-string option.
#
# If -force-safe-string is set at configure time, then the compiler
# will always enforce that string and bytes are distinct: the
# compile-time -unsafe-string option is disabled. This lets us
# assume pervasive string immutability, for code optimizations and
# in the C layer.
#
# If -no-force-safe-string is set at configure-time, the compiler
# will use the compile-time (un)safe-string option to decide whether
# string and bytes are compatible on a per-file basis. The
# configure-time options default-(un)safe-string decide which
# setting will be chosen by default, if no compile-time option is
# explicitly passed.
#
# The configure-time behavior of OCaml 4.05 and older was equivalent
# to -no-force-safe-string -default-unsafe-string. OCaml 4.06
# uses -no-force-safe-string -default-safe-string. We
# expect -force-safe-string to become the default in the future.
-force-safe-string|--force-safe-string)
force_safe_string=true;;
-no-force-safe-string|--no-force-safe-string)
force_safe_string=false;;
-default-safe-string|--default-safe-string)
default_safe_string=true;;
-default-unsafe-string|--default-unsafe-string)
default_safe_string=false;;
-flat-float-array|--flat-float-array)
flat_float_array=true;;
-no-flat-float-array|--no-flat-float-array)
flat_float_array=false;;
-afl-instrument)
afl_instrument=true;;
*) if echo "$1" | grep -q -e '^--\?[a-zA-Z0-9-]\+='; then
err "configure expects arguments of the form '-prefix /foo/bar'," \
"not '-prefix=/foo/bar' (note the '=')."
else
err "Unknown option \"$1\"."
fi;;
esac
shift
done
# Sanity checks
case "$prefix" in
/*) ;;
*) err "The -prefix directory must be absolute.";;
esac
case "$bindir" in
/*) ;;
"") ;;
'$(PREFIX)/'*) ;;
*) err 'The -bindir directory must be absolute or relative to $(PREFIX).';;
esac
case "$libdir" in
/*) ;;
"") ;;
'$(PREFIX)/'*) ;;
*) err 'The -libdir directory must be absolute or relative to $(PREFIX).';;
esac
case "$mandir" in
/*) ;;
"") ;;
'$(PREFIX)/'*) ;;
*) err 'The -mandir directory must be absolute or relative to $(PREFIX).';;
esac
# Generate the files
cd config/auto-aux
conffile=Makefile.config
rm -f s.h m.h ${conffile}
touch s.h m.h ${conffile}
# Write options to ${conffile}
config() {
# This function hardens the generated Makefile.config against '#' symbols
# present in a source path (opam-compiler-conf may pick such directory
# names if working from a branch named 'PR#4242-answer-all-questions')
# by escaping them into '\#'.
# When injecting data in Makefiles, it is customary to also escape
# '$', which get turned into '$$'. However, this transformation is
# invalid here as some of the variables are meant to be code
# interpreted by make: for example, passing
# --bindir "$(PREFIX)/bin2"
# is explicitly supported (see "or relative to $(PREFIX)" messages above).
# Finally, it is also impossible for the user to escape the '#' signs
# before calling this configure script, given that
# $(PREFIX) is also injected in C code where this escape is invalid
# -- see the definition of the OCAML_STDLIB_DIR macro below.
echo "$1=$2" | sed 's/#/\\#/g' >> ${conffile}
}
echo "# generated by ./configure $configure_options" >> ${conffile}
config CONFIGURE_ARGS "$configure_options"
# Where to install
config PREFIX "$prefix"
case "$bindir" in
"") config BINDIR '$(PREFIX)/bin'
bindir="$prefix/bin";;
*) config BINDIR "$bindir";;
esac
case "$libdir" in
"") config LIBDIR '$(PREFIX)/lib/ocaml'
libdir="$prefix/lib/ocaml";;
*) config LIBDIR "$libdir";;
esac
config STUBLIBDIR '$(LIBDIR)/stublibs'
case "$mandir" in
"") config MANDIR '$(PREFIX)/man'
mandir="$prefix/man";;
*) config MANDIR "$mandir";;
esac
config PROGRAMS_MAN_SECTION "$programs_man_section"
config LIBRARIES_MAN_SECTION "$libraries_man_section"
# Determine the system type
if test "$host_type" = "unknown"; then
if host_type=`sh ../gnu/config.guess`; then :; else
err "Cannot guess host type. You must specify one with the -host option."
fi
fi
if host=`sh ../gnu/config.sub $host_type`; then :; else
err "Please specify the correct host type with the -host option"
fi
inf "Configuring for host $host ..."
if test -n "$target_type"; then
target="$target_type"
TOOLPREF="${target}-"
else
target="$host"
fi
inf "Configuring for target $target ..."
if [ x"$host" = x"$target" ]; then
cross_compiler=false
else
cross_compiler=true
fi
# Do we have gcc?
if test -z "$ccoption"; then
if sh ./searchpath "${TOOLPREF}gcc"; then
cc="${TOOLPREF}gcc"
else
if $cross_compiler; then
err "No cross-compiler found for ${target}.\n" \
"It should be named ${TOOLPREF}gcc and be in the PATH."
else
cc="cc"
fi
fi
else
cc="$ccoption"
fi
inf "Using compiler $cc."
# Configure compiler to use in further tests.
export cc verbose
# Determine the C compiler family (GCC, Clang, etc)
ccfamily=`$cc -E cckind.c | grep '^[a-z]' | tr -s ' ' '-'`
case $? in
0) inf "Compiler family and version: $ccfamily.";;
*) err "Unable to preprocess the test program.\n" \
"Make sure the C compiler $cc is properly installed.";;
esac
# The BYTECODE_C_COMPILER make variable says how the C compiler should be
# invoked to process a third-party C source file passed to ocamlc
# when no -cc command-line option has been specified.
# The SHAREDLIB_CFLAGS make variable contains options to use to compile C
# source files so that the resulting object files can then be integrated
# into shared libraries. It is passed to CC for both C source files
# in the OCaml distribution and third-party C source files compiled
# with ocamlc.
mkexe="\$(CC) \$(OC_CFLAGS) \$(OC_CPPFLAGS) \$(OC_LDFLAGS)"
mkexedebugflag="-g"
common_cflags=""
common_cppflags=""
internal_cflags=""
internal_cppflags=""
ocamlc_cflags=""
ocamlc_cppflags=""
ocamlopt_cflags=""
ocamlopt_cppflags=""
ldflags=""
ostype="Unix"
exe=""
iflexdir=""
SO="so"
TOOLCHAIN="cc"
# Choose reasonable options based on compiler kind
# We select high optimization levels, provided we can turn off:
# - strict type-based aliasing analysis (too risky for the OCaml runtime)
# - strict no-overflow conditions on signed integer arithmetic
# (the OCaml runtime assumes Java-style behavior of signed integer arith.)
# Concerning optimization level, -O3 is somewhat risky, so take -O2.
# Concerning language version, gnu99 is ISO C99 plus GNU extensions
# that are often used in standard headers. Older GCC versions
# defaults to gnu89, which is not C99. Clang defaults to gnu99 or
# gnu11, which is fine.
case "$ocamlversion" in
*+dev*) gcc_warnings="-Wall -Werror";;
*) gcc_warnings="-Wall";;
esac
case "$ccfamily" in
clang-*)
common_cflags="-O2 -fno-strict-aliasing -fwrapv";
internal_cflags="$gcc_warnings";;
gcc-[012]-*)
# Some versions known to miscompile OCaml, e,g, 2.7.2.1, some 2.96.
# Plus: C99 support unknown.
err "This version of GCC is too old. Please use GCC version 4.2 or above.";;
gcc-3-*|gcc-4-[01])
# No -fwrapv option before GCC 3.4.
# Known problems with -fwrapv fixed in 4.2 only.
wrn "This version of GCC is rather old. Reducing optimization level."
wrn "Consider using GCC version 4.2 or above."
common_cflags="-std=gnu99 -O";
internal_cflags="$gcc_warnings";;
gcc-4-*)
common_cflags="-std=gnu99 -O2 -fno-strict-aliasing -fwrapv \
-fno-builtin-memcmp";
internal_cflags="$gcc_warnings";;
gcc-*)
common_cflags="-O2 -fno-strict-aliasing -fwrapv";
internal_cflags="$gcc_warnings";;
*)
common_cflags="-O";;
esac
internal_cppflags="-DCAML_NAME_SPACE $internal_cppflags"
# Adjust according to target
case "$cc,$target" in
*,*-*-darwin*)
mathlib=""
mkexe="$mkexe -Wl,-no_compact_unwind"
# Tell gcc that we can use 32-bit code addresses for threaded code
# unless we are compiled for a shared library (-fPIC option)
echo "#define HAS_ARCH_CODE32" >> m.h;;
*,*-*-haiku*)
# No -lm library
mathlib="";;
*,*-*-cygwin*)
case $target in
i686-*) flavor=cygwin;;
x86_64-*) flavor=cygwin64;;
*) err "unknown cygwin variant";;
esac
common_cppflags="$common_cppflags -U_WIN32"
if $with_sharedlibs; then
flexlink="flexlink -chain $flavor -merge-manifest -stack 16777216"
flexdir=`$flexlink -where | tr -d '\015'`
if test -z "$flexdir"; then
wrn "flexlink not found: native shared libraries won't be available."
