For PR764:
Don't check in the LibDeps.txt and FinalLibDeps.txt files to CVS because
the content differs from platform to platform. Instead, adjust the makefile
so that a dummy llvm-config is built if Perl is not available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28084 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-config/Makefile b/tools/llvm-config/Makefile
index 81a0103..f4e4315 100644
--- a/tools/llvm-config/Makefile
+++ b/tools/llvm-config/Makefile
@@ -9,10 +9,15 @@
LEVEL = ../..
-EXTRA_DIST = LibDeps.txt llvm-config.in.in find-cycles.pl
+EXTRA_DIST = LibDeps.txt FinalLibDeps.txt llvm-config.in.in find-cycles.pl
include $(LEVEL)/Makefile.common
+# If we don't have Perl, we can't generate the library dependencies upon which
+# llvm-config depends. Therefore, only if we detect perl will we do anything
+# useful.
+ifeq ($(HAVE_PERL),1)
+
# Combine preprocessor flags (except for -I) and CXX flags.
SUB_CXXFLAGS = ${CPP.BaseFlags} ${CXX.Flags}
@@ -21,10 +26,8 @@
# user to use libtool when linking against LLVM.
SUB_LDFLAGS =
-FinalLibDeps = $(PROJ_SRC_DIR)/FinalLibDeps.txt
-ifdef HAVE_PERL
-ifeq ($(HAVE_PERL),1)
-LibDeps = $(PROJ_SRC_DIR)/LibDeps.txt
+FinalLibDeps = $(PROJ_OBJ_DIR)/FinalLibDeps.txt
+LibDeps = $(PROJ_OBJ_DIR)/LibDeps.txt
GenLibDeps = $(PROJ_SRC_ROOT)/utils/GenLibDeps.pl
# MANUAL USE ONLY! GenLibDeps.pl is very non-portable, so LibDeps.txt
# should only be re-built manually. No other rule in this file should
@@ -37,9 +40,7 @@
# don't have to process them at runtime.
$(FinalLibDeps): find-cycles.pl $(LibDeps)
$(Echo) "Finding cyclic dependencies between LLVM libraries."
- $(Verb) $(PERL) $< < $(PROJ_SRC_DIR)/LibDeps.txt > $@
-endif
-endif
+ $(Verb) $(PERL) $< < $(LibDeps) > $@
# Rerun our configure substitutions as needed.
ConfigInIn = $(PROJ_SRC_DIR)/llvm-config.in.in
@@ -56,13 +57,23 @@
$(Verb) $(SED) -f temp.sed < $< > $@
$(Verb) $(RM) temp.sed
$(Verb) cat $(FinalLibDeps) >> $@
- $(Verb) chmod +x llvm-config
+ $(Verb) chmod +x $@
+else
+# We don't have perl, just generate a dummy llvm-config
+llvm-config:
+ $(Echo) "Building place holder llvm-config script."
+ $(Verb) $(ECHO) 'echo llvm-config: Perl not found so llvm-config could not be generated' >> $@
+ $(Verb) chmod +x $@
+
+endif
# Hook into the standard Makefile rules.
all-local:: llvm-config
clean-local::
- $(Verb) $(RM) -f llvm-config llvm-config.in
+ $(Verb) $(RM) -f llvm-config llvm-config.in $(FinalLibDeps) $(LibDeps) \
+ GenLibDeps.out
install-local:: all-local
$(Echo) Installing llvm-config
$(Verb) $(MKDIR) $(PROJ_bindir)
$(Verb) $(ScriptInstall) llvm-config $(PROJ_bindir)
+