#############################################################################
# Software Testing Automation Framework (STAF)                              #
# (C) Copyright IBM Corp. 2001                                              #
#                                                                           #
# This software is licensed under the Eclipse Public License (EPL) V1.0.    #
#############################################################################

#########################
# Setup C/C++ variables #
#########################

CC_CC             := g++
CC_C              := g++ -x c

ifeq ($(OS_NAME),macosx)
    CC_MK_SHARED_LIB := g++ -dynamiclib
else
    CC_MK_SHARED_LIB := g++ -shared
endif

GCC_VERSION := $(word 3,$(shell g++ --version))
GCC_MAJOR_VERSION := $(word 1,$(subst ., ,$(GCC_VERSION)))

ifeq ($(BUILD_TYPE),retail)
    CC_BUILD_TYPE_FLAGS = $(CC_OPTIMIZE) -DNDEBUG
else
    CC_BUILD_TYPE_FLAGS = $(CC_DEBUG)
endif

# Check if the operating system is Linux PPC64 Little Endian (LE) and if so,
# set LINK_OBJS_FIRST = 1 if the gcc version is >= 4.6

ifeq ($(OS_NAME),linux-ppc64le)
    LINK_OBJS_FIRST := $(shell echo `gcc -dumpversion | cut -f1-2 -d.` \>= 4.6 | sed -e 's/\./*100+/g' | bc)
else
    LINK_OBJS_FIRST := 0
endif

CC_DEBUG        := -g
CC_OPTIMIZE     := -O2
CC_FPIC         := -fPIC
CC_STL_PTHREADS := -D_PTHREADS
CC_SHAREDLIBNAMEFLAGS = -DSTAF_SHARED_LIB_PREFIX=$(OS_SHARED_LIB_PREFIX) \
                        -DSTAF_SHARED_LIB_SUFFIX=$(OS_SHARED_LIB_SUFFIX)
                        
ifeq ($(OS_NAME),solaris)
    ifeq ($(BUILD_ARCH),SPARC64)
        CC_ARCHFLAGS = -m64
    endif    
    ifeq ($(BUILD_ARCH),x64-64)
        CC_ARCHFLAGS = -m64
    endif
else
    ifeq ($(OS_NAME),macosx)
        ifdef BUILD_ARCH
            ifeq ($(BUILD_ARCH),universal)
                CC_ARCHFLAGS = -arch i386 -arch x86_64
                CC_DEPEND_IT = touch $@
                CC_DEPEND_IT_C = touch $@
            else
                CC_ARCHFLAGS = -arch $(BUILD_ARCH)
            endif
        endif
    endif
endif    

CC_COMMONFLAGS = $(OS_COMMONFLAGS) $(COMMONFLAGS) $(CC_FPIC)\
                 $(CC_BUILD_TYPE_FLAGS) $(CC_SHAREDLIBNAMEFLAGS)\
                 $(CC_STL_PTHREADS) -DSTAF_NATIVE_COMPILER\
                 $(CC_ARCHFLAGS)

CC_CFLAGS = $(CC_COMMONFLAGS) $(CFLAGS)

CC_LINKFLAGS     = $(CC_COMMONFLAGS) $(LINKFLAGS)
CC_SHARED_LIB_LINKFLAGS = $(CC_COMMONFLAGS) $(LINKFLAGS)

ifeq ($(GCC_MAJOR_VERSION),2)
    CC_SHARED_LIB_LINKFLAGS += -Wl,-Bsymbolic
endif

# <netapp>
CC_LINKFLAGS += -Wl,-rpath,$(ROOT_SOFTWARE)/lib
CC_LINKFLAGS += -Wl,-rpath,$(ROOT_SOFTWARE)/lib64
CC_LINKFLAGS += -Wl,-rpath,$(INSTALL_PATH)/lib
CC_LINKFLAGS += -Wl,-rpath,$(INSTALL_PATH)/lib/perl58
CC_LINKFLAGS += -Wl,--dynamic-linker=$(ROOT_SOFTWARE)/lib/ld-linux-x86-64.so.2
CC_SHARED_LIB_LINKFLAGS += -Wl,-rpath,$(ROOT_SOFTWARE)/lib
CC_SHARED_LIB_LINKFLAGS += -Wl,-rpath,$(ROOT_SOFTWARE)/lib64
CC_SHARED_LIB_LINKFLAGS += -Wl,-rpath,$(INSTALL_PATH)/lib
CC_SHARED_LIB_LINKFLAGS += -Wl,-rpath,$(INSTALL_PATH)/lib/perl58
CC_SHARED_LIB_LINKFLAGS += -Wl,--dynamic-linker=$(ROOT_SOFTWARE)/lib/ld-linux-x86-64.so.2
# </netapp>

##########################################
# Set commands needed by master makefile #
##########################################

CC_DEPEND_IT     ?= cd $(@D); $(CC_CC) -MM $(CC_CFLAGS) $(ALL_INCLUDEDIR_LIST) \
                    $< | sed -e 's@\(.*\)\.o:@$(@D)/\1.o $(@D)/\1.d:@' >$@

CC_DEPEND_IT_C   ?= cd $(@D); $(CC_C) -MM $(CC_CFLAGS) $(ALL_INCLUDEDIR_LIST) \
                    $< | sed -e 's@\(.*\)\.o:@$(@D)/\1.o $(@D)/\1.d:@' >$@

CC_COMPILE_IT    = $(CC_CC) -c -o $@ $(CC_CFLAGS) $(ALL_INCLUDEDIR_LIST) $<

CC_COMPILE_IT_C  = $(CC_C) -c -o $@ $(CC_CFLAGS) $(ALL_INCLUDEDIR_LIST) $<

CC_LINK_IT       = $(CC_CC) -o $@ $(CC_LINKFLAGS) $(ALL_INCLUDEDIR_LIST)\
                   $(ALL_LIBDIR_LIST) $(OBJS) $(ALL_LIB_LIST)

CC_SHARED_LIB_IT = $(CC_MK_SHARED_LIB) -o $@ $(CC_SHARED_LIB_LINKFLAGS) \
                   $(ALL_INCLUDEDIR_LIST) $(ALL_LIBDIR_LIST)

# On Linux PPC64 LE, when the gcc version >= 4.6, we need to change the link
# order to prevent "java.lang.UnsatisfiedLinkError: JSTAFSH" due to undefined
# symbols when using STAF Java Support (see Bug #1518 and Feature #743).
# Note:  This causes an issue linking STAF Python support so it needs to be
#        investigated further to see if there's a way to fix that as well.

ifeq ($(LINK_OBJS_FIRST),1)
    CC_SHARED_LIB_IT += $(OBJS) $(ALL_LIB_LIST)
else
    CC_SHARED_LIB_IT += $(ALL_LIB_LIST) $(OBJS)
endif