with_sharedlibs=false
else
iflexdir="-I\"$flexdir\""
mkexe="$flexlink -exe"
mkexedebugflag="-link -g"
fi
fi
if ! $with_sharedlibs; then
mkexe="$mkexe -Wl,--stack,16777216"
ldflags="-Wl,--stack,16777216"
fi
exe=".exe"
ostype="Cygwin";;
*,*-*-mingw*)
if $with_sharedlibs; then
case "$target" in
i686-*-*) flexlink_chain="mingw";;
x86_64-*-*) flexlink_chain="mingw64";;
esac
flexlink="flexlink -chain $flexlink_chain -merge-manifest -stack 16777216"
flexdir=`$flexlink -where`
if test -z "$flexdir"; then
wrn "flexlink not found: native shared libraries won't be available."
with_sharedlibs=false
else
iflexdir="-I\"$flexdir\""
mkexe="$flexlink -exe"
mkexedebugflag="-link -g"
fi
fi
exe=".exe"
ostype="Win32"
TOOLCHAIN="mingw"
SO="dll"
;;
*,x86_64-*-linux*)
# Tell gcc that we can use 32-bit code addresses for threaded code
# unless we are compiled for a shared library (-fPIC option)
echo "#define HAS_ARCH_CODE32" >> m.h
esac
# Configure compiler options to use in further tests.
export cclibs ldflags
# Check C compiler.
cflags="$common_cflags $internal_cflags" sh ./runtest ansi.c
case $? in
0) inf "The C compiler is ISO C99 compliant." ;;
1) wrn "The C compiler is ANSI / ISO C90 compliant, but not ISO C99" \
"compliant.";;
2) err "The C compiler $cc is not ISO C compliant.\n" \
"You need an ISO C99 compiler to build OCaml.";;
*)
if $cross_compiler; then
wrn "Unable to compile the test program.\n" \
"This failure is expected for cross-compilation:\n" \
"we will assume the C compiler is ISO C99-compliant."
else
err "Unable to compile the test program.\n" \
"Make sure the C compiler $cc is properly installed."
fi;;
esac
# For cross-compilation, we need a host-based ocamlrun and ocamlyacc,
# and the user must specify the target BINDIR
if $cross_compiler; then
if ! sh ./searchpath ocamlrun; then
err "Cross-compilation requires an ocaml runtime environment\n" \
"(the ocamlrun binary). Moreover, its version must be the same\n" \
"as the one you're trying to build (`cut -f1 -d+ < ../../VERSION`)."
else
ocaml_system_version=`ocamlrun -version | sed 's/[^0-9]*\([0-9.]*\).*/\1/'`
ocaml_source_version=`sed -n '1 s/\([0-9\.]*\).*/\1/ p' < ../../VERSION`
if test x"$ocaml_system_version" != x"$ocaml_source_version"; then
err "While you have an ocaml runtime environment, its version\n" \
"($ocaml_system_version) doesn't match the version of these\n" \
"sources ($ocaml_source_version)."
else
config CAMLRUN "`./searchpath -p ocamlrun`"
fi
fi
if ! sh ./searchpath ocamlyacc; then
err "Cross-compilation requires an ocamlyacc binary."
else
ocamlyacc 2>/dev/null
if test "$?" -ne 1; then
err "While you have an ocamlyacc binary, it cannot be executed" \
"successfully."
else
config CAMLYACC "`./searchpath -p ocamlyacc`"
fi
fi
if [ -z "$target_bindir" ]; then
err "Cross-compilation requires -target-bindir."
else
config TARGET_BINDIR "$target_bindir"
fi
fi # cross-compiler
# Check the sizes of data types
# OCaml needs a 32 or 64 bit architecture, a 32-bit integer type and
# a 64-bit integer type
inf "Checking the sizes of integers and pointers..."
ret=`sh ./runtest sizes.c`
# $1 = sizeof(int)
# $2 = sizeof(long)
# $3 = sizeof(pointers)
# $4 = sizeof(short)
# $5 = sizeof(long long)
if test "$?" -eq 0; then
set $ret
case "$3" in
4) inf "OK, this is a regular 32 bit architecture."
echo "#undef ARCH_SIXTYFOUR" >> m.h
config ARCH64 "false"
arch64=false;;
8) inf "Wow! A 64 bit architecture!"
echo "#define ARCH_SIXTYFOUR" >> m.h
config ARCH64 "true"
arch64=true;;
*) err "This architecture seems to be neither 32 bits nor 64 bits.\n" \
"OCaml won't run on this architecture.";;
esac
else
# For cross-compilation, runtest always fails: add special handling.
case "$target" in
i686-*-mingw*) inf "OK, this is a regular 32 bit architecture."
echo "#undef ARCH_SIXTYFOUR" >> m.h
set 4 4 4 2 8
arch64=false;;
x86_64-*-mingw*) inf "Wow! A 64 bit architecture!"
echo "#define ARCH_SIXTYFOUR" >> m.h
set 4 4 8 2 8
arch64=true;;
*) err "Since datatype sizes cannot be guessed when cross-compiling,\n" \
"a hardcoded list is used but your architecture isn't known yet.\n" \
"You need to determine the sizes yourself.\n" \
"Please submit a bug report in order to expand the list." ;;
esac
fi
if test $1 != 4 && test $2 != 4 && test $4 != 4; then
err "Sorry, we can't find a 32-bit integer type\n" \
"(sizeof(short) = $4, sizeof(int) = $1, sizeof(long) = $2)\n" \
"OCaml won't run on this architecture."
fi
if test $2 != 8 && test $5 != 8; then
err "Sorry, we can't find a 64-bit integer type\n" \
"(sizeof(long) = $2, sizeof(long long) = $5)\n" \
"OCaml won't run on this architecture."
fi
echo "#define SIZEOF_INT $1" >> m.h
echo "#define SIZEOF_LONG $2" >> m.h
echo "#define SIZEOF_PTR $3" >> m.h
echo "#define SIZEOF_SHORT $4" >> m.h
echo "#define SIZEOF_LONGLONG $5" >> m.h
echo "#define INT64_LITERAL(s) s ## LL" >> m.h
# Determine endianness
sh ./runtest endian.c
case $? in
0) inf "This is a big-endian architecture."
echo "#define ARCH_BIG_ENDIAN" >> m.h;;
1) inf "This is a little-endian architecture."
echo "#undef ARCH_BIG_ENDIAN" >> m.h;;
2) err "This architecture seems to be neither big endian nor little" \
"endian.\n OCaml won't run on this architecture.";;
*) case $target in
*-*-mingw*) inf "This is a little-endian architecture."
echo "#undef ARCH_BIG_ENDIAN" >> m.h;;
*) wrn "Something went wrong during endianness determination.\n" \
"You will have to figure out endianness yourself\n" \
"(option ARCH_BIG_ENDIAN in m.h).";;
esac;;
esac
# Determine alignment constraints
case "$target" in
sparc*-*-*|hppa*-*-*|arm*-*-*|mips*-*-*)
# On Sparc V9 with certain versions of gcc, determination of double
# alignment is not reliable (PR#1521), hence force it.
# Same goes for hppa.
# PR#5088 suggests same problem on ARM.
# PR#5280 reports same problem on MIPS.
# But there's a knack (PR#2572):
# if we're in 64-bit mode (sizeof(long) == 8),
# we must not doubleword-align floats...
if test $2 = 8; then
inf "Doubles can be word-aligned."
echo "#undef ARCH_ALIGN_DOUBLE" >> m.h
else
inf "Doubles must be doubleword-aligned."
echo "#define ARCH_ALIGN_DOUBLE" >> m.h
fi;;
*)
sh ./runtest dblalign.c
case $? in
0) inf "Doubles can be word-aligned."
echo "#undef ARCH_ALIGN_DOUBLE" >> m.h;;
1) inf "Doubles must be doubleword-aligned."
echo "#define ARCH_ALIGN_DOUBLE" >> m.h;;
*) case "$target" in
*-*-mingw*) inf "Doubles can be word-aligned."
echo "#undef ARCH_ALIGN_DOUBLE" >> m.h;;
*) wrn "Something went wrong during alignment determination for" \
"doubles.\n" \
"We will assume alignment constraints over doubles.\n" \
"That's a safe bet: OCaml will work even if\n" \
"this architecture actually has no alignment constraints."
echo "#define ARCH_ALIGN_DOUBLE" >> m.h;;
esac;;
esac;;
esac
case "$target" in
# PR#5088: autodetection is unreliable on ARM. PR#5280: also on MIPS.
sparc*-*-*|hppa*-*-*|arm*-*-*|mips*-*-*)
if test $2 = 8; then
inf "64-bit integers can be word-aligned."
echo "#undef ARCH_ALIGN_INT64" >> m.h
else
inf "64-bit integers must be doubleword-aligned."
echo "#define ARCH_ALIGN_INT64" >> m.h
fi;;
*-*-mingw*) true;; # Nothing is in config/m-nt.h so don't add anything.
