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configure.ac: use standard macro to set compiler C99 mode

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v2: s/libdrm/libglvnd/ (Kyle)
v3: fix grammar in error message (Arthur Huillet)

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
This commit is contained in:
Emil Velikov 2016-01-20 12:17:25 +02:00 committed by Emil Velikov
parent 9746e800cd
commit 3866ac6b84
1 changed files with 6 additions and 1 deletions
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7
configure.ac
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@ -23,6 +23,7 @@ AC_PROG_AWK
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CC_C99
AM_PROG_AS
AC_PROG_INSTALL
AC_PROG_LN_S
@ -31,6 +32,10 @@ AC_PROG_LIBTOOL
AC_CHECK_PROGS([PYTHON2], [python2.7 python2 python])
AC_CHECK_PROGS([PERL], [perl])
if test "x$ac_cv_prog_cc_c99" = xno; then
AC_MSG_ERROR([Building libglvnd requires a C99-enabled compiler])
fi
dnl
dnl Auxiliary ELF symbol filtering support
dnl
@ -272,7 +277,7 @@ AX_CHECK_LINK_FLAG([-Xlinker --no-undefined],
[AC_SUBST([LINKER_FLAG_NO_UNDEFINED], [""])])
dnl default CFLAGS
CFLAGS="$CFLAGS -Wall -Werror -std=gnu99 -include config.h -fvisibility=hidden $DEFINES"
CFLAGS="$CFLAGS -Wall -Werror -include config.h -fvisibility=hidden $DEFINES"
AC_CONFIG_FILES([Makefile
libglvnd.pc