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build-sys: use .DELETE_ON_ERROR

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All instances of "|| rm $@" are replaced with .DELETE_ON_ERROR, which
has a similar effect. One difference is that the return code is not
masked by rm return code.

.DELETE_ON_ERROR is GNU-Make specific, but -Wno-portability is already
defined, and it's unlikely that anyone would build systemd with a
shell not supporting .DELETE_ON_ERROR. If they did, then
.DELETE_ON_ERROR would be silently ignored, i.e. in the worst case a
garbage file wouldn't be deleted, which is not very serious.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2012-07-17 17:58:14 +02:00 committed by Lennart Poettering
parent ecca17f6ee
commit 96bd03d5b8
1 changed files with 19 additions and 15 deletions
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34
Makefile.am
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@ -23,6 +23,9 @@ AM_MAKEFLAGS = --no-print-directory
SUBDIRS = . po
# remove targets if the command fails
.DELETE_ON_ERROR:
LIBUDEV_CURRENT=1
LIBUDEV_REVISION=2
LIBUDEV_AGE=0
@ -671,9 +674,10 @@ CLEANFILES += \
$(builddir)/man/index.html: $(XML_FILES:.xml=.html) $(top_srcdir)/make-man-index.py
$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
$(PYTHON) $(top_srcdir)/make-man-index.py $(XML_FILES) > $@ || rm $@
$(PYTHON) $(top_srcdir)/make-man-index.py $(XML_FILES) > $@
EXTRA_DIST += man/index.html
EXTRA_DIST += \
man/index.html
endif
endif
@ -1000,7 +1004,7 @@ libsystemd_core_la_LIBADD = \
src/core/load-fragment-gperf-nulstr.c: src/core/load-fragment-gperf.gperf
$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
$(AWK) 'BEGIN{ keywords=0 ; FS="," ; print "extern const char load_fragment_gperf_nulstr[];" ; print "const char load_fragment_gperf_nulstr[] ="} ; keyword==1 { print "\"" $$1 "\\0\"" } ; /%%/ { keyword=1} ; END { print ";" }' < $< > $@ || rm $@
$(AWK) 'BEGIN{ keywords=0 ; FS="," ; print "extern const char load_fragment_gperf_nulstr[];" ; print "const char load_fragment_gperf_nulstr[] ="} ; keyword==1 { print "\"" $$1 "\\0\"" } ; /%%/ { keyword=1} ; END { print ";" }' < $< > $@
EXTRA_DIST += \
src/core/load-fragment-gperf.gperf.m4
@ -1019,16 +1023,16 @@ BUILT_SOURCES += \
src/core/syscall-to-name.h
src/core/syscall-list.txt: Makefile
$(AM_V_GEN)cpp $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include sys/syscall.h < /dev/null | $(AWK) '/^#define[ \t]+__NR_[^ ]+[ \t]+[0-9]/ { sub(/__NR_/, "", $$2); print $$2; }' > $@ || rm $@
$(AM_V_GEN)cpp $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include sys/syscall.h < /dev/null | $(AWK) '/^#define[ \t]+__NR_[^ ]+[ \t]+[0-9]/ { sub(/__NR_/, "", $$2); print $$2; }' > $@
src/core/syscall-from-name.gperf: src/core/syscall-list.txt Makefile
$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct syscall_name { const char* name; int id; };"; print "%null-strings"; print "%%";} { printf "%s, __NR_%s\n", $$1, $$1 }' < $< > $@ || rm $@
$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct syscall_name { const char* name; int id; };"; print "%null-strings"; print "%%";} { printf "%s, __NR_%s\n", $$1, $$1 }' < $< > $@
src/core/syscall-from-name.h: src/core/syscall-from-name.gperf Makefile
