From dc0cb7e74f8e35e85cef06c5defc70a36f812689 Mon Sep 17 00:00:00 2001
From: Ben Laurie <ben@openssl.org>
Date: Sat, 17 Jan 2009 14:36:17 +0000
Subject: [PATCH] Make it possible to override CC.

---
 CHANGES   |  5 ++++-
 Configure |  4 ++++
 config    | 16 +++++++++++-----
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/CHANGES b/CHANGES
index 4ca3eed8eb..dfcb97f81e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,7 +4,10 @@
 
  Changes between 0.9.8j and 0.9.8k  [xx XXX xxxx]
 
-  *)
+  *) Allow CC in the environment to override the automatically chosen
+     compiler. Note that nothing is done to ensure flags work with the
+     chosen compiler.
+     [Ben Laurie]
 
  Changes between 0.9.8i and 0.9.8j  [07 Jan 2009]
 
diff --git a/Configure b/Configure
index 09b58f2113..d80c999f3b 100755
--- a/Configure
+++ b/Configure
@@ -948,6 +948,10 @@ print "Configuring for $target\n";
 
 my @fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
 my $cc = $fields[$idx_cc];
+# Allow environment CC to override compiler...
+if($ENV{CC}) {
+    $cc = $ENV{CC};
+}
 my $cflags = $fields[$idx_cflags];
 my $unistd = $fields[$idx_unistd];
 my $thread_cflag = $fields[$idx_thread_cflag];
diff --git a/config b/config
index dde9275b76..2455a6f40d 100755
--- a/config
+++ b/config
@@ -399,11 +399,8 @@ exit 0
 # this is where the translation occurs into SSLeay terms
 # ---------------------------------------------------------------------------
 
-# figure out if gcc is available and if so we use it otherwise
-# we fallback to whatever cc does on the system
 GCCVER=`(gcc -dumpversion) 2>/dev/null`
 if [ "$GCCVER" != "" ]; then
-  CC=gcc
   # then strip off whatever prefix egcs prepends the number with...
   # Hopefully, this will work for any future prefixes as well.
   GCCVER=`echo $GCCVER | LC_ALL=C sed 's/^[a-zA-Z]*\-//'`
@@ -412,8 +409,17 @@ if [ "$GCCVER" != "" ]; then
   # major and minor version numbers.
   # peak single digit before and after first dot, e.g. 2.95.1 gives 29
   GCCVER=`echo $GCCVER | sed 's/\([0-9]\)\.\([0-9]\).*/\1\2/'`
-else
-  CC=cc
+fi
+
+# Only set CC if not supplied already
+if [ -z "$CC" ]; then
+# figure out if gcc is available and if so we use it otherwise
+# we fallback to whatever cc does on the system
+  if [ "$GCCVER" != "" ]; then
+    CC=gcc
+  else
+    CC=cc
+  fi
 fi
 GCCVER=${GCCVER:-0}
 if [ "$SYSTEM" = "HP-UX" ];then
-- 
2.25.1