diff options
Diffstat (limited to 'src/Makefile.global.in')
| -rw-r--r-- | src/Makefile.global.in | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/src/Makefile.global.in b/src/Makefile.global.in index 2c3e85f2d5..1b0016a9d2 100644 --- a/src/Makefile.global.in +++ b/src/Makefile.global.in @@ -7,7 +7,7 @@ # # # IDENTIFICATION -# $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.86 2000/07/09 13:13:59 petere Exp $ +# $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.87 2000/07/16 14:50:41 petere Exp $ # # NOTES # Essentially all Postgres make files include this file and use the @@ -283,3 +283,71 @@ STRDUP = @STRDUP@ .PHONY: all install installdirs uninstall dep depend clean distclean maintainer-clean .SILENT: installdirs + +# make `all' the default target +all: + +$(top_builddir)/src/Makefile.global: $(top_srcdir)/src/Makefile.global.in $(top_builddir)/config.status + cd $(top_builddir) && CONFIG_FILES=src/Makefile.global CONFIG_HEADERS= ./config.status + +$(top_builddir)/config.status: $(top_srcdir)/configure + cd $(top_builddir) && ./config.status --recheck + + + + +COMPILE.c = $(CC) -c $(CPPFLAGS) $(CFLAGS) + +# Automatic dependency generation +# ------------------------------- +# When we configure with --enable-depend then we override the default +# compilation rule with the magic below. While or after creating the +# actual output file we also create a dependency list for the .c file. +# Next time we invoke make we will have top-notch information about +# whether this file needs to be updated. The dependency files are kept +# in the .deps subdirectory of each directory. +# +# The sed command is necessary to post-process the dependency file: +# Each dependency file becomes a target of its own, without +# dependencies or commands. This is because if you happen to remove a +# file that is a dependency (say, you rename a header file) the +# dependency would point to a non-existing file and make would fail. +# But if the file is listed as a target of its own, without +# prerequisites and commands, and doesn't exist then make will +# consider it updated. (That in turn also has the nice side effect +# that make will update all files that depended on the now removed +# file.) + +autodepend = @autodepend@ + +ifdef autodepend + +DEPDIR = .deps +df = $(DEPDIR)/$(*F) + +ifeq ($(GCC), yes) + +# GCC allows us to create object and dependency file in one invocation. +%.o : %.c + $(COMPILE.c) -MMD $< -o $@ + @if test ! -d $(DEPDIR); then mkdir $(DEPDIR); fi; \ + cp $*.d $(df).P; \ + sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \ + -e '/^$$/ d' -e 's/$$/ :/' < $*.d >> $(df).P; \ + rm -f $*.d + +endif # GCC + +# Include all the dependency files generated for the current +# directory. List /dev/null as dummy because if the wildcard expands +# to nothing then make would complain. +-include $(wildcard $(DEPDIR)/*.P) /dev/null + +# hook for clean-up +clean: clean-deps + +.PHONY: clean-deps +clean-deps: + @rm -rf $(DEPDIR) + +endif # autodepend |