X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=Makefile.config.in;h=7af5d3c90200f2ce1f89d5ea27fd4950af708fab;hb=e7684db38f3f4961bf0e6a8ab870ec3d2d008fff;hp=d34a2d51a933d9efd2c352cce5e0f1c6776a1785;hpb=4cd064b8e86f3d52e9b78e329059bdfffd15d52e;p=oota-llvm.git

diff --git a/Makefile.config.in b/Makefile.config.in
index d34a2d51a93..7af5d3c9020 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -58,6 +58,22 @@ LLVM_OBJ_ROOT   := $(call realpath, @abs_top_builddir@)
 PROJ_SRC_ROOT   := $(LLVM_SRC_ROOT)
 PROJ_SRC_DIR    := $(LLVM_SRC_ROOT)$(patsubst $(PROJ_OBJ_ROOT)%,%,$(PROJ_OBJ_DIR))
 
+# FIXME: This is temporary during the grace period where in-source builds are
+# deprecated. Convert to a hard error when that period is up.
+#
+# See: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20150323/268067.html
+ifeq ($(LLVM_SRC_ROOT), $(LLVM_OBJ_ROOT))
+  $(warning ######################################################################################)
+  $(warning #                                                                                    #)
+  $(warning #                                   WARNING                                          #)
+  $(warning #                                                                                    #)
+  $(warning #                        In-source builds are deprecated.                            #)
+  $(warning #                                                                                    #)
+  $(warning #               Please configure from a separate build directory!                    #)
+  $(warning #                                                                                    #)
+  $(warning ######################################################################################)
+endif
+
 ifneq ($(CLANG_SRC_ROOT),)
   CLANG_SRC_ROOT:= $(call realpath, $(CLANG_SRC_ROOT))
   PROJ_SRC_DIR  := $(patsubst $(LLVM_SRC_ROOT)/tools/clang%,$(CLANG_SRC_ROOT)%,$(PROJ_SRC_DIR))
@@ -293,6 +309,11 @@ ENABLE_TERMINFO = @ENABLE_TERMINFO@
 #ENABLE_EXPENSIVE_CHECKS = 0
 @ENABLE_EXPENSIVE_CHECKS@
 
+# --enable-abi-breaking-checks : decide whether we should compile in asserts and
+# checks that make the build ABI incompatible with an llvm built without these
+# checks enabled.
+ENABLE_ABI_BREAKING_CHECKS = @ENABLE_ABI_BREAKING_CHECKS@
+
 # When DEBUG_RUNTIME is enabled, the runtime libraries will retain debug
 # symbols.
 #DEBUG_RUNTIME = 1