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base-linux: configurable host toolchain

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This commit uses CUSTOM_HOST_CC/CUSTOM_HOST_CXX instead of hardcoded
commands and introduces HOST_DEV_PREFIX.

Original patch by Roman Iten and Pirmin Duss.

Issue #3466
This commit is contained in:
Christian Helmuth 2019-12-12 17:15:52 +01:00
parent cebc963396
commit 23ed5d3936
4 changed files with 12 additions and 10 deletions
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14
repos/base-linux/lib/import/import-lx_hybrid.mk
View File

@ -7,7 +7,7 @@ include $(call select_from_repositories,lib/import/import-syscall-linux.mk)
# Manually supply all library search paths of the host compiler to our tool # Manually supply all library search paths of the host compiler to our tool
# chain. # chain.
# #
HOST_LIB_SEARCH_DIRS = $(shell cc $(CC_MARCH) -print-search-dirs | grep libraries |\ HOST_LIB_SEARCH_DIRS = $(shell $(CUSTOM_HOST_CC) $(CC_MARCH) -print-search-dirs | grep libraries |\
sed "s/.*=//" | sed "s/:/ /g" |\ sed "s/.*=//" | sed "s/:/ /g" |\
sed "s/\/ / /g" | sed "s/\/\$$//") sed "s/\/ / /g" | sed "s/\/\$$//")
# #
@ -18,7 +18,7 @@ HOST_LIB_SEARCH_DIRS = $(shell cc $(CC_MARCH) -print-search-dirs | grep librarie
# is appended to the include directory list. # is appended to the include directory list.
# #
HOST_INC_DIR += $(shell echo "int main() {return 0;}" |\ HOST_INC_DIR += $(shell echo "int main() {return 0;}" |\
LANG=C $(CXX) -x c++ -v -E - 2>&1 |\ LANG=C $(CXX) -x $(CUSTOM_HOST_CXX) -v -E - 2>&1 |\
sed '/^\#include <\.\.\.> search starts here:/,/^End of search list/!d' |\ sed '/^\#include <\.\.\.> search starts here:/,/^End of search list/!d' |\
grep "include-fixed") grep "include-fixed")
@ -68,11 +68,11 @@ endif
LD_TEXT_ADDR ?= LD_TEXT_ADDR ?=
LD_SCRIPT_STATIC ?= LD_SCRIPT_STATIC ?=
EXT_OBJECTS += $(shell cc $(CC_MARCH) -print-file-name=crt1.o) EXT_OBJECTS += $(shell $(CUSTOM_HOST_CC) $(CC_MARCH) -print-file-name=crt1.o)
EXT_OBJECTS += $(shell cc $(CC_MARCH) -print-file-name=crti.o) EXT_OBJECTS += $(shell $(CUSTOM_HOST_CC) $(CC_MARCH) -print-file-name=crti.o)
EXT_OBJECTS += $(shell $(CUSTOM_CC) $(CC_MARCH) -print-file-name=crtbegin.o) EXT_OBJECTS += $(shell $(CUSTOM_CC) $(CC_MARCH) -print-file-name=crtbegin.o)
EXT_OBJECTS += $(shell $(CUSTOM_CC) $(CC_MARCH) -print-file-name=crtend.o) EXT_OBJECTS += $(shell $(CUSTOM_CC) $(CC_MARCH) -print-file-name=crtend.o)
EXT_OBJECTS += $(shell cc $(CC_MARCH) -print-file-name=crtn.o) EXT_OBJECTS += $(shell $(CUSTOM_HOST_CC) $(CC_MARCH) -print-file-name=crtn.o)
LX_LIBS_OPT += -lgcc -lgcc_s -lsupc++ -lc -lpthread LX_LIBS_OPT += -lgcc -lgcc_s -lsupc++ -lc -lpthread
@ -105,7 +105,7 @@ endif
LD_LIBGCC = $(LX_LIBS_OPT) LD_LIBGCC = $(LX_LIBS_OPT)
# use the host c++ for linking to find shared libraries in DT_RPATH library paths # use the host c++ for linking to find shared libraries in DT_RPATH library paths
LD_CMD = c++ LD_CMD = $(CUSTOM_HOST_CXX)
# disable format-string security checks, which prevent non-literal format strings # disable format-string security checks, which prevent non-literal format strings
CC_OPT += -Wno-format-security CC_OPT += -Wno-format-security
@ -115,7 +115,7 @@ CC_OPT += -Wno-format-security
# Ubuntu 16.10 or newer) # Ubuntu 16.10 or newer)
# #
CXX_LINK_OPT_NO_PIE := $(shell \ CXX_LINK_OPT_NO_PIE := $(shell \
(echo "int main(){}" | $(LD_CMD) -no-pie -x c++ - -o /dev/null >& /dev/null \ (echo "int main(){}" | $(LD_CMD) -no-pie -x $(CUSTOM_HOST_CXX) - -o /dev/null >& /dev/null \
&& echo "-no-pie") || true) && echo "-no-pie") || true)
CXX_LINK_OPT += $(CXX_LINK_OPT_NO_PIE) CXX_LINK_OPT += $(CXX_LINK_OPT_NO_PIE)

