Emit .line debug directives for stoppoints. The debug location is retrieved by the...

[oota-llvm.git] / Makefile.rules

diff --git a/Makefile.rules b/Makefile.rules
index 351a3450601bf7c6f3c558ea3fc239907f98e8aa..e6c266af7f408a4e0c773aa7f55df15e7d306d1f 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -229,10 +229,12 @@ endif
 CPP.Defines :=
 # OPTIMIZE_OPTION - The optimization level option we want to build LLVM with
 # this can be overridden on the make command line.
-ifneq ($(OS),MingW)
-  OPTIMIZE_OPTION := -O3
-else
+# Avoid -O3 on Darwin, there are unresolved issues with
+# -fstrict-aliasing and ipa-type-escape radr://6756684
+ifeq ($(OS), $(filter $(OS), MingW Darwin))
   OPTIMIZE_OPTION := -O2
+else
+  OPTIMIZE_OPTION := -O3
 endif
 
 ifdef ENABLE_PROFILING
@@ -293,6 +295,7 @@ endif
 # If DISABLE_ASSERTIONS=1 is specified (make command line or configured),
 # then disable assertions by defining the appropriate preprocessor symbols.
 ifdef DISABLE_ASSERTIONS
+  # Indicate that assertions are turned off using a minus sign
   BuildMode := $(BuildMode)-Asserts
   CPP.Defines += -DNDEBUG
 else
@@ -434,10 +437,10 @@ ifeq ($(OS),Darwin)
   DARWIN_VERSION := $(shell echo $(DARWIN_VERSION)| sed -E 's/(10.[0-9]).*/\1/')
   # Get "4" out of 10.4 for later pieces in the makefile.
   DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
-     
-  SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined -Wl,suppress -bundle \
-                    -mmacosx-version-min=$(DARWIN_VERSION)
-  CompileCommonOpts += -mmacosx-version-min=$(DARWIN_VERSION)
+
+  SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined -Wl,suppress \
+                    -dynamiclib -mmacosx-version-min=$(DARWIN_VERSION)
+  TargetCommonOpts += -mmacosx-version-min=$(DARWIN_VERSION)
 else
   ifeq ($(OS),Cygwin)
     SharedLinkOptions=-shared -nostdlib -Wl,--export-all-symbols \
@@ -536,10 +539,10 @@ ifdef UNIVERSAL
 else
   ifeq ($(OS),Darwin)
     ifeq ($(ARCH),x86_64)
-      CompileCommonOpts += -m64
+      TargetCommonOpts = -m64
     else
       ifeq ($(ARCH),x86)
-        CompileCommonOpts += -m32
+        TargetCommonOpts = -m32
       endif
     endif
   endif
@@ -560,33 +563,35 @@ CPP.Flags     += $(sort -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
 
 ifeq ($(BUILD_COMPONENT), 1)
   Compile.C     = $(BUILD_CC) $(CPP.Flags) $(C.Flags) $(C.Flags.NoRelink) \
-                  $(CompileCommonOpts) -c
+                  $(TargetCommonOpts) $(CompileCommonOpts) -c
   Compile.CXX   = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CXX.Flags.NoRelink) \
-                  $(CompileCommonOpts) -c
-  Preprocess.CXX= $(BUILD_CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) \
-                  $(CXX.Flags.NoRelink) -E
+                  $(TargetCommonOpts) $(CompileCommonOpts) -c
+  Preprocess.CXX= $(BUILD_CXX) $(CPP.Flags) $(TargetCommonOpts) \
+                  $(CompileCommonOpts) $(CXX.Flags) $(CXX.Flags.NoRelink) -E
   Link          = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CXX.Flags.NoRelink) \
-                  $(CompileCommonOpts) $(LD.Flags) $(Strip)
-  Relink        = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
-                 $(Relink.Flags)
+                  $(TargetCommonOpts) $(CompileCommonOpts) $(LD.Flags) $(Strip)
+  Relink        = $(BUILD_CXX) $(CPP.Flags) $(CXX.Flags) $(TargetCommonOpts) \
+                  $(CompileCommonOpts) $(Relink.Flags)
 else
   Compile.C     = $(CC) $(CPP.Flags) $(C.Flags) $(C.Flags.NoRelink) \
-                  $(CompileCommonOpts) -c
+                  $(TargetCommonOpts) $(CompileCommonOpts) -c
   Compile.CXX   = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CXX.Flags.NoRelink) \
-                  $(CompileCommonOpts) -c
-  Preprocess.CXX= $(CXX) $(CPP.Flags) $(CompileCommonOpts) $(CXX.Flags) \
-                  $(CXX.Flags.NoRelink) -E
+                  $(TargetCommonOpts) $(CompileCommonOpts) -c
+  Preprocess.CXX= $(CXX) $(CPP.Flags) $(TargetCommonOpts) \
+                  $(CompileCommonOpts) $(CXX.Flags) $(CXX.Flags.NoRelink) -E
   Link          = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CXX.Flags.NoRelink) \
-                  $(CompileCommonOpts) $(LD.Flags) $(Strip)
-  Relink        = $(CXX) $(CPP.Flags) $(CXX.Flags) $(CompileCommonOpts) \
-                 $(Relink.Flags)
+                  $(TargetCommonOpts)  $(CompileCommonOpts) $(LD.Flags) $(Strip)
+  Relink        = $(CXX) $(CPP.Flags) $(CXX.Flags) $(TargetCommonOpts) \
+                  $(CompileCommonOpts) $(Relink.Flags)
 endif
 
-BCCompile.C   = $(LLVMGCCWITHPATH) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts)
-Preprocess.C  = $(CC) $(CPP.Flags) $(C.Flags) $(CompileCommonOpts) -E
+BCCompile.C   = $(LLVMGCCWITHPATH) $(CPP.Flags) $(C.Flags) \
+                $(TargetCommonOpts) $(CompileCommonOpts)
+Preprocess.C  = $(CC) $(CPP.Flags) $(C.Flags) \
+                $(TargetCommonOpts) $(CompileCommonOpts) -E
 
 BCCompile.CXX = $(LLVMGXXWITHPATH) $(CPP.Flags) $(CXX.Flags) \
-                $(CompileCommonOpts)
+                $(TargetCommonOpts) $(CompileCommonOpts)
 
 ProgInstall   = $(INSTALL) $(Install.StripFlag) -m 0755
 ScriptInstall = $(INSTALL) -m 0755