X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Faclocal.m4;h=affadafcde276340bc490cffae07efbaf7bf8465;hp=5219775413ef48488ecec70ade66f8633f516149;hb=31dcb6fc49a6814a67cdc21db26390752e743d7f;hpb=07694efddddede22a2b43d09656e988bd0d962a9

diff --git a/test/aclocal.m4 b/test/aclocal.m4
index 52197754..affadafc 100644
--- 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 1.186 2020/11/20 23:52:27 tom Exp $
+dnl $Id: aclocal.m4,v 1.187 2020/11/26 22:37:55 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: 5 updated: 2020/11/20 18:52:27
+dnl CF_CLANG_COMPILER version: 6 updated: 2020/11/26 17:37:55
 dnl -----------------
 dnl Check if the given compiler is really clang.  clang's C driver defines
 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
@@ -598,7 +598,22 @@ make an error
 	AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 fi
 
+CLANG_VERSION=none
+
 if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
+	case "$CC" in
+	(c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]])
+		AC_MSG_WARN(replacing broken compiler alias $CC)
+		CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
+		CC=clang
+		;;
+	esac
+
+	AC_MSG_CHECKING(version of $CC)
+	CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+	test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
+	AC_MSG_RESULT($CLANG_VERSION)
+
 	for cf_clang_opt in \
 		-Qunused-arguments \
 		-Wno-error=implicit-function-declaration