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gcc: check if target install name equals the full driver name

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When a major version program suffix is specified, along with
--with-gcc-major-version-only, GCC tries to install $TRIPLE-gcc-tmp into
the destination BINDIR and link it to TRIPLE-gcc-SUFFIX. However this
executable is installed in the previous step, thus leaving the gcc-tmp
unmodified.

This is because when --program-suffix=15 (any major version) and
--with-gcc-major-version-only, $(version) will be the major version
number, thus making FULL_DRIVER_NAME and GCC_TARGET_INSTALL_NAME
identical to each other. We check if these two is identical and skip the
latter step if they are.

gcc/
	PR bootstrap/105664
	* Makefile.in (install-driver): detect name collision when
	installing the driver program.

Signed-off-by: Xinhui Yang <cyan@cyano.uk>
This commit is contained in:
Xinhui Yang
2025-11-11 10:19:35 +08:00
committed by Xi Ruoyao
parent 240b502bb2
commit 722bd68476
1 changed files with 2 additions and 1 deletions
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3
gcc/Makefile.in
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@@ -4253,7 +4253,8 @@ install-driver: installdirs xgcc$(exeext)
$(LN) $(GCC_INSTALL_NAME)$(exeext) $(FULL_DRIVER_NAME) ); \
fi; \
if [ ! -f gcc-cross$(exeext) ] \
&& [ "$(GCC_INSTALL_NAME)" != "$(GCC_TARGET_INSTALL_NAME)" ]; then \
&& [ "$(GCC_INSTALL_NAME)" != "$(GCC_TARGET_INSTALL_NAME)" ] \
&& [ "$(GCC_TARGET_INSTALL_NAME)$(exeext)" != "$(FULL_DRIVER_NAME)" ] ; then \
rm -f $(DESTDIR)$(bindir)/$(target_noncanonical)-gcc-tmp$(exeext); \
( cd $(DESTDIR)$(bindir) && \
$(LN) $(GCC_INSTALL_NAME)$(exeext) $(target_noncanonical)-gcc-tmp$(exeext) && \