ncurses 6.2 - patch 20201121

[ncurses.git] / test / aclocal.m4

diff --git a/test/aclocal.m4 b/test/aclocal.m4
index 1d2d925bc6df4a71b8377f56d9b7ac078c294f30..5219775413ef48488ecec70ade66f8633f516149 100644 (file)
--- a/test/aclocal.m4
+++ b/test/aclocal.m4
@@ -27,7 +27,7 @@ dnl sale, use or other dealings in this Software without prior written       *
 dnl authorization.                                                           *
 dnl***************************************************************************
 dnl
-dnl $Id: aclocal.m4,v 1.185 2020/11/14 15:26:19 tom Exp $
+dnl $Id: aclocal.m4,v 1.186 2020/11/20 23:52:27 tom Exp $
 dnl
 dnl Author: Thomas E. Dickey
 dnl
@@ -568,7 +568,7 @@ if test "$cf_have_curses_lib" = no; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CLANG_COMPILER version: 4 updated: 2020/10/31 15:46:50
+dnl CF_CLANG_COMPILER version: 5 updated: 2020/11/20 18:52:27
 dnl -----------------
 dnl Check if the given compiler is really clang.  clang's C driver defines
 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
@@ -604,12 +604,15 @@ if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
                -Wno-error=implicit-function-declaration
        do
                AC_MSG_CHECKING(if option $cf_clang_opt works)
+               cf_save_CFLAGS="$CFLAGS"
+               CFLAGS="$CFLAGS $cf_clang_opt"
                AC_TRY_LINK([
                        #include <stdio.h>],[
                        printf("hello!\n");],[
                        cf_clang_optok=yes],[
                        cf_clang_optok=no])
                AC_MSG_RESULT($cf_clang_optok)
+               CFLAGS="$cf_save_CFLAGS"
                if test $cf_clang_optok = yes; then
                        CF_VERBOSE(adding option $cf_clang_opt)
                        CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)