toolchain: gcc: enable sanitizers for glibc toolchain
[oweals/openwrt.git] / toolchain / gcc / final / Makefile
1 GCC_VARIANT:=final
2
3 include ../common.mk
4
5 GCC_CONFIGURE += \
6         --with-headers=$(TOOLCHAIN_DIR)/include \
7         --enable-languages=$(TARGET_LANGUAGES) \
8         --enable-shared \
9         --enable-threads \
10         --with-slibdir=$(TOOLCHAIN_DIR)/lib \
11         --enable-lto \
12         --with-libelf=$(TOPDIR)/staging_dir/host
13
14 ifndef CONFIG_USE_GLIBC
15   GCC_CONFIGURE += --disable-libsanitizer
16 endif
17
18 ifdef CONFIG_USE_MUSL
19   GCC_MAKE += gcc_cv_libc_provides_ssp=yes
20 endif
21
22 ifneq ($(CONFIG_SJLJ_EXCEPTIONS),)
23   GCC_CONFIGURE += \
24         --enable-sjlj-exceptions
25 endif
26
27 define CleanupToolchain
28         $(INSTALL_DIR) $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)
29         # Important!  Required for limits.h to be fixed.
30         rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
31         ln -sf ../include $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
32         rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
33         ln -sf ../lib $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
34         $(if $(CONFIG_ARCH_64BIT),ln -sf ../lib64 $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib64)
35 endef
36
37 define Host/Configure
38         $(CleanupToolchain)
39         mkdir -p $(GCC_BUILD_DIR)
40         (cd $(GCC_BUILD_DIR) && rm -f config.cache; \
41                 $(GCC_CONFIGURE) \
42         );
43 endef
44
45 ifeq ($(CONFIG_USE_GLIBC)$(CONFIG_INSTALL_GCCGO),yy)
46 define FixGogccCrt
47         # link crtX.o for gotools
48         mkdir -p $(GCC_BUILD_DIR)/gotools
49         $(foreach crt, i 1 n, ln -sf ../../glibc-dev/lib/crt$(crt).o $(GCC_BUILD_DIR)/gotools/ ; )
50 endef
51 endif
52
53 define Host/Compile
54         $(FixGogccCrt)
55         +$(GCC_MAKE) $(HOST_JOBS) -C $(GCC_BUILD_DIR) all
56 endef
57
58 define SetupExtraArch
59         for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
60                 [ -e $$$$app ] || continue; \
61                 old_base=$$$$(basename $$$$app); \
62                 new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
63                 sed -e "s/@CC_BASE@/$$$$old_base/" \
64                         -e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
65                          ../files/alternate-arch-cc.in > \
66                          $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
67                 chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
68         done
69 endef
70
71 define Host/Install
72         $(CleanupToolchain)
73         +$(GCC_MAKE) $(HOST_JOBS) -C $(GCC_BUILD_DIR) install
74         # Set up the symlinks to enable lying about target name.
75         set -e; \
76         (cd $(TOOLCHAIN_DIR); \
77                 ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
78                 cd bin; \
79                 for app in $(REAL_GNU_TARGET_NAME)-* ; do \
80                         ln -sf $$$${app} \
81                         $(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
82                 done; \
83         );
84         $(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
85         $(RM) $(TOOLCHAIN_DIR)/lib/libiberty.a
86         $(SCRIPT_DIR)/patch-specs.sh "$(TOOLCHAIN_DIR)"
87 endef
88
89 $(eval $(call HostBuild))
90