Re: [sr-dev] git:master: core: Added support for the clang compiler

Hello,

nice, is everything compiling (at least the standard modules and most commonly used)?

Thanks, Daniel

On 9/14/12 12:23 PM, Marius Zbihlei wrote:

Module: sip-router Branch: master Commit: 452c543de61d413351a5ac0816adc137d150824b URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=452c543d...

Author: Marius Zbihlei marius.zbihlei@1and1.ro Committer: Marius Zbihlei marius.zbihlei@1and1.ro Date: Fri Sep 14 13:17:24 2012 +0300

core: Added support for the clang compiler

Support for clang, a C compiler from the LLVM suite has been added. Install clang and run 'make cfg CC=clang && make' for building. GCC Inline assembly is supported. TODO: clean warning caused by clang (-Wunused-variable, etc)

---

Makefile.defs | 41 ++++++++++++++++++++++++++++++++++++++++- 1 files changed, 40 insertions(+), 1 deletions(-)

diff --git a/Makefile.defs b/Makefile.defs index b9718fd..9bf78b5 100644 --- a/Makefile.defs +++ b/Makefile.defs @@ -321,6 +321,14 @@ ifneq (, $(findstring Intel(R) C++ Compiler, $(CC_LONGVER))) MKDEP=$(CC) -MM endif

+ifneq (, $(findstring clang, $(CC_LONGVER)))

• #clang should be gcc compatible
• CC_NAME=clang
• CC_FULLVER:=$(shell echo "$(CC_LONGVER)" | head -n 1 | sed -e 's/.*version ([0-9].[0-9]).*/\1/g' )
• CC_SHORTVER:=$(shell echo "$(CC_FULLVER)" | cut -d. -f1,2 )
• CC_VER=$(CC) $(CC_FULLVER)
• MKDEP=$(CC) -MM

+endif

ifeq (,$(CC_NAME)) #not found @@ -866,7 +874,7 @@ ifeq ($(mode), release) #if i386 ifeq ($(ARCH), i386) # if gcc -ifeq ($(CC_NAME), gcc) +ifeq ($(CC_NAME), gcc) C_DEFS+=-DCC_GCC_LIKE_ASM #common stuff CFLAGS=-g -O9 -funroll-loops -Wcast-align $(PROFILE) @@ -923,6 +931,15 @@ endif # CC_SHORTVER, 4.x endif # CC_SHORTVER, 4.5+ or 4.2+

else # CC_NAME, gcc +ifeq ($(CC_NAME), clang) +$(call set_if_empty,CPU,athlon64)

• 			C_DEFS+=-DCC_GCC_LIKE_ASM
  

•                                    CFLAGS+=-m32
  

•                                                     \
  

•                                                     \
  

•                                                    -mtune=$(CPU)
  

•                                    LDFLAGS+=-m32
  

+else # CC_NAME, clang ifeq ($(CC_NAME), icc) C_DEFS+=-DCC_GCC_LIKE_ASM CFLAGS=-g -O3 -ipo -ipo_obj -unroll $(PROFILE) \ @@ -935,6 +952,7 @@ else #other compilers $(error Unsupported compiler ($(CC):$(CC_NAME)), try gcc) endif #CC_NAME, icc +endif #CC_NAME, clang endif #CC_NAME, gcc endif #ARCH, i386

@@ -1009,6 +1027,13 @@ endif # CC_SHORTVER, 4.2+ endif # CC_SHORTVER, 4.5+

else # CC_NAME, gcc +ifeq ($(CC_NAME), clang) +$(call set_if_empty,CPU,opteron)

• 			C_DEFS+=-DCC_GCC_LIKE_ASM
  

•                                    CFLAGS+=-m64 \
  

•                                    LDFLAGS+=-m64
  

+else # CC_NAME, clang ifeq ($(CC_NAME), icc) C_DEFS+=-DCC_GCC_LIKE_ASM CFLAGS=-g -O3 -ipo -ipo_obj -unroll $(PROFILE) \ @@ -1021,6 +1046,7 @@ else #other compilers $(error Unsupported compiler ($(CC):$(CC_NAME)), try gcc) endif #CC_NAME, icc +endif #CC_NAME, clang endif #CC_NAME, gcc endif #ARCH, x86_64

@@ -1597,6 +1623,14 @@ endif # the executable file, because it's always loaded at a fixed address # -andrei

+ifeq ($(CC_NAME), clang)

• LDFLAGS+=-Wl,-O2 -Wl,-E $(PROFILE)

•    MOD_LDFLAGS:=-shared $(LDFLAGS)
  

•    LIB_LDFLAGS:=-shared $(LDFLAGS)
  

•    LIB_SONAME=-Wl,-soname,
  

•    LD_RPATH=-Wl,-rpath,
  

+endif

• LDFLAGS+= $(LD_EXTRA_OPTS) MOD_LDFLAGS+= $(LD_EXTRA_OPTS) LIB_LDFLAGS+= $(LD_EXTRA_OPTS)

@@ -1674,6 +1708,11 @@ ifeq ($(CC_NAME), suncc) MOD_CFLAGS=-xcode=pic32 $(CFLAGS) LIB_CFLAGS=-xcode=pic32 $(CFLAGS) endif +ifeq ($(CC_NAME), clang) +MOD_CFLAGS=-fPIC -DPIC $(CFLAGS) +LIB_CFLAGS=-fPIC -DPIC $(CFLAGS) +endif

• UTILS_CFLAGS=$(CFLAGS) # LDFLAGS uses for compiling the utils UTILS_LDFLAGS=$(LDFLAGS)

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