$(AM_V_GEN)$(GPERF) -L ANSI-C -t --ignore-case -N lookup_syscall -H hash_syscall_name -p -C < $< > $@ || rm $@
$(AM_V_GEN)$(GPERF) -L ANSI-C -t --ignore-case -N lookup_syscall -H hash_syscall_name -p -C < $< > $@
src/core/syscall-to-name.h: src/core/syscall-list.txt Makefile
$(AM_V_GEN)$(AWK) 'BEGIN{ print "const char* const syscall_names[] = { "} { printf "[__NR_%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' < $< > $@ || rm $@
$(AM_V_GEN)$(AWK) 'BEGIN{ print "const char* const syscall_names[] = { "} { printf "[__NR_%s] = \"%s\",\n", $$1, $$1 } END{print "};"}' < $< > $@
# ------------------------------------------------------------------------------
systemd_SOURCES = \
@ -2195,16 +2199,16 @@ dist_udevkeymapforcerel_DATA = \
src/udev/keymap/keys.txt: Makefile
$(AM_V_at)mkdir -p src/udev/keymap
$(AM_V_GEN)cpp $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include linux/input.h < /dev/null | $(AWK) '/^#define[ \t]+KEY_[^ ]+[ \t]+[0-9]/ { if ($$2 != "KEY_MAX") { print $$2 } }' | sed 's/^KEY_COFFEE$$/KEY_SCREENLOCK/' > $@ || rm $@
$(AM_V_GEN)cpp $(AM_CPPFLAGS) $(CPPFLAGS) -dM -include linux/input.h < /dev/null | $(AWK) '/^#define[ \t]+KEY_[^ ]+[ \t]+[0-9]/ { if ($$2 != "KEY_MAX") { print $$2 } }' | sed 's/^KEY_COFFEE$$/KEY_SCREENLOCK/' > $@
src/udev/keymap/keys-from-name.gperf: src/udev/keymap/keys.txt Makefile
$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct key { const char* name; unsigned short id; };"; print "%null-strings"; print "%%";} { print $$1 ", " $$1 }' < $< > $@ || rm $@
$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct key { const char* name; unsigned short id; };"; print "%null-strings"; print "%%";} { print $$1 ", " $$1 }' < $< > $@
src/udev/keymap/keys-from-name.h: src/udev/keymap/keys-from-name.gperf Makefile
$(AM_V_GEN)$(GPERF) -L ANSI-C -t --ignore-case -N lookup_key -H hash_key_name -p -C < $< > $@ || rm $@
$(AM_V_GEN)$(GPERF) -L ANSI-C -t --ignore-case -N lookup_key -H hash_key_name -p -C < $< > $@
src/udev/keymap/keys-to-name.h: src/udev/keymap/keys.txt Makefile
$(AM_V_GEN)$(AWK) 'BEGIN{ print "const char* const key_names[KEY_CNT] = { "} { print "[" $$1 "] = \"" $$1 "\"," } END{print "};"}' < $< > $@ || rm $@
$(AM_V_GEN)$(AWK) 'BEGIN{ print "const char* const key_names[KEY_CNT] = { "} { print "[" $$1 "] = \"" $$1 "\"," } END{print "};"}' < $< > $@
endif
# ------------------------------------------------------------------------------
@ -3323,7 +3327,7 @@ SED_PROCESS = \
-e 's,@rootprefix\@,$(rootprefix),g' \
-e 's,@udevlibexecdir\@,$(udevlibexecdir),g' \
-e 's,@sushell\@,$(sushell),g' \
< $< > $@ || rm $@
< $< > $@
units/%: units/%.in Makefile
$(SED_PROCESS)
@ -3356,15 +3360,15 @@ src/%.c: src/%.gperf
src/%: src/%.m4
$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
$(M4) -P $(M4_DEFINES) < $< > $@ || rm $@
$(M4) -P $(M4_DEFINES) < $< > $@
M4_PROCESS_SYSTEM = \
$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
$(M4) -P $(M4_DEFINES) -DFOR_SYSTEM=1 < $< > $@ || rm $@
$(M4) -P $(M4_DEFINES) -DFOR_SYSTEM=1 < $< > $@
M4_PROCESS_USER = \
$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
$(M4) -P $(M4_DEFINES) -DFOR_USER=1 < $< > $@ || rm $@
$(M4) -P $(M4_DEFINES) -DFOR_USER=1 < $< > $@
units/%: units/%.m4 Makefile
$(M4_PROCESS_SYSTEM)