Add NO_CROSS_DIRECTORY_HARDLINKS support to the Makefile

When the installed programs are tar'ed up and installed on a system where
bin/ and libexec/git-core/ live on different file systems, we do not want
libexec/git-core/git-* to be hardlinks to bin/git.

Noticed by Cedric Staniewski.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2009-05-11 13:02:18 +02:00 committed by Junio C Hamano
parent a95148dea1
commit 3426e34fed

View File

@ -159,6 +159,9 @@ all::
# Define NO_EXTERNAL_GREP if you don't want "git grep" to ever call
# your external grep (e.g., if your system lacks grep, if its grep is
# broken, or spawning external process is slower than built-in grep git has).
#
# Define NO_CROSS_DIRECTORY_HARDLINKS if you plan to distribute the installed
# programs as a tar, where bin/ and libexec/ might be on different file systems.
GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
@$(SHELL_PATH) ./GIT-VERSION-GEN
@ -1468,6 +1471,7 @@ endif
bindir=$$(cd '$(DESTDIR_SQ)$(bindir_SQ)' && pwd) && \
execdir=$$(cd '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' && pwd) && \
{ $(RM) "$$execdir/git-add$X" && \
test -z "$(NO_CROSS_DIRECTORY_HARDLINKS)" && \
ln "$$bindir/git$X" "$$execdir/git-add$X" 2>/dev/null || \
cp "$$bindir/git$X" "$$execdir/git-add$X"; } && \
{ for p in $(filter-out git-add$X,$(BUILT_INS)); do \