*)
sh ./runtest int64align.c
case $? in
0) inf "64-bit integers can be word-aligned."
echo "#undef ARCH_ALIGN_INT64" >> m.h;;
1) inf "64-bit integers must be doubleword-aligned."
echo "#define ARCH_ALIGN_INT64" >> m.h;;
*) wrn "Something went wrong during alignment determination for\n" \
"64-bit integers. I'm going to assume this architecture has\n" \
"alignment constraints. That's a safe bet: OCaml will work\n" \
"even if this architecture has actually no alignment\n" \
"constraints."
echo "#define ARCH_ALIGN_INT64" >> m.h;;
esac
esac
# Shared library support
shared_libraries_supported=false
dl_needs_underscore=false
sharedlib_cflags=''
mksharedlib='shared-libs-not-available'
rpath=''
mksharedlibrpath=''
natdynlinkopts=""
if $with_sharedlibs; then
case "$target" in
*-*-cygwin*)
mksharedlib="$flexlink"
mkmaindll="$flexlink -maindll"
shared_libraries_supported=true;;
*-*-mingw*)
mksharedlib="$flexlink"
mkmaindll="$flexlink -maindll"
shared_libraries_supported=true;;
*-apple-darwin*)
mksharedlib="$cc -shared -flat_namespace -undefined suppress \
-Wl,-no_compact_unwind"
common_cflags="$dl_defs $common_cflags"
dl_needs_underscore=false
shared_libraries_supported=true;;
*-*-linux*|*-*-freebsd[3-9]*|*-*-freebsd[1-9][0-9]*\
|*-*-openbsd*|*-*-netbsd*|*-*-dragonfly*|*-*-gnu*|*-*-haiku*)
sharedlib_cflags="-fPIC"
mksharedlib="$cc -shared"
ldflags="$ldflags -Wl,-E"
rpath="-Wl,-rpath,"
mksharedlibrpath="-Wl,-rpath,"
natdynlinkopts="-Wl,-E"
shared_libraries_supported=true;;
esac
fi
if test -z "$mkmaindll"; then
mkmaindll=$mksharedlib
fi
# Configure native dynlink
natdynlink=false
if $with_sharedlibs; then
case "$target" in
*-*-cygwin*) natdynlink=true;;
*-*-mingw*) natdynlink=true;;
i[3456]86-*-linux*) natdynlink=true;;
i[3456]86-*-gnu*) natdynlink=true;;
x86_64-*-linux*) natdynlink=true;;
i[3456]86-*-darwin*)
if test $arch64 == true; then
natdynlink=true
fi;;
x86_64-*-darwin*) natdynlink=true;;
s390x*-*-linux*) natdynlink=true;;
powerpc*-*-linux*) natdynlink=true;;
i686-*-kfreebsd*) natdynlink=true;;
x86_64-*-kfreebsd*) natdynlink=true;;
x86_64-*-dragonfly*) natdynlink=true;;
i[3456]86-*-freebsd*) natdynlink=true;;
x86_64-*-freebsd*) natdynlink=true;;
i[3456]86-*-openbsd*) natdynlink=true;;
x86_64-*-openbsd*) natdynlink=true;;
i[3456]86-*-netbsd*) natdynlink=true;;
x86_64-*-netbsd*) natdynlink=true;;
i386-*-gnu0.3) natdynlink=true;;
i[3456]86-*-haiku*) natdynlink=true;;
arm*-*-linux*) natdynlink=true;;
arm*-*-freebsd*) natdynlink=true;;
earm*-*-netbsd*) natdynlink=true;;
aarch64-*-linux*) natdynlink=true;;
esac
fi
if test $natdynlink = "true"; then
cmxs="cmxs"
else
cmxs="cmxa"
fi
# Try to work around the Skylake/Kaby Lake processor bug.
case "$cc,$target" in
*gcc*,x86_64-*|*gcc*,i686-*)
if sh ./hasgot -Werror -fno-tree-vrp; then
internal_cflags="$internal_cflags -fno-tree-vrp"
inf "Adding -fno-tree-vrp option to work around PR#7452"
fi;;
esac
# Configure the native-code compiler
arch=none
model=default
system=unknown
case "$target" in
i[3456]86-*-linux*) arch=i386; system=linux_`sh ./runtest elf.c`;;
i[3456]86-*-*bsd*) arch=i386; system=bsd_`sh ./runtest elf.c`;;
i[3456]86-*-haiku*) arch=i386; system=beos;;
i[3456]86-*-cygwin*) arch=i386; system=cygwin;;
i[3456]86-*-darwin*) if $arch64; then
arch=amd64; system=macosx
else
arch=i386; system=macosx
fi;;
i[3456]86-*-gnu*) arch=i386; system=gnu;;
i[3456]86-*-mingw*) arch=i386; system=mingw;;
powerpc64le*-*-linux*) arch=power; model=ppc64le; system=elf;;
powerpc*-*-linux*) arch=power;
if $arch64; then model=ppc64; else model=ppc; fi
system=elf;;
powerpc-*-netbsd*) arch=power; model=ppc; system=netbsd;;
powerpc-*-openbsd*) arch=power; model=ppc; system=bsd_elf;;
s390x*-*-linux*) arch=s390x; model=z10; system=elf;;
armv6*-*-linux-gnueabihf) arch=arm; model=armv6; system=linux_eabihf;;
armv7*-*-linux-gnueabihf) arch=arm; model=armv7; system=linux_eabihf;;
armv8*-*-linux-gnueabihf) arch=arm; model=armv8; system=linux_eabihf;;
armv8*-*-linux-gnueabi) arch=arm; model=armv8; system=linux_eabi;;
armv7*-*-linux-gnueabi) arch=arm; model=armv7; system=linux_eabi;;
armv6t2*-*-linux-gnueabi) arch=arm; model=armv6t2; system=linux_eabi;;
armv6*-*-linux-gnueabi) arch=arm; model=armv6; system=linux_eabi;;
armv6*-*-freebsd*) arch=arm; model=armv6; system=freebsd;;
earmv6*-*-netbsd*) arch=arm; model=armv6; system=netbsd;;
earmv7*-*-netbsd*) arch=arm; model=armv7; system=netbsd;;
armv5te*-*-linux-gnueabi) arch=arm; model=armv5te; system=linux_eabi;;
armv5*-*-linux-gnueabi) arch=arm; model=armv5; system=linux_eabi;;
arm*-*-linux-gnueabi) arch=arm; system=linux_eabi;;
arm*-*-openbsd*) arch=arm; system=bsd;;
zaurus*-*-openbsd*) arch=arm; system=bsd;;
x86_64-*-linux*) arch=amd64; system=linux;;
x86_64-*-gnu*) arch=amd64; system=gnu;;
x86_64-*-dragonfly*) arch=amd64; system=dragonfly;;
x86_64-*-freebsd*) arch=amd64; system=freebsd;;
x86_64-*-netbsd*) arch=amd64; system=netbsd;;
x86_64-*-openbsd*) arch=amd64; system=openbsd;;
x86_64-*-darwin*) arch=amd64; system=macosx;;
x86_64-*-mingw*) arch=amd64; system=mingw;;
aarch64-*-linux*) arch=arm64; system=linux;;
x86_64-*-cygwin*) arch=amd64; system=cygwin;;
