From 5d28b888b9f1d681723126f9dc834c793335dc57 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 4 Dec 2007 22:54:47 +0000
Subject: Add --with-llvmgcc= and --with-llvmgxx= configure options.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44586 91177308-0d34-0410-b5e6-96231b3b80d8
---
 autoconf/configure.ac | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

(limited to 'autoconf')

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 713d278a7f..aa98000417 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -421,6 +421,28 @@ case "$withval" in
   *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
 esac
 
+dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
+AC_ARG_WITH(llvmgcc,
+  AS_HELP_STRING([--with-llvmgcc],
+    [Specify location of llvm-gcc driver (default searches PATH)]),
+    LLVMGCC=$with_llvmgcc
+      WITH_LLVMGCCDIR="",)
+
+dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
+AC_ARG_WITH(llvmgxx,
+  AS_HELP_STRING([--with-llvmgxx],
+    [Specify location of llvm-g++ driver (default searches PATH)]),
+    LLVMGXX=$with_llvmgxx
+    WITH_LLVMGCCDIR="",)
+
+if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
+   AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
+fi
+
+if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
+   AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
+fi
+
 dnl Specify extra build options
 AC_ARG_WITH(extra-options,
   AS_HELP_STRING([--with-extra-options],
@@ -589,8 +611,12 @@ if test "$WITH_LLVMGCCDIR" = "default" ; then
   AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
   AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
 else
-  LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
-  LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
+  if test -z "$LLVMGCC"; then
+    LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
+  fi
+  if test -z "$LLVMGXX"; then
+    LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
+  fi
   AC_SUBST(LLVMGCC,$LLVMGCC)
   AC_SUBST(LLVMGXX,$LLVMGXX)
 fi
-- 
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