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[libbacktrace] Fix and simplify xcoff_%.c pattern rule

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When generating xcoff_%.c, the last command is a sed command.  In case of a
sed failure, this will leave an incomplete file, which will appear as up to
date to make, so consequently it will not be regenerated.  Fix this by
sedding into a temporary file instead.

Also, use $< to access the prerequisite xcoff.c, instead of spelling out the
file name once more.

2019-01-28  Tom de Vries  <tdevries@suse.de>

	* Makefile.am (xcoff_%.c): Generate sed result into temporary file.
	Use $< to access prerequisite.
	* Makefile.in: Regenerate.

From-SVN: r268344
This commit is contained in:
Tom de Vries 2019-01-28 22:21:19 +00:00 committed by Tom de Vries
parent b6d0f41ac5
commit 62d4a355b7
3 changed files with 12 additions and 4 deletions
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6
libbacktrace/ChangeLog
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@ -1,3 +1,9 @@
2019-01-28 Tom de Vries <tdevries@suse.de>
* Makefile.am (xcoff_%.c): Generate sed result into temporary file.
Use $< to access prerequisite.
* Makefile.in: Regenerate.
2019-01-25 Nathan Sidwell <nathan@acm.org>
* elf.c (elf_add): Pass "" filename to recursive call with

5
libbacktrace/Makefile.am
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@ -108,8 +108,9 @@ xcoff_%.c: xcoff.c
REPLACE='#undef BACKTRACE_XCOFF_SIZE\
#define BACKTRACE_XCOFF_SIZE'; \
$(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \
$(srcdir)/xcoff.c \
> $@
$< \
> $@.tmp
mv $@.tmp $@
test_elf_SOURCES = test_format.c testlib.c
test_elf_LDADD = libbacktrace_noformat.la elf.lo

5
libbacktrace/Makefile.in
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@ -1754,8 +1754,9 @@ uninstall-am:
@NATIVE_TRUE@ REPLACE='#undef BACKTRACE_XCOFF_SIZE\
@NATIVE_TRUE@ #define BACKTRACE_XCOFF_SIZE'; \
@NATIVE_TRUE@ $(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \
@NATIVE_TRUE@ $(srcdir)/xcoff.c \
@NATIVE_TRUE@ > $@
@NATIVE_TRUE@ $< \
@NATIVE_TRUE@ > $@.tmp
@NATIVE_TRUE@ mv $@.tmp $@
@NATIVE_TRUE@instrumented_alloc.lo: alloc.c