lutin/coreLinux/setup.mk

116 lines
3.3 KiB
Makefile

###############################################################################
## @file config.mk
## @author Y.M. Morgan
## @date 2011/05/14
###############################################################################
###############################################################################
## Make sure that there are no spaces in the absolute path; the build system
## can't deal with them.
###############################################################################
ifneq ("$(words $(shell pwd))","1")
$(error Top directory contains space characters)
endif
###############################################################################
## Host/Target OS.
###############################################################################
# Host OS
ifneq ("$(shell echo $$OSTYPE | grep msys)","")
HOST_OS := MINGW32
HOST_EXE_SUFFIX := .exe
HOST_SHARED_LIB_SUFFIX := .dll
else
HOST_OS := Linux
HOST_EXE_SUFFIX :=
HOST_SHARED_LIB_SUFFIX := .so
endif
# Target OS : default to HOST_OS unless set
ifndef TARGET_OS
TARGET_OS := $(HOST_OS)
endif
# Exe/dll suffix under mingw
TARGET_STATIC_LIB_SUFFIX := .a
ifeq ("$(TARGET_OS)","MINGW32")
DIR_SUFFIX := _mingw32
TARGET_EXE_SUFFIX := .exe
TARGET_SHARED_LIB_SUFFIX := .dll
else
DIR_SUFFIX :=
TARGET_EXE_SUFFIX :=
TARGET_SHARED_LIB_SUFFIX := .so
endif
ifeq ("$(TARGET_OS)","MINGW32")
# may be overridden in make command line
STATIC := 1
TARGET_GLOBAL_CFLAGS += -D__MINGW_FEATURES__=0
TARGET_GLOBAL_LDFLAGS += -Wl,--enable-auto-import
ifeq ("$(STATIC)","1")
TARGET_GLOBAL_LDFLAGS += -Wl,-Bstatic
endif
endif
# To be able to use ccache with pre-complied headers, some env variables are required
CCACHE :=
ifeq ("$(CCACHE)","1")
ifneq ("$(shell which ccache)","")
CCACHE := CCACHE_SLOPPINESS=time_macros ccache
TARGET_GLOBAL_CFLAGS += -fpch-preprocess
endif
endif
# Pre-compiled header generation flag
ifneq ("$(CLANG)","1")
TARGET_PCH_FLAGS := -c
else
TARGET_PCH_FLAGS := -x c++-header
endif
# Architecture
#ifndef TARGET_ARCH
# ifneq ("$(shell $(GCC) -dumpmachine | grep 64)","")
# TARGET_ARCH := AMD64
# else
# TARGET_ARCH := X86
# endif
#endif
# Update flags based on architecture
# 64-bit requires -fPIC to build shared libraries
#ifeq ("$(TARGET_ARCH)","AMD64")
# TARGET_GLOBAL_CFLAGS += -m64 -fPIC
#else
# TARGET_GLOBAL_CFLAGS += -m32
#endif
###############################################################################
## Variables based on DEBUG/STATIC.
###############################################################################
#ifeq ("$(DEBUG)","0")
# TARGET_GLOBAL_CFLAGS += -O2 -g -DNDEBUG
# TARGET_OUT_INTERMEDIATES := $(TOP_DIR)/build_gcc$(DIR_SUFFIX)/release
# TARGET_OUT := $(TOP_DIR)/out_gcc$(DIR_SUFFIX)/release
#else
# TARGET_GLOBAL_CFLAGS += -O0 -g -DDEBUG -D_DEBUG
# TARGET_OUT_INTERMEDIATES := $(TOP_DIR)/build_gcc$(DIR_SUFFIX)/debug
# TARGET_OUT := $(TOP_DIR)/out_gcc$(DIR_SUFFIX)/debug
#endif
###############################################################################
## Determine gcc path and version.
###############################################################################
GCC_PATH := $(shell which $(GCC))
ifneq ("$(CLANG)","1")
GCC_VERSION := $(shell $(GCC) --version | head -1 | sed "s/.*\([0-9]\.[0-9]\.[0-9]\).*/\1/")
else
GCC_VERSION := $(shell $(GCC) --version | head -1 | sed "s/.*\([0-9]\.[0-9]-[0-9]\).*/\1/")
endif