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diff --git a/configure.in b/configure.in
index eb71bdf0b0...342baf10c5 100644
--- a/configure.in
+++ b/configure.in
@@ -102,16 +102,16 @@
AC_C_CONST
AC_TYPE_INTPTR_T
-AX_CFLAGS_GCC_OPTION(-Wall)
-AX_CFLAGS_GCC_OPTION(-Wextra)
+AX_CHECK_COMPILE_FLAG(-Wall)
+AX_CHECK_COMPILE_FLAG(-Wextra)
dnl Overly-enthusiastic warning suppression.
save_CFLAGS="$CFLAGS"
-AX_CFLAGS_GCC_OPTION([-Wgnu-zero-variadic-macro-arguments], ,
+AX_CHECK_COMPILE_FLAG([-Wgnu-zero-variadic-macro-arguments],
AC_DEFINE([HAVE_VARIADIC_MACRO_WARNING], 1,
[Define if compiler recognises warning option]))
-AX_CFLAGS_GCC_OPTION([-Werror=unknown-warning-option])
-AX_CFLAGS_GCC_OPTION([-Wformat-truncation], ,
+AX_CHECK_COMPILE_FLAG([-Werror=unknown-warning-option])
+AX_CHECK_COMPILE_FLAG([-Wformat-truncation],
AC_DEFINE([HAVE_FORMAT_TRUNCATION_WARNING], 1,
[Define if compiler recognises warning option]))
CFLAGS="$save_CFLAGS"
@@ -242,13 +242,13 @@
else
if test "x$enable_debug" = "xgdb"
then
- AX_CFLAGS_GCC_OPTION([-ggdb])
- AX_CFLAGS_GCC_OPTION([-O0])
+ AX_CHECK_COMPILE_FLAG([-ggdb])
+ AX_CHECK_COMPILE_FLAG([-O0])
COMPILE_DEBUG='gdb'
fi
if test "x$ac_cv_cflags_gcc_option__ggdb" = "x"
then
- AX_CFLAGS_GCC_OPTION([-g])
+ AX_CHECK_COMPILE_FLAG([-g])
COMPILE_DEBUG='yes'
fi
EXTRA_OBJS="$EXTRA_OBJS null_out.o md5.o"
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