esac
# Some platforms exist both in 32-bit and 64-bit variants, not distinguished
# by $target. Turn off native code compilation on platforms where 64-bit mode
# is not supported (PR#4441).
# Sometimes, it's 32-bit mode that is not supported (PR#6722).
case "$arch64,$arch,$model" in
true,power,ppc|false,amd64,*)
arch=none; model=default; system=unknown;;
esac
case "$native_compiler" in
true) ;;
false)
arch=none; model=default; system=unknown; natdynlink=false;;
esac
case "$arch,$cc,$system,$model" in
amd64,gcc*,macosx,*) partialld="ld -r -arch x86_64";;
amd64,gcc*,solaris,*) partialld="ld -r -m elf_x86_64";;
power,gcc*,elf,ppc) partialld="ld -r -m elf32ppclinux";;
power,gcc*,elf,ppc64) partialld="ld -r -m elf64ppc";;
power,gcc*,elf,ppc64le) partialld="ld -r -m elf64lppc";;
esac
asppprofflags='-DPROFILING'
case "$arch,$system" in
amd64,macosx) if sh ./searchpath clang; then
as='clang -arch x86_64 -Wno-trigraphs -c'
aspp='clang -arch x86_64 -Wno-trigraphs -c'
else
as="${TOOLPREF}as -arch x86_64"
aspp="${TOOLPREF}gcc -arch x86_64 -c"
fi;;
amd64,solaris) as="${TOOLPREF}as --64"
aspp="${TOOLPREF}gcc -m64 -c";;
i386,solaris) as="${TOOLPREF}as"
aspp="${TOOLPREF}gcc -c";;
power,elf) if $arch64; then
as="${TOOLPREF}as -a64 -mppc64"
aspp="${TOOLPREF}gcc -m64 -c"
else
as="${TOOLPREF}as -mppc"
aspp="${TOOLPREF}gcc -m32 -c"
fi;;
s390x,elf) as="${TOOLPREF}as -m 64 -march=$model"
aspp="${TOOLPREF}gcc -c -Wa,-march=$model";;
arm,freebsd) as="${TOOLPREF}cc -c"
aspp="${TOOLPREF}cc -c";;
*,dragonfly) as="${TOOLPREF}as"
aspp="${TOOLPREF}cc -c";;
*,freebsd) as="${TOOLPREF}as"
aspp="${TOOLPREF}cc -c";;
amd64,*|arm,*|arm64,*|i386,*|power,bsd*|power,netbsd)
as="${TOOLPREF}as"
case "$ccfamily" in
clang-*)
aspp="${TOOLPREF}clang -c -Wno-trigraphs"
;;
*)
aspp="${TOOLPREF}gcc -c"
;;
esac;;
esac
if test -n "$asoption"; then as="$asoption"; fi
if test -n "$asppoption"; then aspp="$asppoption"; fi
cc_profile='-pg'
case "$arch,$system" in
i386,linux_elf) profiling='true';;
i386,gnu) profiling='true';;
i386,bsd_elf) profiling='true';;
amd64,macosx) profiling='true';;
i386,macosx) profiling='true';;
amd64,linux) profiling='true';;
amd64,openbsd) profiling='true';;
amd64,freebsd) profiling='true';;
amd64,netbsd) profiling='true';;
arm,netbsd) profiling='true';;
amd64,gnu) profiling='true';;
arm,linux*) profiling='true';;
power,elf) profiling='true';;
power,bsd*) profiling='true';;
power,netbsd) profiling='true';;
*) profiling='false';;
esac
# Where is ranlib?
if sh ./searchpath ${TOOLPREF}ranlib; then
inf "ranlib found"
config RANLIB "${TOOLPREF}ranlib"
config RANLIBCMD "${TOOLPREF}ranlib"
else
inf "ranlib not used"
config RANLIB "${TOOLPREF}ar rs"
config RANLIBCMD ""
fi
config ARCMD "${TOOLPREF}ar"
# Write the OS type (Unix or Cygwin)
echo "#define OCAML_OS_TYPE \"$ostype\"" >> s.h
# Do #! scripts work?
printf "#!%s\nexit 1\n" `command -v cat` > hashbang4
chmod +x hashbang4
if ( (./hashbang || ./hashbang2 || ./hashbang3 || ./hashbang4) >/dev/null); then
inf "#! appears to work in shell scripts."
case "$target" in
*-*-cygwin*)
wrn "We won't use it, though, because of conflicts with .exe extension " \
"under Cygwin"
config HASHBANGSCRIPTS "false";;
*-*-mingw*)
inf "We won't use it, though, because it's on the target platform " \
"it would be used and windows doesn't support it."
config HASHBANGSCRIPTS "false";;
*)
config HASHBANGSCRIPTS "true";;
esac
else
inf "No support for #! in shell scripts"
config HASHBANGSCRIPTS "false"
fi
rm hashbang4
# Use 64-bit file offset if possible
common_cppflags="$common_cppflags -D_FILE_OFFSET_BITS=64"
# Check the semantics of signal handlers
if sh ./hasgot sigaction sigprocmask; then
inf "POSIX signal handling found."
echo "#define POSIX_SIGNALS" >> s.h
else
if sh ./runtest signals.c; then
inf "Signals have the BSD semantics."
echo "#define BSD_SIGNALS" >> s.h
else
inf "Signals have the System V semantics."
fi
if sh ./hasgot sigsetmask; then
inf "sigsetmask() found"
echo "#define HAS_SIGSETMASK" >> s.h
fi
fi
# For the Pervasives module
if sh ./hasgot2 -i math.h $mathlib expm1 log1p hypot copysign; then
inf "expm1(), log1p(), hypot(), copysign() found."
echo "#define HAS_C99_FLOAT_OPS" >> s.h
fi
# For the Sys module
if sh ./hasgot getrusage; then
inf "getrusage() found."
echo "#define HAS_GETRUSAGE" >> s.h
fi
if sh ./hasgot times; then
inf "times() found."
echo "#define HAS_TIMES" >> s.h
fi
if sh ./hasgot2 -D_GNU_SOURCE -i stdlib.h secure_getenv; then
inf "secure_getenv() found."
echo "#define HAS_SECURE_GETENV" >> s.h
elif sh ./hasgot2 -D_GNU_SOURCE -i stdlib.h __secure_getenv; then
inf "__secure_getenv() found."
echo "#define HAS___SECURE_GETENV" >> s.h
fi
if sh ./hasgot -i unistd.h issetugid; then
inf "issetugid() found."
echo "#define HAS_ISSETUGID" >> s.h
fi
# For instrumented runtime
# (clock_gettime needs -lrt for glibc before 2.17)
if test "$with_instrumented_runtime" != "false"; then
instrumented_runtime_support="nonsupported"
for libs in "" "-lrt"; do
if sh ./hasgot $libs clock_gettime; then
inf "clock_gettime functions found (with libraries '$libs')"
instrumented_runtime_libs="${libs}"
instrumented_runtime_support="supported";
break
fi
done
case "$with_instrumented_runtime,$instrumented_runtime_support" in
*,supported)
with_instrumented_runtime=true;;
true,nonsupported)
with_instrumented_runtime=false;
err "clock_gettime functions not found. " \
"Instrumented runtime can't be built.";;
,nonsupported)
with_instrumented_runtime=false;
inf "clock_gettime functions not found. " \
"Instrumented runtime can't be built.";;
esac
fi
# Configuration for the libraries
case "$system" in
mingw) unix_or_win32="win32"; unixlib="win32unix"; graphlib="win32graph";;
*) unix_or_win32="unix"; unixlib="unix"; graphlib="graph";;
esac
config UNIX_OR_WIN32 "$unix_or_win32"
config UNIXLIB "$unixlib"
config GRAPHLIB "$graphlib"
otherlibraries="$unixlib str dynlink bigarray"
# Spacetime profiling is only available for native code on 64-bit targets.
case "$arch" in
none) ;;
*)
if $arch64; then
otherlibraries="$otherlibraries raw_spacetime_lib"
fi
;;
esac
# For the Unix library
has_sockets=no
if sh ./hasgot socket socketpair bind listen accept connect; then
inf "You have BSD sockets."
echo "#define HAS_SOCKETS" >> s.h
has_sockets=yes
elif sh ./hasgot -lnsl -lsocket socket socketpair bind listen accept connect
then
inf "You have BSD sockets (with libraries '-lnsl -lsocket')"
cclibs="$cclibs -lnsl -lsocket"
echo "#define HAS_SOCKETS" >> s.h
has_sockets=yes
elif sh ./hasgot -lnetwork socket socketpair bind listen accept connect; then
echo "You have BSD sockets (with library '-lnetwork')"
cclibs="$cclibs -lnetwork"
echo "#define HAS_SOCKETS" >> s.h
has_sockets=yes
else
case "$target" in
*-*-mingw*)
inf "You have BSD sockets (with libraries '-lws2_32')"
cclibs="$cclibs -lws2_32"
echo "#define HAS_SOCKETS" >> s.h
has_sockets=yes ;;
*) ;;
esac
fi
if sh ./hasgot -i sys/socket.h -t socklen_t; then
inf "socklen_t is defined in <sys/socket.h>"
echo "#define HAS_SOCKLEN_T" >> s.h
fi
if sh ./hasgot inet_aton; then
inf "inet_aton() found."
