Git.pm: clean generated files.
[gitweb.git] / Makefile
index dda9b9dd79adaa90ded1a646d58634da0b88e9ca..703016725358c7122a211261eca946f17b31452f 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.
 
@@ -91,6 +94,8 @@ CFLAGS = -g -O2 -Wall
 LDFLAGS =
 ALL_CFLAGS = $(CFLAGS)
 ALL_LDFLAGS = $(LDFLAGS)
+PERL_CFLAGS =
+PERL_LDFLAGS =
 STRIP ?= strip
 
 prefix = $(HOME)
@@ -114,6 +119,11 @@ SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
 
 ### --- END CONFIGURATION SECTION ---
 
+# Those must not be GNU-specific; they are shared with perl/ which may
+# be built by a different compiler.
+BASIC_CFLAGS = $(PERL_CFLAGS)
+BASIC_LDFLAGS = $(PERL_LDFLAGS)
+
 SCRIPT_SH = \
        git-bisect.sh git-branch.sh git-checkout.sh \
        git-cherry.sh git-clean.sh git-clone.sh git-commit.sh \
@@ -232,7 +242,7 @@ BUILTIN_OBJS = \
        builtin-update-ref.o
 
 GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
-LIBS = $(GITLIBS) -lz
+EXTLIBS = -lz
 
 #
 # Platform specific tweaks
@@ -251,13 +261,13 @@ ifeq ($(uname_S),Darwin)
        NO_STRLCPY = YesPlease
        ## fink
        ifeq ($(shell test -d /sw/lib && echo y),y)
-               ALL_CFLAGS += -I/sw/include
-               ALL_LDFLAGS += -L/sw/lib
+               BASIC_CFLAGS += -I/sw/include
+               BASIC_LDFLAGS += -L/sw/lib
        endif
        ## darwinports
        ifeq ($(shell test -d /opt/local/lib && echo y),y)
-               ALL_CFLAGS += -I/opt/local/include
-               ALL_LDFLAGS += -L/opt/local/lib
+               BASIC_CFLAGS += -I/opt/local/include
+               BASIC_LDFLAGS += -L/opt/local/lib
        endif
 endif
 ifeq ($(uname_S),SunOS)
@@ -277,7 +287,7 @@ ifeq ($(uname_S),SunOS)
        endif
        INSTALL = ginstall
        TAR = gtar
-       ALL_CFLAGS += -D__EXTENSIONS__
+       BASIC_CFLAGS += -D__EXTENSIONS__
 endif
 ifeq ($(uname_O),Cygwin)
        NO_D_TYPE_IN_DIRENT = YesPlease
@@ -295,21 +305,22 @@ ifeq ($(uname_O),Cygwin)
 endif
 ifeq ($(uname_S),FreeBSD)
        NEEDS_LIBICONV = YesPlease
-       ALL_CFLAGS += -I/usr/local/include
-       ALL_LDFLAGS += -L/usr/local/lib
+       BASIC_CFLAGS += -I/usr/local/include
+       BASIC_LDFLAGS += -L/usr/local/lib
 endif
 ifeq ($(uname_S),OpenBSD)
        NO_STRCASESTR = YesPlease
        NEEDS_LIBICONV = YesPlease
-       ALL_CFLAGS += -I/usr/local/include
-       ALL_LDFLAGS += -L/usr/local/lib
+       BASIC_CFLAGS += -I/usr/local/include
+       BASIC_LDFLAGS += -L/usr/local/lib
 endif
 ifeq ($(uname_S),NetBSD)
        ifeq ($(shell expr "$(uname_R)" : '[01]\.'),2)
                NEEDS_LIBICONV = YesPlease
        endif
-       ALL_CFLAGS += -I/usr/pkg/include
-       ALL_LDFLAGS += -L/usr/pkg/lib -Wl,-rpath,/usr/pkg/lib
+       BASIC_CFLAGS += -I/usr/pkg/include
+       BASIC_LDFLAGS += -L/usr/pkg/lib
+       ALL_LDFLAGS += -Wl,-rpath,/usr/pkg/lib
 endif
 ifeq ($(uname_S),AIX)
        NO_STRCASESTR=YesPlease
@@ -323,13 +334,16 @@ ifeq ($(uname_S),IRIX64)
        NO_STRLCPY = YesPlease
        NO_SOCKADDR_STORAGE=YesPlease
        SHELL_PATH=/usr/gnu/bin/bash
-       ALL_CFLAGS += -DPATH_MAX=1024
+       BASIC_CFLAGS += -DPATH_MAX=1024
        # for now, build 32-bit version
-       ALL_LDFLAGS += -L/usr/lib32
+       BASIC_LDFLAGS += -L/usr/lib32
 endif
 ifneq (,$(findstring arm,$(uname_M)))
        ARM_SHA1 = YesPlease
 endif
+ifeq ($(uname_M),x86_64)
+       USE_PIC = YesPlease
+endif
 
