INSTALL = $${srcroot}/install.sh -c
INSTALL_PROGRAM = $(INSTALL)
-INSTALL_DATA = $(INSTALL)
+INSTALL_DATA = $(INSTALL) -m 644
INSTALL_XFORM = $(INSTALL) -t='$(program_transform_name)'
AS = as
AR = ar
AR_FLAGS = rc
CC = cc
+
+# We don't specify -g -O because many compilers don't support -g -O,
+# and/or -O is broken in and of itself.
CFLAGS = -g
+
# start-sanitize-chill
CHILLFLAGS = $(CFLAGS)
CHILL_LIB = -lchill
# end-sanitize-chill
CXX = gcc
+
+# Use -O to stress test the compiler.
CXXFLAGS = -g -O
+
RANLIB = ranlib
NM = nm
-MUNCH_NM = $(NM)
-GZIP = gzip
+# Not plain GZIP, since gzip looks there for extra command-line options.
+GZIPPROG = gzip
# BISON: This line sed'ed to BISON = bison -y for FSF releases, don't remove.
-BISON = `if [ -f $${rootme}/byacc/byacc ] ; \
- then echo $${rootme}/byacc/byacc ; \
+BISON = `if [ -f $$r/byacc/byacc ] ; \
+ then echo $$r/byacc/byacc ; \
else echo byacc ; \
fi`
-LEX = `if [ -f $${rootme}/flex/flex ] ; \
- then echo $${rootme}/flex/flex ; \
+LEX = `if [ -f $$r/flex/flex ] ; \
+ then echo $$r/flex/flex ; \
else echo flex ; fi`
-MAKEINFO = `if [ -f $${rootme}/texinfo/makeinfo/makeinfo ] ; \
- then echo $${rootme}/texinfo/makeinfo/makeinfo ; \
+M4 = `if [ -f $$r/m4/m4 ] ; \
+ then echo $$r/m4/m4 ; \
+ else echo m4 ; fi`
+
+MAKEINFO = `if [ -f $$r/texinfo/makeinfo/makeinfo ] ; \
+ then echo $$r/texinfo/makeinfo/makeinfo ; \
else echo makeinfo ; fi`
+
# This just becomes part of the MAKEINFO definition passed down to
# sub-makes. It lets flags be given on the command line while still
# using the makeinfo from the object tree.
MAKEINFOFLAGS =
-EXPECT = `if [ -f $${rootme}/expect/expect ] ; \
- then echo $${rootme}/expect/expect ; \
+EXPECT = `if [ -f $$r/expect/expect ] ; \
+ then echo $$r/expect/expect ; \
else echo expect ; fi`
RUNTEST = `if [ -f $${srcroot}/dejagnu/runtest ] ; \
install-gcc
CC_FOR_TARGET = ` \
- if [ -f $${rootme}/gcc/Makefile ] ; then \
- echo $${rootme}/gcc/xgcc -B$${rootme}/gcc/; \
+ if [ -f $$r/gcc/Makefile ] ; then \
+ echo $$r/gcc/xgcc -B$$r/gcc/; \
else \
if [ "$(host_canonical)" = "$(target_canonical)" ] ; then \
echo $(CC); \
# start-sanitize-chill
CHILL_FOR_TARGET = ` \
- if [ -f $${rootme}/gcc/Makefile ] ; then \
- echo $${rootme}/gcc/xgcc -B$${rootme}/gcc/ -L$${rootme}/chillrt/; \
+ if [ -f $$r/gcc/Makefile ] ; then \
+ echo $$r/gcc/xgcc -B$$r/gcc/ -L$$r/chillrt/; \
else \
if [ "$(host_canonical)" = "$(target_canonical)" ] ; then \
echo $(CC); \
# end-sanitize-chill
CXX_FOR_TARGET = ` \
- if [ -f $${rootme}/gcc/Makefile ] ; then \
- echo $${rootme}/gcc/xgcc -B$${rootme}/gcc/; \
+ if [ -f $$r/gcc/Makefile ] ; then \
+ echo $$r/gcc/xgcc -B$$r/gcc/; \
else \
if [ "$(host_canonical)" = "$(target_canonical)" ] ; then \
echo $(CXX); \
fi`
AS_FOR_TARGET = ` \
- if [ -f $${rootme}/gas/Makefile ] ; then \
- echo $${rootme}/gas/as.new ; \
+ if [ -f $$r/gas/Makefile ] ; then \
+ echo $$r/gas/as.new ; \
else \
if [ "$(host_canonical)" = "$(target_canonical)" ] ; then \
echo $(AS); \
fi`
AR_FOR_TARGET = ` \
- if [ -f $${rootme}/binutils/Makefile ] ; then \
- echo $${rootme}/binutils/ar ; \
+ if [ -f $$r/binutils/ar ] ; then \
+ echo $$r/binutils/ar ; \
else \
if [ "$(host_canonical)" = "$(target_canonical)" ] ; then \
echo $(AR); \
fi`
RANLIB_FOR_TARGET = ` \
- if [ -f $${rootme}/binutils/Makefile ] ; then \
- echo $${rootme}/binutils/ranlib ; \
+ if [ -f $$r/binutils/ranlib ] ; then \
+ echo $$r/binutils/ranlib ; \
else \
