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  • Committer: Teddy Hogeborn
  • Date: 2016-03-04 20:50:45 UTC
  • Revision ID: teddy@recompile.se-20160304205045-jksfb2qzv9erkf21
Only use -fsanitize=... options if they work.

* Makefile (ALL_SANITIZE_OPTIONS): New.
  (SANITIZE): Loop through all known sanitizing options and only use
              those which do not give an error.

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Makefile
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# For info about _FORTIFY_SOURCE, see feature_test_macros(7)
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# and <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
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FORTIFY=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIC
 
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# <https://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/>
 
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ALL_SANITIZE_OPTIONS:=-fsanitize=address -fsanitize=undefined \
 
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        -fsanitize=shift -fsanitize=integer-divide-by-zero \
 
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        -fsanitize=unreachable -fsanitize=vla-bound -fsanitize=null \
 
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        -fsanitize=return -fsanitize=signed-integer-overflow \
 
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        -fsanitize=bounds -fsanitize=alignment \
 
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        -fsanitize=object-size -fsanitize=float-divide-by-zero \
 
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        -fsanitize=float-cast-overflow -fsanitize=nonnull-attribute \
 
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        -fsanitize=returns-nonnull-attribute -fsanitize=bool \
 
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        -fsanitize=enum
 
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# Check which sanitizing options can be used
 
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SANITIZE:=$(foreach option,$(ALL_SANITIZE_OPTIONS),$(shell \
 
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        echo 'int main(){}' | $(CC) --language=c $(option) /dev/stdin \
 
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        -o /dev/null >/dev/null 2>&1 && echo $(option)))
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LINK_FORTIFY_LD=-z relro -z now
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LINK_FORTIFY=
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OPTIMIZE=-Os -fno-strict-aliasing
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LANGUAGE=-std=gnu11
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htmldir=man
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version=1.6.9
 
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version=1.7.3
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SED=sed
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USER=$(firstword $(subst :, ,$(shell getent passwd _mandos || getent passwd nobody || echo 65534)))
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GROUP=$(firstword $(subst :, ,$(shell getent group _mandos || getent group nobody || echo 65534)))
 
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GROUP=$(firstword $(subst :, ,$(shell getent group _mandos || getent group nogroup || echo 65534)))
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## Use these settings for a traditional /usr/local install
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# PREFIX=$(DESTDIR)/usr/local
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LIBNL3_LIBS=$(shell pkg-config --libs libnl-route-3.0)
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# Do not change these two
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CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
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        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
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        -DVERSION='"$(version)"'
 
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CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(SANITIZE) $(COVERAGE) \
 
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        $(OPTIMIZE) $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) \
 
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        $(GPGME_CFLAGS) -DVERSION='"$(version)"'
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LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
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# Commands to format a DocBook <refentry> document into a manual page