freebsd-dev/lib/libgcc_eh/Makefile.inc
John Baldwin c00d345665 Install unwind.h into /usr/include
Install headers from LLVM's libunwind in place of the headers from
libcxxrt and allow C applications to use the library.

As part of this, remove include/unwind.h and switch libthr over to
using the installed unwind.h.

Reviewed by:	dim, emaste
MFC after:	10 days
Differential Revision: https://reviews.freebsd.org/D34065
2022-02-10 19:00:32 +01:00

47 lines
1.3 KiB
Makefile

# $FreeBSD$
COMPILERRTDIR= ${SRCTOP}/contrib/llvm-project/compiler-rt
UNWINDINCDIR= ${SRCTOP}/contrib/llvm-project/libunwind/include
UNWINDSRCDIR= ${SRCTOP}/contrib/llvm-project/libunwind/src
STATIC_CFLAGS+=${PICFLAG} -fvisibility=hidden -DVISIBILITY_HIDDEN
.PATH: ${COMPILERRTDIR}/lib/builtins
.PATH: ${UNWINDSRCDIR}
SRCS_EXC+= gcc_personality_v0.c
SRCS_EXC+= Unwind-EHABI.cpp
SRCS_EXC+= Unwind-sjlj.c
SRCS_EXC+= UnwindLevel1-gcc-ext.c
SRCS_EXC+= UnwindLevel1.c
SRCS_EXC+= UnwindRegistersRestore.S
SRCS_EXC+= UnwindRegistersSave.S
SRCS_EXC+= libunwind.cpp
SRCS+= ${SRCS_EXC}
.for file in ${SRCS_EXC:M*.c}
CFLAGS.${file}+= -fno-exceptions -funwind-tables
.if ${MK_ASAN} != "no"
# False-positives during stack unwinding
CFLAGS.${file}+= -fno-sanitize=address
.endif
.endfor
.for file in ${SRCS_EXC:M*.cpp}
CXXFLAGS.${file}+= -fno-exceptions -funwind-tables
.if ${MK_ASAN} != "no"
# False-positives during stack unwinding
CXXFLAGS.${file}+= -fno-sanitize=address
.endif
.endfor
CFLAGS+= -I${UNWINDINCDIR}
CFLAGS+= -D_LIBUNWIND_IS_NATIVE_ONLY
CFLAGS+= -D_LIBUNWIND_USE_FRAME_HEADER_CACHE
CXXFLAGS+= -fno-rtti
CXXSTD?= c++11
STATIC_CXXFLAGS+= -fvisibility=hidden -fPIC
# Probably need to just move this earlier or use CXXFLAGS
.if ${MK_DIRDEPS_BUILD} == "yes"
# Avoid dependency on lib/libc++
CFLAGS+= -isystem ${SRCTOP}/contrib/llvm-project/libcxx/include -nostdinc++
.endif