 -include config.mak
 
@@ -346,7 +360,7 @@ endif
 ifndef NO_CURL
        ifdef CURLDIR
                # This is still problematic -- gcc does not always want -R.
-               ALL_CFLAGS += -I$(CURLDIR)/include
+               BASIC_CFLAGS += -I$(CURLDIR)/include
                CURL_LIBCURL = -L$(CURLDIR)/lib -R$(CURLDIR)/lib -lcurl
        else
                CURL_LIBCURL = -lcurl
@@ -367,13 +381,13 @@ ifndef NO_OPENSSL
        OPENSSL_LIBSSL = -lssl
        ifdef OPENSSLDIR
                # Again this may be problematic -- gcc does not always want -R.
-               ALL_CFLAGS += -I$(OPENSSLDIR)/include
+               BASIC_CFLAGS += -I$(OPENSSLDIR)/include
                OPENSSL_LINK = -L$(OPENSSLDIR)/lib -R$(OPENSSLDIR)/lib
        else
                OPENSSL_LINK =
        endif
 else
-       ALL_CFLAGS += -DNO_OPENSSL
+       BASIC_CFLAGS += -DNO_OPENSSL
        MOZILLA_SHA1 = 1
        OPENSSL_LIBSSL =
 endif
@@ -385,29 +399,29 @@ endif
 ifdef NEEDS_LIBICONV
        ifdef ICONVDIR
                # Again this may be problematic -- gcc does not always want -R.
-               ALL_CFLAGS += -I$(ICONVDIR)/include
+               BASIC_CFLAGS += -I$(ICONVDIR)/include
                ICONV_LINK = -L$(ICONVDIR)/lib -R$(ICONVDIR)/lib
        else
                ICONV_LINK =
        endif
-       LIBS += $(ICONV_LINK) -liconv
+       EXTLIBS += $(ICONV_LINK) -liconv
 endif
 ifdef NEEDS_SOCKET
-       LIBS += -lsocket
+       EXTLIBS += -lsocket
        SIMPLE_LIB += -lsocket
 endif
 ifdef NEEDS_NSL
-       LIBS += -lnsl
+       EXTLIBS += -lnsl
        SIMPLE_LIB += -lnsl
 endif
 ifdef NO_D_TYPE_IN_DIRENT
-       ALL_CFLAGS += -DNO_D_TYPE_IN_DIRENT
+       BASIC_CFLAGS += -DNO_D_TYPE_IN_DIRENT
 endif
 ifdef NO_D_INO_IN_DIRENT
-       ALL_CFLAGS += -DNO_D_INO_IN_DIRENT
+       BASIC_CFLAGS += -DNO_D_INO_IN_DIRENT
 endif
 ifdef NO_SYMLINK_HEAD
-       ALL_CFLAGS += -DNO_SYMLINK_HEAD
+       BASIC_CFLAGS += -DNO_SYMLINK_HEAD
 endif
 ifdef NO_STRCASESTR
        COMPAT_CFLAGS += -DNO_STRCASESTR
@@ -430,13 +444,13 @@ ifdef NO_MMAP
        COMPAT_OBJS += compat/mmap.o
 endif
 ifdef NO_IPV6
-       ALL_CFLAGS += -DNO_IPV6
+       BASIC_CFLAGS += -DNO_IPV6
 endif
 ifdef NO_SOCKADDR_STORAGE
 ifdef NO_IPV6
-       ALL_CFLAGS += -Dsockaddr_storage=sockaddr_in
+       BASIC_CFLAGS += -Dsockaddr_storage=sockaddr_in
 else
-       ALL_CFLAGS += -Dsockaddr_storage=sockaddr_in6
+       BASIC_CFLAGS += -Dsockaddr_storage=sockaddr_in6
 endif
 endif
 ifdef NO_INET_NTOP
@@ -444,7 +458,7 @@ ifdef NO_INET_NTOP
 endif
 