echo "#define HAS_INET_ATON" >> s.h
fi
if sh ./hasgot -i sys/types.h -i sys/socket.h -i netinet/in.h \
-t 'struct sockaddr_in6' \
&& sh ./hasgot getaddrinfo getnameinfo inet_pton inet_ntop; then
inf "IPv6 is supported."
echo "#define HAS_IPV6" >> s.h
fi
if sh ./hasgot -i stdint.h; then
inf "stdint.h found."
echo "#define HAS_STDINT_H" >> s.h
fi
if sh ./hasgot -i unistd.h; then
inf "unistd.h found."
echo "#define HAS_UNISTD" >> s.h
fi
if sh ./hasgot -i sys/types.h -t off_t; then
inf "off_t is defined in <sys/types.h>"
echo "#define HAS_OFF_T" >> s.h
fi
if sh ./hasgot -i sys/types.h -i dirent.h; then
inf "dirent.h found."
echo "#define HAS_DIRENT" >> s.h
fi
if sh ./hasgot rewinddir; then
inf "rewinddir() found."
echo "#define HAS_REWINDDIR" >> s.h
fi
if sh ./hasgot lockf; then
inf "lockf() found."
echo "#define HAS_LOCKF" >> s.h
fi
if sh ./hasgot mkfifo; then
inf "mkfifo() found."
echo "#define HAS_MKFIFO" >> s.h
fi
if sh ./hasgot getcwd; then
inf "getcwd() found."
echo "#define HAS_GETCWD" >> s.h
fi
if sh ./hasgot getpriority setpriority; then
inf "getpriority() found."
echo "#define HAS_GETPRIORITY" >> s.h
fi
if sh ./hasgot -i sys/types.h -i utime.h && sh ./hasgot utime; then
inf "utime() found."
echo "#define HAS_UTIME" >> s.h
fi
if sh ./hasgot utimes; then
inf "utimes() found."
echo "#define HAS_UTIMES" >> s.h
fi
if sh ./hasgot dup2; then
inf "dup2() found."
echo "#define HAS_DUP2" >> s.h
fi
if sh ./hasgot fchmod fchown; then
inf "fchmod() found."
echo "#define HAS_FCHMOD" >> s.h
fi
if sh ./hasgot truncate ftruncate; then
inf "truncate() found."
echo "#define HAS_TRUNCATE" >> s.h
fi
select_include=''
if sh ./hasgot -i sys/types.h -i sys/select.h; then
inf "sys/select.h found."
echo "#define HAS_SYS_SELECT_H" >> s.h
select_include='-i sys/select.h'
fi
has_select=no
if sh ./hasgot select && \
sh ./hasgot -i sys/types.h $select_include -t fd_set ; then
inf "select() found."
echo "#define HAS_SELECT" >> s.h
has_select=yes
fi
if sh ./hasgot nanosleep ; then
inf "nanosleep() found."
echo "#define HAS_NANOSLEEP" >> s.h
fi
if sh ./hasgot symlink readlink lstat; then
inf "symlink() found."
echo "#define HAS_SYMLINK" >> s.h
fi
has_wait=no
if sh ./hasgot waitpid; then
inf "waitpid() found."
echo "#define HAS_WAITPID" >> s.h
has_wait=yes
fi
if sh ./hasgot wait4; then
inf "wait4() found."
echo "#define HAS_WAIT4" >> s.h
has_wait=yes
fi
if sh ./hasgot -i limits.h && sh ./runtest getgroups.c; then
inf "getgroups() found."
echo "#define HAS_GETGROUPS" >> s.h
fi
if sh ./hasgot -i limits.h -i grp.h && sh ./runtest setgroups.c; then
inf "setgroups() found."
echo "#define HAS_SETGROUPS" >> s.h
fi
if sh ./hasgot -i limits.h -i grp.h && sh ./runtest initgroups.c; then
inf "initgroups() found."
echo "#define HAS_INITGROUPS" >> s.h
fi
if sh ./hasgot -i termios.h &&
sh ./hasgot tcgetattr tcsetattr tcsendbreak tcflush tcflow; then
inf "POSIX termios found."
echo "#define HAS_TERMIOS" >> s.h
fi
if sh ./runtest async_io.c; then
inf "Asynchronous I/O are supported."
echo "#define HAS_ASYNC_IO" >> s.h
fi
has_setitimer=no
if sh ./hasgot setitimer; then
inf "setitimer() found."
echo "#define HAS_SETITIMER" >> s.h
has_setitimer="yes"
fi
if sh ./hasgot gethostname; then
inf "gethostname() found."
echo "#define HAS_GETHOSTNAME" >> s.h
fi
if sh ./hasgot -i sys/utsname.h && sh ./hasgot uname; then
inf "uname() found."
echo "#define HAS_UNAME" >> s.h
fi
has_gettimeofday=no
if sh ./hasgot gettimeofday; then
inf "gettimeofday() found."
echo "#define HAS_GETTIMEOFDAY" >> s.h
has_gettimeofday="yes"
fi
if sh ./hasgot mktime; then
inf "mktime() found."
echo "#define HAS_MKTIME" >> s.h
fi
case "$target" in
*-*-cygwin*) ;; # setsid emulation under Cygwin breaks the debugger
*) if sh ./hasgot setsid; then
inf "setsid() found."
echo "#define HAS_SETSID" >> s.h
fi;;
esac
if sh ./hasgot putenv; then
inf "putenv() found."
echo "#define HAS_PUTENV" >> s.h
fi
if sh ./hasgot -i locale.h && sh ./hasgot newlocale freelocale uselocale; then
inf "newlocale() and <locale.h> found."
echo "#define HAS_LOCALE_H" >> s.h
fi
if sh ./hasgot -i xlocale.h && sh ./hasgot newlocale freelocale uselocale; then
inf "newlocale() and <xlocale.h> found."
echo "#define HAS_XLOCALE_H" >> s.h
fi
if sh ./hasgot strtod_l; then
inf "strtod_l() found."
echo "#define HAS_STRTOD_L" >> s.h
fi
if sh ./hasgot $dllib dlopen; then
inf "dlopen() found."
elif sh ./hasgot $dllib -ldl dlopen; then
inf "dlopen() found in -ldl."
dllib="$dllib -ldl"
else
case "$target" in
*-*-mingw*) ;;
*) shared_libraries_supported=false
esac
fi
if $shared_libraries_supported; then
inf "Dynamic loading of shared libraries is supported."
echo "#define SUPPORT_DYNAMIC_LINKING" >> s.h
if $dl_needs_underscore; then
echo '#define DL_NEEDS_UNDERSCORE' >>s.h
fi
fi
if sh ./hasgot -i sys/types.h -i sys/mman.h && sh ./hasgot mmap munmap; then
inf "mmap() found."
echo "#define HAS_MMAP" >> s.h
fi
if sh ./hasgot pwrite; then
inf "pwrite() found"
echo "#define HAS_PWRITE" >> s.h
fi
if sh ./trycompile -fdebug-prefix-map=old=new ansi.c; then
cc_has_debug_prefix_map=true
else
cc_has_debug_prefix_map=false
fi
nanosecond_stat=none
for i in 1 2 3; do
if sh ./trycompile -DHAS_NANOSECOND_STAT=$i nanosecond_stat.c; then
nanosecond_stat=$i; break
fi
done
if test $nanosecond_stat != "none"; then
inf "stat() supports nanosecond precision."
echo "#define HAS_NANOSECOND_STAT $nanosecond_stat" >> s.h
fi
nargs=none
for i in 5 6; do
if sh ./trycompile -DSYS_${system} -DNUM_ARGS=${i} gethostbyname.c; then
nargs=$i;
break;
fi
done
if test $nargs != "none"; then
inf "gethostbyname_r() found (with ${nargs} arguments)."
echo "#define HAS_GETHOSTBYNAME_R $nargs" >> s.h
fi
nargs=none
for i in 7 8; do
if sh ./trycompile -DSYS_${system} -DNUM_ARGS=${i} gethostbyaddr.c; then
nargs=$i;
break;
fi
done
if test $nargs != "none"; then
inf "gethostbyaddr_r() found (with ${nargs} arguments)."
