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From: gdb-buildbot@sergiodj.net To: gdb-testers@sourceware.org Subject: [binutils-gdb] gdbserver: fix Makefile dependency of regformat-generated files on regdat.sh Date: Mon, 13 Jan 2020 20:04:00 -0000 [thread overview] Message-ID: <4025fa094d2420134acc4fea2049e707df8ecd01@gdb-build> (raw) *** TEST RESULTS FOR COMMIT 4025fa094d2420134acc4fea2049e707df8ecd01 *** commit 4025fa094d2420134acc4fea2049e707df8ecd01 Author: Simon Marchi <simon.marchi@efficios.com> AuthorDate: Mon Jan 13 13:57:32 2020 -0500 Commit: Simon Marchi <simon.marchi@efficios.com> CommitDate: Mon Jan 13 13:58:02 2020 -0500 gdbserver: fix Makefile dependency of regformat-generated files on regdat.sh The intent of the rules modified by this patch is that the *-generated.c files generated by regdat.sh are re-generated in the event that regdat.sh is modified. However, if I build, touch regdat.sh, and build again, the files are not re-generated during the second build. This is because regdat.sh is specified as an order-only dependency [1], after the pipe. Make therefore only ensures that regdat.sh exists before generating the target file, it doesn't check the timestamp of regdat.sh. This patch changes it to be a regular prerequisite. The rules use the $< variable, which is substituted by the first prerequisite only, so the command lines won't change. [1] https://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html gdb/gdbserver/ChangeLog: * Makefile.in (%-generated.c): Make $(regdat_sh) a regular prerequisite. diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index 67d39beba5..730c53a2e8 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,3 +1,8 @@ +2020-01-13 Simon Marchi <simon.marchi@efficios.com> + + * Makefile.in (%-generated.c): Make $(regdat_sh) a regular + prerequisite. + 2020-01-12 Simon Marchi <simon.marchi@polymtl.ca> * linux-arm-tdesc.c: Include linux-arm-tdesc.h. diff --git a/gdb/gdbserver/Makefile.in b/gdb/gdbserver/Makefile.in index 1125426778..fd43e407b8 100644 --- a/gdb/gdbserver/Makefile.in +++ b/gdb/gdbserver/Makefile.in @@ -648,16 +648,16 @@ gdbsupport/%.o: ../gdbsupport/%.c # Rules for register format descriptions. Suffix destination files with # -generated to identify and clean them easily. -%-generated.c: ../regformats/%.dat | $(regdat_sh) +%-generated.c: ../regformats/%.dat $(regdat_sh) $(ECHO_REGDAT) $(SHELL) $(regdat_sh) $< $@ -%-generated.c: ../regformats/arm/%.dat | $(regdat_sh) +%-generated.c: ../regformats/arm/%.dat $(regdat_sh) $(ECHO_REGDAT) $(SHELL) $(regdat_sh) $< $@ -%-generated.c: ../regformats/i386/%.dat | $(regdat_sh) +%-generated.c: ../regformats/i386/%.dat $(regdat_sh) $(ECHO_REGDAT) $(SHELL) $(regdat_sh) $< $@ -%-generated.c: ../regformats/rs6000/%.dat | $(regdat_sh) +%-generated.c: ../regformats/rs6000/%.dat $(regdat_sh) $(ECHO_REGDAT) $(SHELL) $(regdat_sh) $< $@ #
next reply other threads:[~2020-01-13 19:48 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-13 20:04 gdb-buildbot [this message] 2020-01-13 19:56 ` Failures on Ubuntu-Aarch64-native-gdbserver-m64, branch master gdb-buildbot 2020-01-15 13:49 ` Failures on Fedora-x86_64-cc-with-index, " gdb-buildbot 2020-01-15 13:49 ` Failures on Fedora-x86_64-m32, " gdb-buildbot 2020-01-15 14:07 ` Failures on Fedora-x86_64-m64, " gdb-buildbot 2020-01-15 14:42 ` Failures on Fedora-x86_64-native-gdbserver-m32, " gdb-buildbot 2020-01-15 15:14 ` Failures on Fedora-x86_64-native-extended-gdbserver-m64, " gdb-buildbot 2020-01-15 15:23 ` Failures on Fedora-x86_64-native-gdbserver-m64, " gdb-buildbot
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