freebsd-dev/lib/libgcc_s/Makefile
Alex Richardson 7bc797e3f3 Add build system support for ASAN+UBSAN instrumentation
This adds two new options WITH_ASAN/WITH_UBSAN that can be set to
enable instrumentation of all binaries with AddressSanitizer and/or
UndefinedBehaviourSanitizer. This current patch is almost sufficient
to get a complete buildworld with sanitizer instrumentation but in
order to actually build and boot a system it depends on a few more
follow-up commits.

Reviewed By:	brooks, kib, markj
Differential Revision: https://reviews.freebsd.org/D31043
2021-08-02 14:33:24 +01:00

59 lines
1.4 KiB
Makefile

# $FreeBSD$
PACKAGE= clibs
SHLIB_NAME= libgcc_s.so.1
SHLIBDIR?= /lib
# Enabling UBSan triggers "undefined reference to vtable for __cxxabiv1::__function_type_info"
MK_UBSAN:= no
.include <bsd.opts.mk>
MK_SSP= no
WARNS?= 2
LDFLAGS+= -nodefaultlibs
LIBADD+= c
VERSION_DEF= ${.CURDIR}/Versions.def
SYMBOL_MAPS= ${.CURDIR}/Symbol.map
# Export ARM AEABI unwind routines needed by libc and libthr.
.if exists(${.CURDIR}/${MACHINE_CPUARCH}/Symbol.map)
SYMBOL_MAPS+= ${.CURDIR}/${MACHINE_CPUARCH}/Symbol.map
.else
SYMBOL_MAPS+= ${.CURDIR}/SymbolDefault.map
.endif
.include "../libcompiler_rt/Makefile.inc"
.include "../libgcc_eh/Makefile.inc"
# gcc has incompatible internal declarations for __divtc3 and __multc3, but has
# no option to silence its warning, so make warnings non-fatal.
MK_WERROR.gcc= no
LIBCSRCDIR= ${SRCTOP}/lib/libc
LIBMSRCDIR= ${SRCTOP}/lib/msun/src
CFLAGS+= -I${LIBCSRCDIR}/include -I${LIBCSRCDIR}/${MACHINE_CPUARCH}
CFLAGS+= -I${LIBMSRCDIR}
.PATH: ${LIBMSRCDIR}
SRCS+= s_fabs.c
SRCS+= s_fabsf.c
SRCS+= s_fabsl.c
SRCS+= s_fmax.c
SRCS+= s_fmaxf.c
SRCS+= s_logb.c
SRCS+= s_logbf.c
SRCS+= s_scalbn.c
SRCS+= s_scalbnf.c
# Don't include long double routines on architectures where long double
# is the same size as double.
.if ${MACHINE_CPUARCH} != "mips" && ${MACHINE_CPUARCH} != "arm" && \
${MACHINE_CPUARCH} != "powerpc"
SRCS+= s_fmaxl.c
SRCS+= s_logbl.c
SRCS+= s_scalbnl.c
.endif
.include <bsd.lib.mk>