echo "#define HAS_GETHOSTBYADDR_R $nargs" >> s.h
fi
if sh ./hasgot mkstemp; then
inf "mkstemp() found"
echo "#define HAS_MKSTEMP" >> s.h
fi
if sh ./hasgot nice; then
inf "nice() found"
echo "#define HAS_NICE" >> s.h
fi
if sh ./hasgot dup3; then
inf "dup3() found"
echo "#define HAS_DUP3" >> s.h
fi
if sh ./hasgot pipe2; then
inf "pipe2() found"
echo "#define HAS_PIPE2" >> s.h
fi
if sh ./hasgot accept4; then
inf "accept4() found"
echo "#define HAS_ACCEPT4" >> s.h
fi
if sh ./hasgot getauxval; then
inf "getauxval() found."
echo "#define HAS_GETAUXVAL" >> s.h
fi
if sh ./hasgot -i sys/shm.h; then
inf "sys/shm.h found."
echo "#define HAS_SYS_SHM_H" >> s.h
fi
if sh ./hasgot execvpe; then
inf "execvpe() found."
echo "#define HAS_EXECVPE" >> s.h
fi
# Determine if the debugger is supported
if test -n "$with_debugger"; then
if test "$has_sockets" = "yes"; then
inf "Replay debugger supported."
with_debugger="ocamldebugger"
else
inf "No replay debugger (missing system calls)"
with_debugger=""
fi
fi
# Determine if system stack overflows can be detected
case "$arch,$system" in
i386,linux_elf|amd64,linux|amd64,macosx|i386,macosx \
|amd64,openbsd|i386,bsd_elf)
inf "System stack overflow can be detected."
echo "#define HAS_STACK_OVERFLOW_DETECTION" >> s.h;;
*)
inf "Cannot detect system stack overflow.";;
esac
# Determine if the POSIX threads library is supported
systhread_support=false
if test "$pthread_wanted" = "yes"; then
case "$target" in
*-*-solaris*) pthread_link="-lpthread -lposix4"
pthread_caml_link="-cclib -lpthread -cclib -lposix4";;
*-*-dragon*) pthread_link="-pthread"
pthread_caml_link="-cclib -pthread";;
*-*-freebsd*) pthread_link="-pthread"
pthread_caml_link="-cclib -pthread";;
*-*-openbsd*) pthread_link="-pthread"
pthread_caml_link="-cclib -pthread";;
*-*-haiku*) pthread_link=""
pthread_caml_link="";;
*) pthread_link="-lpthread"
pthread_caml_link="-cclib -lpthread";;
esac
if sh ./hasgot -i pthread.h $pthread_link pthread_self; then
inf "POSIX threads library supported."
systhread_support=true
otherlibraries="$otherlibraries systhreads"
common_cppflags="$common_cppflags -D_REENTRANT"
case "$target" in
*-*-freebsd*|*-*-dragonfly*)
common_cppflags="$common_cppflags -D_THREAD_SAFE";;
*-*-openbsd*)
common_cflags="$common_cflags -pthread";
asppflags="$asppflags -pthread";;
esac
inf "Options for linking with POSIX threads: $pthread_link"
if sh ./hasgot $pthread_link sigwait; then
inf "sigwait() found"
echo "#define HAS_SIGWAIT" >> s.h
fi
else
inf "POSIX threads not found."
pthread_link=""
fi
else
pthread_link=""
fi
config PTHREAD_LINK "$pthread_link"
config PTHREAD_CAML_LINK "$pthread_caml_link"
# Determine if the bytecode thread library is supported
if test "$has_select" = "yes" \
&& test "$has_setitimer" = "yes" \
&& test "$has_gettimeofday" = "yes" \
&& test "$has_wait" = "yes"; then
inf "Bytecode threads library supported."
otherlibraries="$otherlibraries threads"
else
inf "Bytecode threads library not supported (missing system calls)"
fi
# Determine the location of X include files and libraries
# If the user specified -x11include and/or -x11lib, these settings
# are used. Otherwise, we check whether there is pkg-config, and take
# the flags from there. Otherwise, we search the location.
x11_include="not found"
x11_link="not found"
if test -z "$x11_include_dir" -a -z "$x11_lib_dir"; then
if pkg-config --exists x11 2>/dev/null; then
x11_include=`pkg-config --cflags x11`
x11_link=`pkg-config --libs x11`
fi
fi
if test "$x11_include" = "not found"; then
for dir in \
$x11_include_dir \
\
/usr/X11R7/include \
/usr/include/X11R7 \
/usr/local/X11R7/include \
/usr/local/include/X11R7 \
/opt/X11R7/include \
\
/usr/X11R6/include \
/usr/include/X11R6 \
/usr/local/X11R6/include \
/usr/local/include/X11R6 \
/opt/X11R6/include \
\
/usr/X11/include \
/usr/include/X11 \
/usr/local/X11/include \
/usr/local/include/X11 \
/opt/X11/include \
\
/usr/X11R5/include \
/usr/include/X11R5 \
/usr/local/X11R5/include \
/usr/local/include/X11R5 \
/usr/local/x11r5/include \
/opt/X11R5/include \
\
/usr/X11R4/include \
/usr/include/X11R4 \
/usr/local/X11R4/include \
/usr/local/include/X11R4 \
\
/usr/X386/include \
/usr/x386/include \
/usr/XFree86/include/X11 \
\
/usr/include \
/usr/local/include \
/usr/unsupported/include \
/usr/athena/include \
/usr/lpp/Xamples/include \
\
/usr/openwin/include \
/usr/openwin/share/include \
; \
do
if test -f $dir/X11/X.h; then
x11_include_dir=$dir
x11_include="-I$dir"
break
fi
done
if test "$x11_include" = "not found"; then
x11_try_lib_dir=''
else
x11_try_lib_dir=`echo $x11_include_dir | sed -e 's|include|lib|'`
fi
for dir in \
$x11_lib_dir \
$x11_try_lib_dir \
\
/usr/X11R6/lib64 \
/usr/X11R6/lib \
/usr/lib/X11R6 \
/usr/local/X11R6/lib \
/usr/local/lib/X11R6 \
/opt/X11R6/lib \
\
/usr/X11/lib \
/usr/lib/X11 \
/usr/local/X11/lib \
/usr/local/lib/X11 \
/opt/X11/lib \
\
/usr/X11R5/lib \
/usr/lib/X11R5 \
/usr/local/X11R5/lib \
/usr/local/lib/X11R5 \
/usr/local/x11r5/lib \
/opt/X11R5/lib \
\
/usr/X11R4/lib \
/usr/lib/X11R4 \
/usr/local/X11R4/lib \
/usr/local/lib/X11R4 \
\
/usr/X386/lib \
/usr/x386/lib \
/usr/XFree86/lib/X11 \
\
/usr/lib64 \
/usr/lib \
/usr/local/lib \
/usr/unsupported/lib \
/usr/athena/lib \
/usr/lpp/Xamples/lib \
/lib/usr/lib/X11 \
\
/usr/openwin/lib \
/usr/openwin/share/lib \
\
/usr/lib/i386-linux-gnu \
/usr/lib/x86_64-linux-gnu \
\
/usr/lib/`echo $target | sed -e "s/-[^-]*//"` \
; \
do
if test -f $dir/libX11.a || \
test -f $dir/libX11.so || \
test -f $dir/libX11.dll.a || \
test -f $dir/libX11.dylib || \
test -f $dir/libX11.sa; then
if test $dir = /usr/lib; then
x11_link="-lX11"
else
case "$target" in
*-*-freebsd*|*-*-dragonfly*) x11_link="-L$dir -lX11";;
*-kfreebsd*-gnu) x11_link="-L$dir -lX11";;
*-*-*bsd*) x11_link="-R$dir -L$dir -lX11";;
*) x11_link="-L$dir -lX11";;
esac
fi
break
fi
done
fi
if test "$x11_include" != "not found"; then
if test "$x11_include" = "-I/usr/include"; then
x11_include=""
fi
if sh ./hasgot $x11_include $x11_link -i X11/Xlib.h XrmInitialize; then
inf "X11 works"
else
wrn "Cannot compile X11 program."
x11_include="not found"
fi
fi
has_graph=false
if test "$x11_include" = "not found" || test "$x11_link" = "not found"
then
wrn 'X11 not found, the "graph" library will not be supported.'
