Perl interface: add build-time configuration to allow building with -fPIC

diff --git a/Makefile b/Makefile
index cde619c498da717ea665430f7d395358d0b1d06e..aa0618ed832e98bf520b9b4b6401b5951b208abc 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,6 @@
 # The default target of this Makefile is...
 all:
 
-# Define MOZILLA_SHA1 environment variable when running make to make use of
-# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
-# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
-# choice) has very fast version optimized for i586.
-#
 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
 # This also implies MOZILLA_SHA1.
 #
@@ -39,6 +34,14 @@ all:
 # Define ARM_SHA1 environment variable when running make to make use of
 # a bundled SHA1 routine optimized for ARM.
 #
+# Define MOZILLA_SHA1 environment variable when running make to make use of
+# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
+# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
+# choice) has very fast version optimized for i586.
+#
+# Define USE_PIC if you need the main git objects to be built with -fPIC
+# in order to build and link perl/Git.so.  x86-64 seems to need this.
+#
 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
 #
 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
@@ -65,13 +68,13 @@ all:
 # Define COLLISION_CHECK below if you believe that SHA1's
 # 1461501637330902918203684832716283019655932542976 hashes do not give you
 # sufficient guarantee that no collisions between objects will ever happen.
-
+#
 # Define USE_NSEC below if you want git to care about sub-second file mtimes
 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
 # randomly break unless your underlying filesystem supports those sub-second
 # times (my ext3 doesn't).
-
+#
 # Define USE_STDEV below if you want git to care about the underlying device
 # change being considered an inode change from the update-cache perspective.
 
@@ -464,6 +467,9 @@ else
 endif
 endif
 endif
+ifdef USE_PIC
+       ALL_CFLAGS += -fPIC
+endif
 ifdef NO_ACCURATE_DIFF
        ALL_CFLAGS += -DNO_ACCURATE_DIFF
 endif
@@ -490,7 +496,8 @@ export prefix TAR INSTALL DESTDIR SHELL_PATH template_dir
 
 all: $(ALL_PROGRAMS) $(BUILT_INS) git$X gitk
 
-all:
+all: perl/Makefile
+       $(MAKE) -C perl
        $(MAKE) -C templates
 
 strip: $(PROGRAMS) git$X
@@ -522,7 +529,7 @@ $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
 
 $(patsubst %.perl,%,$(SCRIPT_PERL)) : % : %.perl
        rm -f $@ $@+
-       sed -e '1s|#!.*perl|#!$(PERL_PATH_SQ)|' \
+       sed -e '1s|#!.*perl\(.*\)|#!$(PERL_PATH_SQ)\1 -I'"$$(make -s -C perl instlibdir)"'|' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            $@.perl >$@+
        chmod +x $@+
@@ -608,6 +615,12 @@ $(XDIFF_LIB): $(XDIFF_OBJS)
        rm -f $@ && $(AR) rcs $@ $(XDIFF_OBJS)
 
 
+perl/Makefile: perl/Git.pm perl/Makefile.PL
+       (cd perl && $(PERL_PATH) Makefile.PL \
+               PREFIX="$(prefix)" \
+               DEFINE="$(ALL_CFLAGS) -DGIT_VERSION=\\\"$(GIT_VERSION)\\\"" \
+               LIBS="$(LIBS)")
+
 doc:
        $(MAKE) -C Documentation all
 
@@ -663,6 +676,7 @@ install: all
        $(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
        $(INSTALL) git$X gitk '$(DESTDIR_SQ)$(bindir_SQ)'
        $(MAKE) -C templates install
+       $(MAKE) -C perl install
        $(INSTALL) -d -m755 '$(DESTDIR_SQ)$(GIT_PYTHON_DIR_SQ)'
        $(INSTALL) $(PYMODULES) '$(DESTDIR_SQ)$(GIT_PYTHON_DIR_SQ)'
        if test 'z$(bindir_SQ)' != 'z$(gitexecdir_SQ)'; \
@@ -730,7 +744,8 @@ clean:
        rm -f $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
        rm -f $(htmldocs).tar.gz $(manpages).tar.gz
        $(MAKE) -C Documentation/ clean
-       $(MAKE) -C templates clean
+       [ ! -e perl/Makefile ] || $(MAKE) -C perl/ clean
+       $(MAKE) -C templates/ clean
        $(MAKE) -C t/ clean
        rm -f GIT-VERSION-FILE GIT-CFLAGS