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Libbacktrace: Fix the use of newline in sed replacement

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On non-ELF targets, the Makefile needs a newline inside the sed REPLACE
string. The way it is currently done fails with GNU Make < 4, but GCC
only requires "GNU make version 3.80 (or later)".

The portable solution is given in the autoconf manual:
https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Newlines-in-Make-Rules.html

libbacktrace/ChangeLog:

	PR libbacktrace/103822

	* Makefile.am: Fix newline.
	* Makefile.in: Regenerate.
This commit is contained in:
Francois-Xavier Coudert
2021-12-28 23:28:49 +01:00
committed by Ian Lance Taylor
parent 96bc206df0
commit e652e16083
2 changed files with 8 additions and 8 deletions
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8
Makefile.am
View File

@@ -156,18 +156,18 @@ endif HAVE_OBJCOPY_DEBUGLINK
endif HAVE_ELF endif HAVE_ELF
elf_%.c: elf.c elf_%.c: elf.c
nlinit=`echo 'nl="'; echo '"'`; eval "$$nlinit"; \
SEARCH='#error "Unknown BACKTRACE_ELF_SIZE"'; \ SEARCH='#error "Unknown BACKTRACE_ELF_SIZE"'; \
REPLACE='#undef BACKTRACE_ELF_SIZE\ REPLACE="#undef BACKTRACE_ELF_SIZE\\$${nl}#define BACKTRACE_ELF_SIZE"; \
#define BACKTRACE_ELF_SIZE'; \
$(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \ $(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \
$< \ $< \
> $@.tmp > $@.tmp
mv $@.tmp $@ mv $@.tmp $@
xcoff_%.c: xcoff.c xcoff_%.c: xcoff.c
nlinit=`echo 'nl="'; echo '"'`; eval "$$nlinit"; \
SEARCH='#error "Unknown BACKTRACE_XCOFF_SIZE"'; \ SEARCH='#error "Unknown BACKTRACE_XCOFF_SIZE"'; \
REPLACE='#undef BACKTRACE_XCOFF_SIZE\ REPLACE="#undef BACKTRACE_XCOFF_SIZE\\$${nl}#define BACKTRACE_XCOFF_SIZE"; \
#define BACKTRACE_XCOFF_SIZE'; \
$(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \ $(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \
$< \ $< \
> $@.tmp > $@.tmp

8
Makefile.in
View File

@@ -2647,18 +2647,18 @@ uninstall-am: uninstall-includeHEADERS uninstall-libLTLIBRARIES
@HAVE_ELF_TRUE@@HAVE_OBJCOPY_DEBUGLINK_TRUE@@NATIVE_TRUE@ mv $@.tmp $@ @HAVE_ELF_TRUE@@HAVE_OBJCOPY_DEBUGLINK_TRUE@@NATIVE_TRUE@ mv $@.tmp $@
@NATIVE_TRUE@elf_%.c: elf.c @NATIVE_TRUE@elf_%.c: elf.c
@NATIVE_TRUE@ nlinit=`echo 'nl="'; echo '"'`; eval "$$nlinit"; \
@NATIVE_TRUE@ SEARCH='#error "Unknown BACKTRACE_ELF_SIZE"'; \ @NATIVE_TRUE@ SEARCH='#error "Unknown BACKTRACE_ELF_SIZE"'; \
@NATIVE_TRUE@ REPLACE='#undef BACKTRACE_ELF_SIZE\ @NATIVE_TRUE@ REPLACE="#undef BACKTRACE_ELF_SIZE\\$${nl}#define BACKTRACE_ELF_SIZE"; \
@NATIVE_TRUE@ #define BACKTRACE_ELF_SIZE'; \
@NATIVE_TRUE@ $(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \ @NATIVE_TRUE@ $(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \
@NATIVE_TRUE@ $< \ @NATIVE_TRUE@ $< \
@NATIVE_TRUE@ > $@.tmp @NATIVE_TRUE@ > $@.tmp
@NATIVE_TRUE@ mv $@.tmp $@ @NATIVE_TRUE@ mv $@.tmp $@
@NATIVE_TRUE@xcoff_%.c: xcoff.c @NATIVE_TRUE@xcoff_%.c: xcoff.c
@NATIVE_TRUE@ nlinit=`echo 'nl="'; echo '"'`; eval "$$nlinit"; \
@NATIVE_TRUE@ SEARCH='#error "Unknown BACKTRACE_XCOFF_SIZE"'; \ @NATIVE_TRUE@ SEARCH='#error "Unknown BACKTRACE_XCOFF_SIZE"'; \
@NATIVE_TRUE@ REPLACE='#undef BACKTRACE_XCOFF_SIZE\ @NATIVE_TRUE@ REPLACE="#undef BACKTRACE_XCOFF_SIZE\\$${nl}#define BACKTRACE_XCOFF_SIZE"; \
@NATIVE_TRUE@ #define BACKTRACE_XCOFF_SIZE'; \
@NATIVE_TRUE@ $(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \ @NATIVE_TRUE@ $(SED) "s/^$$SEARCH\$$/$$REPLACE $*/" \
@NATIVE_TRUE@ $< \ @NATIVE_TRUE@ $< \
@NATIVE_TRUE@ > $@.tmp @NATIVE_TRUE@ > $@.tmp