x11_include="not found"
x11_link="not found"
else
inf "Options for compiling for X11: $x11_include"
inf "Options for linking with X11: $x11_link"
if test "$graph_wanted" = yes
then
has_graph=true
otherlibraries="$otherlibraries graph"
fi
fi
config X11_INCLUDES "$x11_include"
config X11_LINK "$x11_link"
# Look for BFD library
if $shared_libraries_supported && ./hasgot -DPACKAGE=ocaml -i bfd.h ; then
inf "BFD library found."
if sh ./hasgot -DPACKAGE=ocaml -lbfd bfd_openr; then
LIBBFD_LINK="-lbfd"
inf "BFD links with $LIBBFD_LINK"
echo "#define HAS_LIBBFD" >> s.h
elif sh ./hasgot -DPACKAGE=ocaml -lbfd -ldl bfd_openr; then
LIBBFD_LINK="-lbfd -ldl"
inf "BFD links with $LIBBFD_LINK"
echo "#define HAS_LIBBFD" >> s.h
elif sh ./hasgot -DPACKAGE=ocaml -lbfd -ldl -liberty bfd_openr; then
LIBBFD_LINK="-lbfd -ldl -liberty"
inf "BFD links with $LIBBFD_LINK"
echo "#define HAS_LIBBFD" >> s.h
elif sh ./hasgot -DPACKAGE=ocaml -lbfd -ldl -liberty -lz bfd_openr; then
LIBBFD_LINK="-lbfd -ldl -liberty -lz"
inf "BFD links with $LIBBFD_LINK"
echo "#define HAS_LIBBFD" >> s.h
else
wrn "Could not determine link options for the BFD library"
LIBBFD_LINK=
fi
config LIBBFD_LINK "$LIBBFD_LINK"
config LIBBFD_INCLUDE ""
elif sh ./hasgot -DPACKAGE=ocaml -I/opt/local/include -i bfd.h && \
sh ./hasgot -DPACKAGE=ocaml -L/opt/local/lib -lbfd -ldl \
-liberty -lz -lintl bfd_openr
then
# MacOSX with binutils from MacPorts
inf "BFD library found."
echo "#define HAS_LIBBFD" >> s.h
config LIBBFD_LINK "-L/opt/local/lib -lbfd -ldl -liberty -lz -lintl"
config LIBBFD_INCLUDE "-I/opt/local/include"
else
wrn "BFD library not found, 'objinfo' will be unable to display info" \
" on .cmxs files."
config LIBBFD_LINK ""
config LIBBFD_INCLUDE ""
fi
# Check whether assembler supports CFI directives
asm_cfi_supported=false
export as aspp
if $as --debug-prefix-map old=new simple.S 2> /dev/null; then
as_has_debug_prefix_map=true
else
as_has_debug_prefix_map=false
fi
if ! $with_cfi; then
echo "CFI support: disabled by command-line option -no-cfi"
elif sh ./tryassemble cfi.S; then
echo "#define ASM_CFI_SUPPORTED" >> m.h
asm_cfi_supported=true
inf "Assembler supports CFI"
else
inf "Assembler does not support CFI"
fi
if test "$with_frame_pointers" = "true"; then
case "$target,$cc" in
x86_64-*-linux*,gcc*|x86_64-*-linux*,clang*)
common_cflags="$common_cflags -g -fno-omit-frame-pointer"
echo "#define WITH_FRAME_POINTERS" >> m.h
;;
*) err "Unsupported architecture with frame pointers";;
esac
fi
if $no_naked_pointers; then
echo "#define NO_NAKED_POINTERS" >> m.h
fi
# Check for mmap support for huge pages and contiguous heap
if sh ./runtest mmap-huge.c; then
has_huge_pages=true
echo "#define HAS_HUGE_PAGES" >>s.h
echo "#define HUGE_PAGE_SIZE (4 * 1024 * 1024)" >>s.h
inf "mmap supports huge pages"
else
has_huge_pages=false
fi
# Spacetime profiling, including libunwind detection
# The number of bits used for profiling information is configurable here.
# The more bits used for profiling, the smaller will be Max_wosize.
# Note that PROFINFO_WIDTH must still be defined even if not configuring
# for Spacetime (see comment in runtime/caml/mlvalues.h on [Profinfo_hd]).
echo "#define PROFINFO_WIDTH $profinfo_width" >> m.h
if $with_profinfo; then
echo "#define WITH_PROFINFO" >> m.h
fi
if $with_spacetime; then
case "$arch,$system" in
amd64,*)
spacetime_supported=true
;;
*)
spacetime_supported=false
;;
esac
libunwind_warning=false
if $spacetime_supported; then
echo "Spacetime profiling will be available."
echo "#define WITH_SPACETIME" >> m.h
if $enable_call_counts; then
echo "#define ENABLE_CALL_COUNTS" >> m.h
fi
if $disable_libunwind; then
has_libunwind=no
libunwind_available=false
echo "libunwind support for Spacetime profiling was explicitly disabled."
else
# On Mac OS X, we always use the system libunwind.
if test "$libunwind_lib_dir" != ""; then
case "$arch,$system" in
amd64,macosx)
inf "[WARNING] -libunwind* options are ignored on Mac OS X"
libunwind_warning=true
libunwind_lib="-framework System"
libunwind_lib_temp="$libunwind_lib"
# We need unwinding information at runtime, but since we use
# -no_compact_unwind, we also need -keep_dwarf_unwind otherwise
# the OS X linker will chuck away the DWARF-like (.eh_frame)
# information. (Older versions of OS X don't provide this.)
mkexe="$mkexe -Wl,-keep_dwarf_unwind"
mksharedlib="$mksharedlib -Wl,-keep_dwarf_unwind"
;;
*)
libunwind_lib="-L$libunwind_lib_dir -lunwind -lunwind-x86_64"
libunwind_lib_temp="-Xl $libunwind_lib"
;;
esac
else
case "$arch,$system" in
amd64,macosx)
libunwind_lib="-framework System"
libunwind_lib_temp="$libunwind_lib"
mkexe="$mkexe -Wl,-keep_dwarf_unwind"
mksharedlib="$mksharedlib -Wl,-keep_dwarf_unwind"
;;
*)
libunwind_lib="-lunwind -lunwind-x86_64"
libunwind_lib_temp="$libunwind_lib"
;;
esac
fi
if test "$libunwind_include_dir" != ""; then
case "$arch,$system" in
amd64,macosx)
if ! $libunwind_warning; then
inf "[WARNING] -libunwind* options are ignored on Mac OS X"
fi
libunwind_include=""
;;
*)
libunwind_include="-I$libunwind_include_dir"
;;
esac
else
libunwind_include=""
fi
if sh ./hasgot -i libunwind.h $libunwind_lib_temp $libunwind_include; \
then
echo "#define HAS_LIBUNWIND" >> s.h
has_libunwind=yes
libunwind_available=true
echo "libunwind support for Spacetime profiling will be available."
else
has_libunwind=no
libunwind_available=false
echo "libunwind support for Spacetime profiling will not be available."
fi
fi
else
echo "Spacetime profiling unavailable: it needs a 64-bit platform with"
echo " support for the native code OCaml compiler."
