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# Makefile.am -- Backtrace in libstdc++ Makefile.
# Copyright (C) 2012-2025 Free Software Foundation, Inc.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# (1) Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# (2) Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# (3) The name of the author may not be used to
# endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
include $(top_srcdir)/fragment.am
# Convenience library for C++23 runtime.
noinst_LTLIBRARIES = libstdc++_libbacktrace.la
ACLOCAL_AMFLAGS = -I ../.. -I ../../config
# This will be used instead of the common AM_CPPFLAGS from fragment.am
libstdc___libbacktrace_la_CPPFLAGS = \
-I $(top_srcdir)/../include -I $(top_srcdir)/../libgcc \
-I ../../../libgcc -I .. -I $(top_srcdir) \
-I $(top_srcdir)/../libbacktrace \
-I $(top_srcdir)/../libiberty \
-include $(top_srcdir)/src/libbacktrace/backtrace-rename.h \
$(BACKTRACE_CPPFLAGS)
WARN_FLAGS = -W -Wall -Wwrite-strings -Wmissing-format-attribute \
-Wcast-qual
C_WARN_FLAGS = $(WARN_FLAGS) -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wno-unused-but-set-variable
CXX_WARN_FLAGS = $(WARN_FLAGS) -Wno-unused-parameter
AM_CFLAGS = \
$(glibcxx_lt_pic_flag) $(glibcxx_compiler_shared_flag) \
$(C_WARN_FLAGS) -funwind-tables
AM_CFLAGS += $(EXTRA_CFLAGS)
AM_CXXFLAGS = \
$(glibcxx_lt_pic_flag) $(glibcxx_compiler_shared_flag) \
$(CXX_WARN_FLAGS) -fno-rtti -fno-exceptions
AM_CXXFLAGS += $(EXTRA_CXXFLAGS)
obj_prefix = std_stacktrace
# Each FILE.c in SOURCES will be compiled to SHORTNAME-FILE.o
libstdc___libbacktrace_la_SHORTNAME = $(obj_prefix)
libstdc___libbacktrace_la_SOURCES = \
atomic.c \
backtrace.c \
dwarf.c \
fileline.c \
posix.c \
sort.c \
simple.c \
state.c \
cp-demangle.c
FORMAT_FILES = \
elf.c \
pecoff.c \
unknown.c
VIEW_FILES = \
read.c \
mmapio.c
ALLOC_FILES = \
alloc.c \
mmap.c
EXTRA_libstdc___libbacktrace_la_SOURCES = \
$(FORMAT_FILES) \
$(VIEW_FILES) \
$(ALLOC_FILES)
# These three files are chosen by configure and added to the link.
# We need the SHORTNAME- prefix so that they use the custom CPPFLAGS above.
libstdc___libbacktrace_la_LIBADD = \
$(obj_prefix)-$(FORMAT_FILE) \
$(obj_prefix)-$(VIEW_FILE) \
$(obj_prefix)-$(ALLOC_FILE)
libstdc___libbacktrace_la_DEPENDENCIES = $(libstdc___libbacktrace_la_LIBADD)
# Use symlinks for the sources
%.c: ../../../libbacktrace/%.c
$(LN_S) $< $@
cp-demangle.c: ../../../libiberty/cp-demangle.c
$(LN_S) $< $@
LTCOMPILE = \
$(LIBTOOL) --tag CC --tag disable-shared \
$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
--mode=compile $(CC) $(TOPLEVEL_INCLUDES) \
$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(EXTRA_CFLAGS)
LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
LINK = \
$(LIBTOOL) --tag CC --tag disable-shared \
$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
--mode=link $(CC) \
$(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CFLAGS) $(LTLDFLAGS) -o $@
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