2025-05-10 21:49:39 +08:00

79 lines
2.6 KiB
Makefile

################################################################################
#
# gcc-target
#
################################################################################
GCC_TARGET_VERSION = $(GCC_VERSION)
GCC_TARGET_SITE = $(GCC_SITE)
GCC_TARGET_SOURCE = $(GCC_SOURCE)
# Use the same archive as gcc-initial and gcc-final
GCC_TARGET_DL_SUBDIR = gcc
GCC_TARGET_DEPENDENCIES = binutils gmp mpfr mpc
# First, we use HOST_GCC_COMMON_MAKE_OPTS to get a lot of correct flags (such as
# the arch, abi, float support, etc.) which are based on the config used to
# build the internal toolchain
GCC_TARGET_CONF_OPTS = $(HOST_GCC_COMMON_CONF_OPTS)
# Then, we modify incorrect flags from HOST_GCC_COMMON_CONF_OPTS
GCC_TARGET_CONF_OPTS += \
--with-sysroot=/ \
--with-build-sysroot=$(STAGING_DIR) \
--disable-__cxa_atexit \
--with-gmp=$(STAGING_DIR) \
--with-mpc=$(STAGING_DIR) \
--with-mpfr=$(STAGING_DIR)
# Then, we force certain flags that may appear in HOST_GCC_COMMON_CONF_OPTS
GCC_TARGET_CONF_OPTS += \
--disable-libquadmath \
--disable-libsanitizer \
--disable-plugin \
--disable-lto
# Finally, we add some of our own flags
GCC_TARGET_CONF_OPTS += \
--enable-languages=c \
--disable-boostrap \
--disable-libgomp \
--disable-nls \
--disable-libmpx \
--disable-gcov \
$(EXTRA_TARGET_GCC_CONFIG_OPTIONS)
GCC_TARGET_CONF_ENV = $(HOST_GCC_COMMON_CONF_ENV)
GCC_TARGET_MAKE_OPTS += $(HOST_GCC_COMMON_MAKE_OPTS)
# Install standard C headers (from glibc)
define GCC_TARGET_INSTALL_HEADERS
cp -r $(STAGING_DIR)/usr/include $(TARGET_DIR)/usr
endef
GCC_TARGET_POST_INSTALL_TARGET_HOOKS += GCC_TARGET_INSTALL_HEADERS
# Install standard C libraries (from glibc)
GCC_TARGET_GLIBC_LIBS = \
*crt*.o *_nonshared.a \
libBrokenLocale.so libanl.so libbfd.so libc.so libcrypt.so libdl.so \
libm.so libnss_compat.so libnss_db.so libnss_files.so libnss_hesiod.so \
libpthread.so libresolv.so librt.so libthread_db.so libutil.so
define GCC_TARGET_INSTALL_LIBS
for libpattern in $(GCC_TARGET_GLIBC_LIBS); do \
$(call copy_toolchain_lib_root,$$libpattern) ; \
done
endef
GCC_TARGET_POST_INSTALL_TARGET_HOOKS += GCC_TARGET_INSTALL_LIBS
# Remove unnecessary files (extra links to gcc binaries, and libgcc which is
# already in `/lib`)
define GCC_TARGET_RM_FILES
rm -f $(TARGET_DIR)/usr/bin/$(ARCH)-buildroot-linux-gnu-gcc*
rm -f $(TARGET_DIR)/usr/lib/libgcc_s*.so*
rm -f $(TARGET_DIR)/usr/$(ARCH)-buildroot-linux-gnu/lib/ldscripts/elf32*
rm -f $(TARGET_DIR)/usr/$(ARCH)-buildroot-linux-gnu/lib/ldscripts/elf64b*
endef
GCC_TARGET_POST_INSTALL_TARGET_HOOKS += GCC_TARGET_RM_FILES
$(eval $(autotools-package))