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|
## Common automake fragments for elfutils subdirectory makefiles.
##
## Copyright (C) 2010, 2014, 2016 Red Hat, Inc.
##
## This file is part of elfutils.
##
## This file is free software; you can redistribute it and/or modify
## it under the terms of either
##
## * the GNU Lesser General Public License as published by the Free
## Software Foundation; either version 3 of the License, or (at
## your option) any later version
##
## or
##
## * the GNU General Public License as published by the Free
## Software Foundation; either version 2 of the License, or (at
## your option) any later version
##
## or both in parallel, as here.
##
## elfutils is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received copies of the GNU General Public License and
## the GNU Lesser General Public License along with this program. If
## not, see <http://www.gnu.org/licenses/>.
##
DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -DLOCALEDIR='"${localedir}"'
AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I..
if USE_GNULIB
AM_CPPFLAGS += -I$(top_srcdir)/libgnu -I$(top_builddir)/libgnu
endif
# Drop the 'u' flag that automake adds by default. It is incompatible
# with deterministic archives.
ARFLAGS = cr
# Warn about stack usage of more than 512K = 524288 bytes.
if ADD_STACK_USAGE_WARNING
STACK_USAGE_WARNING=-Wstack-usage=524288
else
STACK_USAGE_WARNING=
endif
if SANE_LOGICAL_OP_WARNING
LOGICAL_OP_WARNING=-Wlogical-op
else
LOGICAL_OP_WARNING=
endif
if HAVE_DUPLICATED_COND_WARNING
DUPLICATED_COND_WARNING=-Wduplicated-cond
else
DUPLICATED_COND_WARNING=
endif
if HAVE_NULL_DEREFERENCE_WARNING
NULL_DEREFERENCE_WARNING=-Wnull-dereference
else
NULL_DEREFERENCE_WARNING=
endif
if HAVE_IMPLICIT_FALLTHROUGH_WARNING
# Use strict fallthrough. Only __attribute__((fallthrough)) will prevent the
# warning
IMPLICIT_FALLTHROUGH_WARNING=-Wimplicit-fallthrough=5
else
IMPLICIT_FALLTHROUGH_WARNING=
endif
AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \
-Wold-style-definition -Wstrict-prototypes \
$(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \
$(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \
$(if $($(*F)_no_Werror),,-Werror) \
$(if $($(*F)_no_Wunused),,-Wunused -Wextra) \
$(if $($(*F)_no_Wstack_usage),,$(STACK_USAGE_WARNING)) \
$(if $($(*F)_no_Wpacked_not_aligned),-Wno-packed-not-aligned,) \
$($(*F)_CFLAGS)
COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE))
DEFS.os = -DPIC -DSHARED
if SYMBOL_VERSIONING
DEFS.os += -DSYMBOL_VERSIONING
else
endif
%.os: %.c %.o
if AMDEP
$(AM_V_CC)if $(COMPILE.os) -c -o $@ $(fpic_CFLAGS) $(DEFS.os) -MT $@ -MD -MP \
-MF "$(DEPDIR)/$*.Tpo" `test -f '$<' || echo '$(srcdir)/'`$<; \
then cat "$(DEPDIR)/$*.Tpo" >> "$(DEPDIR)/$*.Po"; \
rm -f "$(DEPDIR)/$*.Tpo"; \
else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; \
fi
else
$(AM_V_CC)$(COMPILE.os) -c -o $@ $(fpic_CFLAGS) $(DEFS.os) $<
endif
CLEANFILES = *.gcno *.gcda
textrel_msg = echo "WARNING: TEXTREL found in '$@'"
if FATAL_TEXTREL
textrel_found = $(textrel_msg); exit 1
else
textrel_found = $(textrel_msg)
endif
if NATIVE_ELF
textrel_check = if $(READELF) -d $@ | fgrep -q TEXTREL; then $(textrel_found); fi
else
textrel_check =
endif
if NATIVE_PE
%.lib: %.def
case '$(host_cpu)' in \
i?86) \
lib /machine:x86 /def:$< ;;\
x86_64) \
lib /machine:x64 /def:$< ;;\
arm) \
lib /machine:arm /def:$< ;;\
esac;
endif
print-%:
@echo $*=$($*)
|
