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Remove AC_FUNC_VPRINTF 

Autoconf 2.59d (released in 2006) [1] started promoting several macros
as not relevant for newer systems anymore, including the `AC_FUNC_VPRINTF`.

This macro checks for presence of the C `vprint` function otherwise
checks for the presence of the `_doprnt` function. This check was
relevant on very old systems and today can be omitted since it should
be well supported by now. [2]

Also libgd doesn't use the `HAVE_VPRINTF` or `HAVE_DOPRNT` symbols.

Refs:
[1] http://git.savannah.gnu.org/cgit/autoconf.git/tree/NEWS
[2] https://www.gnu.org/software/autoconf/manual/autoconf-2.69/autoconf.html
master
Peter Kokot 2018-09-06 18:04:56 +02:00 committed by Mike Frysinger
parent 2dc58f6d0a
commit f0a455ff41
1 changed files with 0 additions and 1 deletions
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configure.ac
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@ -90,7 +90,6 @@ AC_CHECK_HEADERS(iconv.h,
#AC_FUNC_ERROR_AT_LINE
#AC_FUNC_MALLOC
#AC_FUNC_REALLOC
#AC_FUNC_VPRINTF
#AC_CHECK_FUNCS([floor memset sqrt strchr strdup strtol])
dnl do we need to specify -lm explicitly?