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Add an autoconf feature test for format_arg and a jemalloc-specific

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macro for it.
This commit is contained in:
zoulasc
2019-03-15 20:19:16 -04:00
committed by Qi Wang
parent 14e4176758
commit 7f7935cf78
4 changed files with 22 additions and 1 deletions
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12
configure.ac
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@@ -851,6 +851,18 @@ if test "x${je_cv_format_printf}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_PRINTF], [ ])
fi
dnl Check for format_arg(...) attribute support.
JE_CFLAGS_SAVE()
JE_CFLAGS_ADD([-Werror])
JE_CFLAGS_ADD([-herror_on_warning])
JE_COMPILABLE([format(printf, ...) attribute], [#include <stdlib.h>],
[const char * __attribute__((__format_arg__(1))) foo(const char *format);],
[je_cv_format_arg])
JE_CFLAGS_RESTORE()
if test "x${je_cv_format_arg}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_ARG], [ ])
fi
dnl Support optional additions to rpath.
AC_ARG_WITH([rpath],
[AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])],