 ifdef NO_ICONV
-       ALL_CFLAGS += -DNO_ICONV
+       BASIC_CFLAGS += -DNO_ICONV
 endif
 
 ifdef PPC_SHA1
@@ -460,12 +474,15 @@ ifdef MOZILLA_SHA1
        LIB_OBJS += mozilla-sha1/sha1.o
 else
        SHA1_HEADER = <openssl/sha.h>
-       LIBS += $(LIB_4_CRYPTO)
+       EXTLIBS += $(LIB_4_CRYPTO)
+endif
 endif
 endif
+ifdef USE_PIC
+       ALL_CFLAGS += -fPIC
 endif
 ifdef NO_ACCURATE_DIFF
-       ALL_CFLAGS += -DNO_ACCURATE_DIFF
+       BASIC_CFLAGS += -DNO_ACCURATE_DIFF
 endif
 
 # Shell quote (do not use $(call) to accomodate ancient setups);
@@ -483,9 +500,17 @@ PERL_PATH_SQ = $(subst ','\'',$(PERL_PATH))
 PYTHON_PATH_SQ = $(subst ','\'',$(PYTHON_PATH))
 GIT_PYTHON_DIR_SQ = $(subst ','\'',$(GIT_PYTHON_DIR))
 
-ALL_CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER_SQ)' $(COMPAT_CFLAGS)
+LIBS = $(GITLIBS) $(EXTLIBS)
+
+BASIC_CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER_SQ)' $(COMPAT_CFLAGS)
 LIB_OBJS += $(COMPAT_OBJS)
+
+ALL_CFLAGS += $(BASIC_CFLAGS)
+ALL_LDFLAGS += $(BASIC_LDFLAGS)
+
 export prefix TAR INSTALL DESTDIR SHELL_PATH template_dir
+
+
 ### Build rules
 
 all: $(ALL_PROGRAMS) $(BUILT_INS) git$X gitk
@@ -521,9 +546,12 @@ $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
        chmod +x $@+
        mv $@+ $@
 
-$(patsubst %.perl,%,$(SCRIPT_PERL)) : % : %.perl
+$(patsubst %.perl,%,$(SCRIPT_PERL)): perl/Makefile
+$(patsubst %.perl,%,$(SCRIPT_PERL)): % : %.perl
        rm -f $@ $@+
-       sed -e '1s|#!.*perl\(.*\)|#!$(PERL_PATH_SQ)\1 -I'"$$(make -s -C perl instlibdir)"'|' \
+       INSTLIBDIR=`$(MAKE) -C perl -s --no-print-directory instlibdir` && \
+       sed -e '1s|#!.*perl\(.*\)|#!$(PERL_PATH_SQ)\1|' \
+           -e 's|@@INSTLIBDIR@@|'"$$INSTLIBDIR"'|g' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            $@.perl >$@+
        chmod +x $@+
@@ -609,11 +637,15 @@ $(XDIFF_LIB): $(XDIFF_OBJS)
        rm -f $@ && $(AR) rcs $@ $(XDIFF_OBJS)
 
 
-perl/Makefile: perl/Git.pm perl/Makefile.PL
+PERL_DEFINE = $(BASIC_CFLAGS) -DGIT_VERSION='"$(GIT_VERSION)"'
+PERL_DEFINE_SQ = $(subst ','\'',$(PERL_DEFINE))
+PERL_LIBS = $(BASIC_LDFLAGS) $(EXTLIBS)
+PERL_LIBS_SQ = $(subst ','\'',$(PERL_LIBS))
+perl/Makefile: perl/Git.pm perl/Makefile.PL GIT-CFLAGS
        (cd perl && $(PERL_PATH) Makefile.PL \
-               PREFIX="$(prefix)" \
-               DEFINE="$(ALL_CFLAGS) -DGIT_VERSION=\\\"$(GIT_VERSION)\\\"" \
-               LIBS="$(LIBS)")
+               PREFIX='$(prefix_SQ)' \
+               DEFINE='$(PERL_DEFINE_SQ)' \
+               LIBS='$(PERL_LIBS_SQ)')
 
 doc:
        $(MAKE) -C Documentation all
@@ -738,7 +770,8 @@ 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
-       [ ! -e perl/Makefile ] || $(MAKE) -C perl/ clean
+       [ ! -f perl/Makefile ] || $(MAKE) -C perl/ clean || $(MAKE) -C perl/ clean
+       rm -f perl/ppport.h perl/Makefile.old
        $(MAKE) -C templates/ clean
        $(MAKE) -C t/ clean
        rm -f GIT-VERSION-FILE GIT-CFLAGS