Allow CC to be overridden.

CHANGES

@@ -743,6 +743,13 @@
   *) Change 'Configure' script to enable Camellia by default.
      [NTT]
 
+ 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]
 
   *) Properly check EVP_VerifyFinal() and similar return values

Configure

@@ -1029,6 +1029,10 @@ print "IsMK1MF=$IsMK1MF\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];

config

@@ -407,11 +407,8 @@ 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 $GCCVER | LC_ALL=C sed 's/^[a-zA-Z]*\-//'`
@@ -420,8 +417,17 @@ if [ "$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