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build: Enable POSIX.1-2008 functionality.

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For strnlen().
This commit is contained in:
Józef Kucia 2017-06-16 22:38:21 +02:00
parent fe13e35f72
commit ad465999ad
1 changed files with 11 additions and 0 deletions
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11
configure.ac
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@ -40,6 +40,17 @@ AS_IF([test "x${GCC}" = "xyes"],
VKD3D_CHECK_CFLAGS([-Wvla])
VKD3D_CHECK_CFLAGS([-Wl,--no-undefined])])
AC_EGREP_CPP(yes,
[#define _POSIX_C_SOURCE 200809L
#include <unistd.h>
#ifdef _POSIX_VERSION
#if _POSIX_VERSION == 200809L
yes
#endif
#endif],
[AC_DEFINE([_POSIX_C_SOURCE], [200809L], [Define the POSIX version.])],
[])
dnl Check for cross compilers
VKD3D_CHECK_MINGW32_PROG([CROSSCC32], [CROSSTARGET32], [no])
VKD3D_CHECK_MINGW64_PROG([CROSSCC64], [CROSSTARGET64], [no])