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Don't bother checking for std::aligned_alloc

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This commit is contained in:
Chris Robinson 2021-01-22 08:53:44 -08:00
parent 1dcc6361fe
commit f576a35363
3 changed files with 2 additions and 25 deletions
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17
CMakeLists.txt
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@ -153,19 +153,9 @@ set(EXPORT_DECL "")
# Require C++14
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
if(CMAKE_CXX14_EXTENSION_COMPILE_OPTION)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX14_EXTENSION_COMPILE_OPTION}")
elseif(CMAKE_CXX14_STANDARD_COMPILE_OPTION)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX14_STANDARD_COMPILE_OPTION}")
endif()
# Prefer C11, but support C99 and C90 too.
set(CMAKE_C_STANDARD 11)
if(CMAKE_C11_EXTENSION_COMPILE_OPTION)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_C11_EXTENSION_COMPILE_OPTION}")
elseif(CMAKE_C11_STANDARD_COMPILE_OPTION)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_C11_STANDARD_COMPILE_OPTION}")
endif()
if(NOT WIN32)
# Check if _POSIX_C_SOURCE and _XOPEN_SOURCE needs to be set for POSIX functions
@ -534,13 +524,6 @@ if(HAVE_INTRIN_H)
}" HAVE_CPUID_INTRINSIC)
endif()
check_cxx_source_compiles("#include <cstdlib>
int main()
{
void *ptr{std::aligned_alloc(alignof(int), sizeof(int))};
std::free(ptr);
return 0;
}" HAVE_STD_ALIGNED_ALLOC)
check_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
check_symbol_exists(_aligned_malloc malloc.h HAVE__ALIGNED_MALLOC)
check_symbol_exists(proc_pidpath libproc.h HAVE_PROC_PIDPATH)

7
common/almalloc.cpp
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@ -18,10 +18,7 @@ void *al_malloc(size_t alignment, size_t size)
assert((alignment & (alignment-1)) == 0);
alignment = std::max(alignment, alignof(std::max_align_t));
#if defined(HAVE_STD_ALIGNED_ALLOC)
size = (size+(alignment-1))&~(alignment-1);
return std::aligned_alloc(alignment, size);
#elif defined(HAVE_POSIX_MEMALIGN)
#if defined(HAVE_POSIX_MEMALIGN)
void *ret{};
if(posix_memalign(&ret, alignment, size) == 0)
return ret;
@ -53,7 +50,7 @@ void *al_calloc(size_t alignment, size_t size)
void al_free(void *ptr) noexcept
{
#if defined(HAVE_STD_ALIGNED_ALLOC) || defined(HAVE_POSIX_MEMALIGN)
#if defined(HAVE_POSIX_MEMALIGN)
std::free(ptr);
#elif defined(HAVE__ALIGNED_MALLOC)
_aligned_free(ptr);

3
config.h.in
View File

@ -5,9 +5,6 @@
/* Define if HRTF data is embedded in the library */
#cmakedefine ALSOFT_EMBED_HRTF_DATA
/* Define if we have the std::aligned_alloc function */
#cmakedefine HAVE_STD_ALIGNED_ALLOC
/* Define if we have the posix_memalign function */
#cmakedefine HAVE_POSIX_MEMALIGN