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authorRoland McGrath <roland@gnu.org>2000-03-27 19:42:09 +0000
committerRoland McGrath <roland@gnu.org>2000-03-27 19:42:09 +0000
commit480d827b660a4e13fd5b9a4bacb3df57cad1a5aa (patch)
treef7008331c3b564143156a8d07a5d60c9afb70319 /Makeconfig
parent22d5fbfe74038c925bae4abbb1a911818a77ee42 (diff)
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2000-03-27 Roland McGrath <roland@baalperazim.frob.com>
* Makeconfig (preprocess-versions): New canned sequence for running cpp on shlib-versions and the like. (soversions.i): Use it. * Makerules (Versions.all, sysd-versions): Use it to preprocess the Versions.def and Versions files.
Diffstat (limited to 'Makeconfig')
-rw-r--r--Makeconfig13
1 files changed, 10 insertions, 3 deletions
diff --git a/Makeconfig b/Makeconfig
index daae310cee..56b5d3330b 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -670,6 +670,14 @@ endif
ifeq (yes, $(build-shared))
+# Commands to put in a pipeline to preprocess a file with # comments
+# %ifdef et al based on config.h settings or other %include'd files.
+define preprocess-versions
+sed 's/#.*$$//;s/^[ ]*%/#/' \
+| $(CC) $(CPPFLAGS) -E -undef -include $(common-objpfx)config.h -x c - \
+| sed 's/#.*$$//;/^[ ]*$$/d'
+endef
+
# Process the shlib-versions file, which tells us what shared library
# version numbers to use when we install shared objects on this system.
# We need to wait until $(subdirs) is complete.
@@ -681,9 +689,8 @@ $(common-objpfx)soversions.i: $(..)shlib-versions $(..)Makeconfig \
$(add-ons) \
$(subdirs))) \
$(common-objpfx)config.make
- sed -e 's/#.*$$//;s/^[ ]*%/#/' \
- $(filter-out $(..)Makeconfig $(common-objpfx)config.make,$^) \
- | $(CC) -E -undef -include $(common-objpfx)config.h -x c - \
+ cat $(filter-out $(..)Makeconfig $(common-objpfx)config.make,$^) \
+ | $(preprocess-versions) \
| while read conf version setname; do \
test -n "$$version" && \
test `expr '$(config-machine)-$(config-vendor)-$(config-os)' \