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124 lines
3.7 KiB
124 lines
3.7 KiB
## Common automake fragments for elfutils subdirectory makefiles.
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##
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## Copyright (C) 2010, 2014, 2016 Red Hat, Inc.
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##
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## This file is part of elfutils.
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##
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## This file is free software; you can redistribute it and/or modify
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## it under the terms of either
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##
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## * the GNU Lesser General Public License as published by the Free
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## Software Foundation; either version 3 of the License, or (at
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## your option) any later version
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##
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## or
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##
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## * the GNU General Public License as published by the Free
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## Software Foundation; either version 2 of the License, or (at
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## your option) any later version
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##
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## or both in parallel, as here.
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##
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## elfutils is distributed in the hope that it will be useful, but
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## WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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## General Public License for more details.
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##
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## You should have received copies of the GNU General Public License and
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## the GNU Lesser General Public License along with this program. If
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## not, see <http://www.gnu.org/licenses/>.
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##
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DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -DLOCALEDIR='"${localedir}"'
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AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I..
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# Drop the 'u' flag that automake adds by default. It is incompatible
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# with deterministic archives.
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ARFLAGS = cr
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# Warn about stack usage of more than 256K = 262144 bytes.
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if ADD_STACK_USAGE_WARNING
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STACK_USAGE_WARNING=-Wstack-usage=262144
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else
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STACK_USAGE_WARNING=
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endif
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if SANE_LOGICAL_OP_WARNING
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LOGICAL_OP_WARNING=-Wlogical-op
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else
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LOGICAL_OP_WARNING=
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endif
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if HAVE_DUPLICATED_COND_WARNING
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DUPLICATED_COND_WARNING=-Wduplicated-cond
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else
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DUPLICATED_COND_WARNING=
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endif
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if HAVE_NULL_DEREFERENCE_WARNING
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NULL_DEREFERENCE_WARNING=-Wnull-dereference
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else
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NULL_DEREFERENCE_WARNING=
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endif
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if HAVE_IMPLICIT_FALLTHROUGH_WARNING
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# Use strict fallthrough. Only __attribute__((fallthrough)) will prevent the
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# warning
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IMPLICIT_FALLTHROUGH_WARNING=-Wimplicit-fallthrough=5
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else
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IMPLICIT_FALLTHROUGH_WARNING=
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endif
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AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \
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-Wold-style-definition -Wstrict-prototypes -Wtrampolines \
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$(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \
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$(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \
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$(if $($(*F)_no_Werror),,-Werror) \
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$(if $($(*F)_no_Wunused),,-Wunused -Wextra) \
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$(if $($(*F)_no_Wstack_usage),,$(STACK_USAGE_WARNING)) \
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$(if $($(*F)_no_Wpacked_not_aligned),-Wno-packed-not-aligned,) \
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$($(*F)_CFLAGS)
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AM_CXXFLAGS = -std=c++11 -Wall -Wshadow \
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-Wtrampolines \
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$(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \
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$(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \
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$(if $($(*F)_no_Werror),,-Werror) \
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$(if $($(*F)_no_Wunused),,-Wunused -Wextra) \
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$(if $($(*F)_no_Wstack_usage),,$(STACK_USAGE_WARNING)) \
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$(if $($(*F)_no_Wpacked_not_aligned),-Wno-packed-not-aligned,) \
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$($(*F)_CXXFLAGS)
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COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE))
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DEFS.os = -DPIC -DSHARED
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if SYMBOL_VERSIONING
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DEFS.os += -DSYMBOL_VERSIONING
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else
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endif
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%.os: %.c %.o
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if AMDEP
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$(AM_V_CC)if $(COMPILE.os) -c -o $@ $(fpic_CFLAGS) $(DEFS.os) -MT $@ -MD -MP \
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-MF "$(DEPDIR)/$*.Tpo" `test -f '$<' || echo '$(srcdir)/'`$<; \
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then cat "$(DEPDIR)/$*.Tpo" >> "$(DEPDIR)/$*.Po"; \
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rm -f "$(DEPDIR)/$*.Tpo"; \
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else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; \
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fi
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else
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$(AM_V_CC)$(COMPILE.os) -c -o $@ $(fpic_CFLAGS) $(DEFS.os) $<
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endif
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CLEANFILES = *.gcno *.gcda
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textrel_msg = echo "WARNING: TEXTREL found in '$@'"
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if FATAL_TEXTREL
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textrel_found = $(textrel_msg); exit 1
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else
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textrel_found = $(textrel_msg)
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endif
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textrel_check = if $(READELF) -d $@ | fgrep -q TEXTREL; then $(textrel_found); fi
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print-%:
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@echo $*=$($*)
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