From 149e6b0ae8406671db0e5794cc703c7aed9eee13 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Tue, 16 Jan 1996 21:39:04 +0000
Subject: [PATCH] (AC_PROG_CC): If gcc not found use AC_CHECK_PROG for cc,
 rejecting /usr/ucb/cc. Fatal configure error if no $CC found at all.

---
 acspecific.m4            | 6 +++++-
 lib/autoconf/specific.m4 | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/acspecific.m4 b/acspecific.m4
index 7b2e2cc8..6f29ee70 100644
--- a/acspecific.m4
+++ b/acspecific.m4
@@ -71,7 +71,11 @@ fi
 
 AC_DEFUN(AC_PROG_CC,
 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
-AC_CHECK_PROG(CC, gcc, gcc, cc)
+AC_CHECK_PROG(CC, gcc, gcc)
+if test -z "$CC"; then
+  AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
+  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
+fi
 
 AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc,
 [dnl The semicolon is to pacify NeXT's syntax-checking cpp.
diff --git a/lib/autoconf/specific.m4 b/lib/autoconf/specific.m4
index 7b2e2cc8..6f29ee70 100644
--- a/lib/autoconf/specific.m4
+++ b/lib/autoconf/specific.m4
@@ -71,7 +71,11 @@ fi
 
 AC_DEFUN(AC_PROG_CC,
 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
-AC_CHECK_PROG(CC, gcc, gcc, cc)
+AC_CHECK_PROG(CC, gcc, gcc)
+if test -z "$CC"; then
+  AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
+  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
+fi
 
 AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc,
 [dnl The semicolon is to pacify NeXT's syntax-checking cpp.