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Current File : //compat/linux/proc/self/root/usr/local/share/automake-1.4/depend2.am |
## automake - create Makefile.in from Makefile.am ## Copyright (C) 1994-1998, 1999 Free Software Foundation, Inc. ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2, or (at your option) ## any later version. ## This program is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA ## 02111-1307, USA. %.o: %@EXT@ @echo '$(@PFX@COMPILE) -c $<'; \ ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). ## - Using -M directly means running the compiler twice (even worse ## than renaming). $(@PFX@COMPILE) -Wp,-MD,.deps/$(*F).pp -c $< ## This next piece of magic avoids the `deleted header file' problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. @-cp .deps/$(*F).pp .deps/$(*F).P; \ tr ' ' '\012' < .deps/$(*F).pp \ ## Some versions of gcc put a space before the `:'. On the theory ## that the space means something, we add a space to the output as ## well. | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \ >> .deps/$(*F).P; \ rm .deps/$(*F).pp %.lo: %@EXT@ @echo '$(LT@PFX@COMPILE) -c $<'; \ ## See above to understand implementation weirdness. $(LT@PFX@COMPILE) -Wp,-MD,.deps/$(*F).pp -c $< ## Account for versions of gcc that put a space before the `:'. @-sed -e 's/^\([^:]*\)\.o[ ]*:/\1.lo \1.o :/' \ < .deps/$(*F).pp > .deps/$(*F).P; \ ## See above to understand deleted header file trick. tr ' ' '\012' < .deps/$(*F).pp \ ## Some versions of gcc put a space before the `:'. On the theory ## that the space means something, we add a space to the output as ## well. | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \ >> .deps/$(*F).P; \ rm -f .deps/$(*F).pp