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Fix for hardcoding CFLAGS and broken test for mkdir
https://bugs.gentoo.org/898992
--- a/configure.ac
+++ b/configure.ac
@@ -20,10 +20,6 @@
AC_PROG_RANLIB
AM_PROG_CC_C_O
-dnl various CFLAGS
-CFLAGS="$CFLAGS -Wall -std=gnu89"
-CFLAGS="$CFLAGS -O0 -g"
-
dnl Checks for libraries.
AC_CHECK_LIB(m, main,, AC_MSG_ERROR(maths library is needed))
dnl AC_CHECK_LIB(dl, main,, AC_CHECK_LIB(c, dlopen,, AC_MSG_ERROR(dl library is needed)))
@@ -35,7 +31,7 @@
dnl check for mkdir accepting permissions
AC_MSG_CHECKING(if mkdir rejects permissions)
ac_mkdir_perm_broken=yes
-AC_TRY_COMPILE([#include <unistd.h>], [mkdir("test", 0777)], [ac_mkdir_perm_broken=no])
+AC_TRY_COMPILE([#include <sys/stat.h>], [mkdir("test", 0777)], [ac_mkdir_perm_broken=no])
if test x$ac_mkdir_perm_broken = xyes ; then
AC_DEFINE_UNQUOTED(HAVE_BROKEN_MKDIR, 1, [Defined if mkdir rejects a second permissions parameter.])
fi
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