3
repos/base-linux/lib/import/import-syscall-linux.mk
View File

@ -1,8 +1,9 @@
HOST_INC_DIR += $(dir $(call select_from_repositories,src/lib/syscall/linux_syscalls.h)) HOST_INC_DIR += $(dir $(call select_from_repositories,src/lib/syscall/linux_syscalls.h))
HOST_INC_DIR += $(dir $(CUSTOM_HOST_CC))/../$(shell $(CUSTOM_HOST_CC) -dumpmachine)/libc/usr/include
HOST_INC_DIR += /usr/include HOST_INC_DIR += /usr/include
# needed for Ubuntu >= 11.04 # needed for Ubuntu >= 11.04
HOST_INC_DIR += /usr/include/$(shell gcc -dumpmachine) HOST_INC_DIR += /usr/include/$(shell $(CUSTOM_HOST_CC) -dumpmachine)
# #
# Explicitly add some well-known paths as the dumpmachine magic above does not # Explicitly add some well-known paths as the dumpmachine magic above does not

2
repos/base-linux/lib/mk/spec/arm/base-linux.mk
View File

@ -8,4 +8,4 @@ SRC_CC += cpu/arm/cache.cc
LIBS += timeout-arm LIBS += timeout-arm
include $(REP_DIR)/lib/mk/base.mk include $(REP_DIR)/lib/mk/base-linux.mk

3
repos/base/mk/global.mk
View File

@ -23,7 +23,8 @@ CUSTOM_OBJCOPY ?= $(CROSS_DEV_PREFIX)objcopy
CUSTOM_RANLIB ?= $(CROSS_DEV_PREFIX)ranlib CUSTOM_RANLIB ?= $(CROSS_DEV_PREFIX)ranlib
CUSTOM_STRIP ?= $(CROSS_DEV_PREFIX)strip CUSTOM_STRIP ?= $(CROSS_DEV_PREFIX)strip
CUSTOM_GNATBIND ?= $(CROSS_DEV_PREFIX)gnatbind CUSTOM_GNATBIND ?= $(CROSS_DEV_PREFIX)gnatbind
CUSTOM_HOST_CC ?= gcc CUSTOM_HOST_CC ?= $(HOST_DEV_PREFIX)gcc
CUSTOM_HOST_CXX ?= $(HOST_DEV_PREFIX)g++
CUSTOM_ADA_CC ?= $(CUSTOM_CC) CUSTOM_ADA_CC ?= $(CUSTOM_CC)
CUSTOM_ALI2DEP ?= $(CROSS_DEV_PREFIX)ali2dep CUSTOM_ALI2DEP ?= $(CROSS_DEV_PREFIX)ali2dep