with_spacetime=false
libunwind_available=false
has_libunwind=no
fi
fi
if $with_fpic; then
common_cflags="$common_cflags $sharedlib_cflags"
aspp="$aspp $sharedlib_cflags"
fi
if $with_fpic; then
echo "#define CAML_WITH_FPIC" >> m.h
fi
if $force_safe_string; then
echo "#define CAML_SAFE_STRING" >> m.h
fi
if $flat_float_array; then
echo "#define FLAT_FLOAT_ARRAY" >> m.h
fi
config INSTALL_BYTECODE_PROGRAMS "$install_bytecode_programs"
config INSTALL_SOURCE_ARTIFACTS "$install_source_artifacts"
# Finish generated files
cclibs="$cclibs $mathlib"
config CC "$cc"
config CPP "$cpp"
config OC_CFLAGS "$common_cflags $internal_cflags"
config OC_CPPFLAGS "$common_cppflags $internal_cppflags"
config OCAMLC_CFLAGS "$common_cflags $sharedlib_cflags"
config OCAMLC_CPPFLAGS "$common_cppflags"
config OC_LDFLAGS "$ldflags"
config BYTECCLIBS "$cclibs $dllib $pthread_link $instrumented_runtime_libs"
config RPATH "$rpath"
config EXE "$exe"
config EMPTY ""
config OUTPUTEXE "-o \$(EMPTY)"
config SUPPORTS_SHARED_LIBRARIES "$shared_libraries_supported"
config SHAREDLIB_CFLAGS "$sharedlib_cflags"
config MKSHAREDLIBRPATH "$mksharedlibrpath"
config NATDYNLINKOPTS "$natdynlinkopts"
cat >> ${conffile} <<EOF
SYSLIB=-l\$(1)
#ml let syslib x = "-l"^x;;
### How to build a static library
MKLIB=rm -f \$(1) && ${TOOLPREF}ar rc \$(1) \$(2) && ${TOOLPREF}ranlib \$(1)
#ml let mklib out files opts = (* "" *)
#ml Printf.sprintf "${TOOLPREF}ar rc %s %s %s && ${TOOLPREF}ranlib %s"
#ml out opts files out;;
EOF
config ARCH "$arch"
config MODEL "$model"
config SYSTEM "$system"
config OCAMLOPT_CFLAGS "$common_cflags"
config OCAMLOPT_CPPFLAGS "$common_cppflags"
config NATIVECCLIBS "$cclibs $dllib"
config ASM "$as"
config ASPP "$aspp"
config ASPPPROFFLAGS "$asppprofflags"
config PROFILING "$profiling"
config DYNLINKOPTS "$dllib"
config OTHERLIBRARIES "$otherlibraries"
config CC_PROFILE "$cc_profile"
config SYSTHREAD_SUPPORT "$systhread_support"
config PACKLD "$partialld -o\\ \$(EMPTY)"
config IFLEXDIR "$iflexdir"
config O "o"
config A "a"
config SO "$SO"
config EXT_OBJ ".o"
config OUTPUTOBJ "-o \$(EMPTY)"
config EXT_ASM ".s"
config EXT_LIB ".a"
config EXT_DLL ".$SO"
config EXTRALIBS ""
config CCOMPTYPE "cc"
config TOOLCHAIN "$TOOLCHAIN"
config NATDYNLINK "$natdynlink"
config CMXS "$cmxs"
config MKEXE "$mkexe"
config MKEXEDEBUGFLAG "$mkexedebugflag"
config MKDLL "$mksharedlib"
config MKMAINDLL "$mkmaindll"
config RUNTIMED "${debugruntime}"
config RUNTIMEI "${with_instrumented_runtime}"
config WITH_DEBUGGER "${with_debugger}"
config WITH_OCAMLDOC "${with_ocamldoc}"
config ASM_CFI_SUPPORTED "$asm_cfi_supported"
config WITH_FRAME_POINTERS "$with_frame_pointers"
config WITH_SPACETIME "$with_spacetime"
config ENABLE_CALL_COUNTS "$enable_call_counts"
config WITH_PROFINFO "$with_profinfo"
config LIBUNWIND_AVAILABLE "$libunwind_available"
config LIBUNWIND_INCLUDE_FLAGS "$libunwind_include"
config LIBUNWIND_LINK_FLAGS "$libunwind_lib"
config PROFINFO_WIDTH "$profinfo_width"
config WITH_FPIC "$with_fpic"
config TARGET "$target"
config HOST "$host"
if [ "$ostype" = Cygwin ]; then
config DIFF "diff -q --strip-trailing-cr"
fi
config FLAMBDA "$flambda"
config WITH_FLAMBDA_INVARIANTS "$with_flambda_invariants"
config FORCE_SAFE_STRING "$force_safe_string"
config DEFAULT_SAFE_STRING "$default_safe_string"
config WINDOWS_UNICODE "0"
config AFL_INSTRUMENT "$afl_instrument"
config MAX_TESTSUITE_DIR_RETRIES "$max_testsuite_dir_retries"
config FLAT_FLOAT_ARRAY "$flat_float_array"
config AWK "awk"
config CC_HAS_DEBUG_PREFIX_MAP "$cc_has_debug_prefix_map"
config AS_HAS_DEBUG_PREFIX_MAP "$as_has_debug_prefix_map"
rm -f tst hasgot.c
rm -f ../../runtime/caml/m.h ../../runtime/caml/s.h ../${conffile}
mv m.h s.h ../../runtime/caml/
mv ${conffile} ../..
# Print a summary
inf
inf "** Configuration summary **"
inf
inf "Directories where OCaml will be installed:"
inf " binaries.................. $bindir"
inf " standard library.......... $libdir"
inf " manual pages.............. $mandir (with extension" \
".$programs_man_section)"
inf "Configuration for the bytecode compiler:"
inf " C compiler used........... $cc"
inf " options for compiling..... $common_cflags"
inf " options for linking....... $ldflags $cclibs $dllib $pthread_link"
if $shared_libraries_supported; then
inf " shared libraries are supported"
inf " options for compiling..... $sharedlib_cflags $common_cflags"
inf " command for building...... $mksharedlib -o lib.so" \
"$mksharedlibrpath/a/path objs"
else
inf " shared libraries not supported"
fi
inf "Configuration for the native-code compiler:"
if test "$arch" = "none"; then
inf " (not supported on this platform)"
else
if test "$model" = "default"; then
inf " hardware architecture..... $arch"
else
inf " hardware architecture..... $arch ($model)"
fi
if test "$system" = "unknown"; then : ; else
inf " OS variant................ $system"
fi
inf " C compiler used........... $cc"
inf " options for compiling..... $common_cflags"
inf " options for linking....... $cclibs"
inf " assembler ................ $as"
inf " preprocessed assembler ... $aspp"
if test "$asm_cfi_supported" = "true"; then
inf " assembler supports CFI ... yes"
else
inf " assembler supports CFI ... no"
fi
if test "$with_frame_pointers" = "true"; then
inf " with frame pointers....... yes"
else
inf " with frame pointers....... no"
fi
if $no_naked_pointers; then
inf " naked pointers forbidden.. yes"
else
inf " naked pointers forbidden.. no"
fi
if $with_spacetime; then
inf " spacetime profiling....... yes"
if test "$enable_call_counts" = "true"; then
inf " ... with call counts.... yes"
else
inf " ... with call counts.... no"
fi
inf " ... with libunwind...... $has_libunwind"
else
inf " spacetime profiling....... no"
fi
if $with_profinfo; then
inf " reserved bits in header... $profinfo_width"
else
inf " reserved bits in header... no"
fi
case "$arch,$system" in
amd64,macosx)
;;
amd64,*)
if test "$has_libunwind" = "yes"; then
if test "$libunwind_include_dir" != ""; then
inf " libunwind include dir..... $libunwind_include_dir"
fi
if test "$libunwind_lib_dir" != ""; then
inf " libunwind library dir..... $libunwind_lib_dir"
fi
fi
;;
*)
;;
esac
if $with_fpic; then
inf " compile with -fPIC........ yes"
else
inf " compile with -fPIC........ no"
fi
inf " native dynlink ........... $natdynlink"
if $profiling; then
inf " profiling with gprof ..... supported"
else
inf " profiling with gprof ..... not supported"
fi
if test "$flambda" = "true"; then
inf " using flambda middle-end . yes"
if test "$with_flambda_invariants" = "true"; then
inf " ... with flambda invariants checks . yes"
else
inf " ... with flambda invariants checks . no"
fi
else
inf " using flambda middle-end . no"
fi
if $force_safe_string; then
inf " force safe strings ............. yes"
else
inf " force safe strings ............. no"
if $default_safe_string; then
inf " (-safe-string is the default per-file option)"
else
inf " (-unsafe-string is the default per-file option)"
fi
fi
if $flat_float_array; then
inf " flat float arrays ........ yes"
else
inf " flat float arrays ........ no"
fi
if test "$afl_instrument" = "true"; then
inf " afl-fuzz always enabled .. yes"
else
inf " afl-fuzz always enabled .. no"
fi
fi
if test "$with_debugger" = "ocamldebugger"; then
inf "Source-level replay debugger: supported"
else
inf "Source-level replay debugger: not supported"
fi
if $debugruntime; then
inf "Debug runtime will be compiled and installed"
fi
if $with_instrumented_runtime; then
inf "Instrumented runtime will be compiled and installed"
fi
if ! $install_bytecode_programs; then
inf "Bytecode programs will not be installed"
fi
if ! $install_source_artifacts; then
inf ".cmt, .cmti, .ml and .mli files will not be installed"
fi
inf "Additional libraries supported:"
inf " $otherlibraries"
if $has_graph; then
inf "Configuration for the \"graph\" library:"
inf " options for compiling .... $x11_include"
inf " options for linking ...... $x11_link"
else
inf "The \"graph\" library: not supported"
fi
inf
inf "** OCaml configuration completed successfully **"
inf
if test ! -z "$MACOSX_DEPLOYMENT_TARGET"; then
wrn "The environment variable MACOSX_DEPLOYMENT_TARGET is set.\n" \
"This will probably prevent compiling the OCaml system."
fi
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