[llvm-commits] [llvm-gcc-4.2] r68658 - /llvm-gcc-4.2/trunk/GNUmakefile

[Bob Wilson]

Author: bwilson
Date: Wed Apr  8 18:46:12 2009
New Revision: 68658

URL: http://llvm.org/viewvc/llvm-project?rev=68658&view=rev
Log:
Add a default target to complain when someone attempts a srcdir==objdir build.

Modified:
    llvm-gcc-4.2/trunk/GNUmakefile

Modified: llvm-gcc-4.2/trunk/GNUmakefile
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/GNUmakefile?rev=68658&r1=68657&r2=68658&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/GNUmakefile (original)
+++ llvm-gcc-4.2/trunk/GNUmakefile Wed Apr  8 18:46:12 2009
@@ -9,6 +9,18 @@
 # The compiler targetted at this host gets built anyway, but not installed
 # unless it's listed in TARGETS.
 
+# The following default target is for the benefit of those who try to
+# build llvm-gcc in the source directory.  GNU make will prefer to use
+# this GNUmakefile instead of the Makefile generated by configure.  Since
+# builtit always invokes this makefile with an explicit target, report an
+# error for the default target and some other common gcc targets.
+.PHONY: all all-gcc all-host all-target bootstrap
+all all-gcc all-host all-target bootstrap:
+	@echo
+	@echo "Error: llvm-gcc cannot be built in the source directory."
+	@echo "Please follow the instructions in the README.LLVM file."
+	@exit 1
+
 # Include the set of standard Apple makefile definitions.
 ifndef CoreOSMakefiles
 CoreOSMakefiles = $(MAKEFILEPATH)/CoreOS