Erik Auerswald
08a628ff04
C compilers are getting more aggressive with warnings and are producing more false positives. While I intend to keep ssocr compiling without warnings (as in the last 15 years), I do not use the newest C compilers, but rather the GCC version included in a stable GNU/Linux distribution, it may take some time for me to encounter those problems myself, and thus it may take some time for me to work around them. A user reported a compilation failure due to new warnings in GCC 10.1. Since I currently use GCC 7.5.0 from Ubuntu 18.04 LTS, I do not see those warnings yet, and thus cannot test any workarounds yet. A first investigation into the issue hints at a need to replace valid code with code invalid for GCC's default C standard version (necessitating the specification of a newer C standard in the CFLAGS) to work around said problem. I have no idea if there are additional warnings with GCC 10.1 after working around that one. Since Google blocks my emails to the reporting user, I cannot even communicate to find this out. Thus any code changes will have to wait for either a GCC version with additional warnings arriving in my GNU/Linux distribution, or establishment of a different communication channel, e.g., a GitHub issue.
61 lines
2.2 KiB
Makefile
61 lines
2.2 KiB
Makefile
# minimal CFLAGS definition (try if compilation fails with default CFLAGS)
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#CFLAGS := $(shell imlib2-config --cflags)
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# default CFLAGS definition
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CFLAGS := -D_FORTIFY_SOURCE=2 -Wall -W -Wextra -pedantic -Werror -pedantic-errors -fstack-protector-all $(shell imlib2-config --cflags) -O3
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LDLIBS := -lm $(shell imlib2-config --libs)
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PREFIX := /usr/local
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BINDIR := $(PREFIX)/bin
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MANDIR := $(PREFIX)/share/man/man1
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DOCDIR := $(PREFIX)/share/doc/ssocr
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DOCS := AUTHORS COPYING INSTALL README THANKS
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VERSION := $(shell sed -n 's/^.*VERSION.*\(".*"\).*/\1/p' defines.h)
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all: ssocr ssocr.1
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ssocr: ssocr.o imgproc.o help.o charset.o
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ssocr.o: ssocr.c ssocr.h defines.h imgproc.h help.h charset.h Makefile
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imgproc.o: imgproc.c defines.h imgproc.h help.h Makefile
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help.o: help.c defines.h imgproc.h help.h Makefile
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charset.o: charset.c charset.h defines.h help.h Makefile
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ssocr.1: ssocr.1.in Makefile
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sed -e "s/@VERSION@/$(VERSION)/" \
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-e "s/@DATE@/$(shell date +%Y-%m-%d)/" <$< >$@
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ssocr-manpage.html: ssocr.1
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rman -f html -r '' $< >$@
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install: all
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install -d $(DESTDIR)$(BINDIR) $(DESTDIR)$(MANDIR) $(DESTDIR)$(DOCDIR)
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install -s -m 0755 ssocr $(DESTDIR)$(BINDIR)/ssocr
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install -m 0644 ssocr.1 $(DESTDIR)$(MANDIR)/ssocr.1
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gzip -9 $(DESTDIR)$(MANDIR)/ssocr.1
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install -m 0644 $(DOCS) $(DESTDIR)$(DOCDIR)
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ssocr-dir:
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install -d ssocr-$(VERSION)
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install -m 0644 Makefile $(DOCS) *.[ch] *.in ssocr-$(VERSION)
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install -d ssocr-$(VERSION)/notdebian
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install -m 0644 notdebian/* ssocr-$(VERSION)/notdebian
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chmod +x ssocr-$(VERSION)/notdebian/rules
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notdebian/changelog:
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printf "ssocr ($(VERSION)-1) unstable; urgency=low\n\n * self built package of current ssocr version in .deb format\n\n -- $(USER) $(shell date -R)\n" >$@
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selfdeb: notdebian/changelog notdebian/control notdebian/rules ssocr-dir
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(cd ssocr-$(VERSION); ln -sv notdebian debian; fakeroot debian/rules binary; fakeroot debian/rules clean; rm -f debian)
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tar: ssocr-dir
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tar cvfj ssocr-$(VERSION).tar.bz2 ssocr-$(VERSION)
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clean:
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$(RM) ssocr ssocr.1 *.o *~ testbild.png ssocr-manpage.html
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$(RM) notdebian/changelog
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$(RM) -r ssocr-$(VERSION) ssocr-?.?.? ssocr-?.??.?
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distclean: clean
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$(RM) *.deb *.bz2
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.PHONY: clean tar ssocr-dir install
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