if [ "$(host_canonical)" = "$(target_canonical)" ] ; then \
echo $(RANLIB); \
fi`
NM_FOR_TARGET = ` \
- if [ -f $${rootme}/binutils/Makefile ] ; then \
- echo $${rootme}/binutils/nm ; \
+ if [ -f $$r/binutils/Makefile ] ; then \
+ echo $$r/binutils/nm ; \
else \
if [ "$(host_canonical)" = "$(target_canonical)" ] ; then \
echo $(NM); \
# FIXME: This is badly named.
XTRAFLAGS = ` \
- if [ -f $${rootme}/gcc/Makefile ] ; then \
- if [ -f $${rootme}/newlib/Makefile ] ; then \
- echo -I$${rootme}/newlib/targ-include -I$${srcroot}/newlib/libc/include -I$${rootme}/gcc/include -nostdinc ; \
+ if [ -f $$r/gcc/Makefile ] ; then \
+ if [ -f $$r/newlib/Makefile ] ; then \
+ echo -I$$r/newlib/targ-include -I$${srcroot}/newlib/libc/include -I$$r/gcc/include -nostdinc ; \
else \
- echo -I$${rootme}/gcc/include ; \
+ echo -I$$r/gcc/include ; \
fi ; \
else \
echo ; \
fi`
-PRMS = all-prms
-
#### host and target specific makefile fragments come in here.
###
"INSTALL_XFORM=$(INSTALL_XFORM)" \
"LDFLAGS=$(LDFLAGS)" \
"LEX=$(LEX)" \
+ "M4=$(M4)" \
"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
- "MUNCH_NM=$(MUNCH_NM)" \
"NM_FOR_TARGET=$(NM_FOR_TARGET)" \
- "PRMS=$(PRMS)" \
"RANLIB_FOR_TARGET=$(RANLIB_FOR_TARGET)" \
+ "SHELL=$(SHELL)" \
"EXPECT=$(EXPECT)" \
"RUNTEST=$(RUNTEST)" \
"RUNTESTFLAGS=$(RUNTESTFLAGS)" \
"XTRAFLAGS_FOR_TARGET=$(XTRAFLAGS)" \
+ "YACC=$(BISON)" \
"exec_prefix=$(exec_prefix)" \
"prefix=$(prefix)" \
"tooldir=$(tooldir)"
all-make \
all-mmalloc \
all-opcodes \
+ all-pagas \
all-patch \
all-prms \
all-rcs \
check-make \
check-mmcheckoc \
check-opcodes \
+ check-pagas \
check-patch \
check-prms \
check-rcs \
install-make \
install-mmalloc \
install-opcodes \
+ install-pagas \
install-patch \
install-prms \
install-rcs \
ALL_X11_MODULES = \
all-emacs \
all-expect \
+ all-gash \
all-tclX \
all-tk
CHECK_X11_MODULES = \
check-emacs \
check-expect \
+ check-gash \
check-tclX \
check-tk
INSTALL_X11_MODULES = \
install-emacs \
install-expect \
+ install-gash \
install-tclX \
install-tk
$(start-sanitize-chill) \
all-chillrt \
$(end-sanitize-chill) \
+ all-libio \
all-libg++ \
all-newlib \
all-xiberty
$(start-sanitize-chill) \
check-chillrt \
$(end-sanitize-chill) \
+ check-libio \
check-libg++ \
check-newlib \
check-xiberty
$(start-sanitize-chill) \
install-chillrt \
$(end-sanitize-chill) \
+ install-libio \
install-libg++ \
install-newlib \
install-xiberty
# This is a shell case of all modules which are compiled using
# $(TARGET_FLAGS_TO_PASS), used in the do-X rule.
-TARGET_LIBS = libg++ | newlib | xiberty
+TARGET_LIBS = libio | libg++ | newlib | xiberty
# start-sanitize-chill
-TARGET_LIBS = chillrt | libg++ | newlib | xiberty
+TARGET_LIBS = chillrt | libio | libg++ | newlib | xiberty
# end-sanitize-chill
# The first rule in the file had better be this one. Don't put any above it.
.PHONY: $(DO_X)
$(DO_X):
@target=`echo $@ | sed -e 's/^do-//'`; \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
for i in $(SUBDIRS); do \
if [ -f ./$$i/Makefile ]; then \
.PHONY: install.all
install.all: install-no-fixedincludes
@if [ -f ./gcc/Makefile ] ; then \
- rootme=`pwd` ; export rootme ; \
+ r=`pwd` ; export r ; \
(cd ./gcc; \
$(MAKE) $(FLAGS_TO_PASS) install-headers) ; \
else \
mv gcc/include gcc/tmp-include 2>/dev/null; \
mkdir gcc/include; \
cp $(srcdir)/gcc/gsyslimits.h gcc/include/syslimits.h; \
- touch gcc/stmp-fixinc; \
+ touch gcc/stmp-fixinc gcc/stmp-fixproto; \
rm -f gcc/stmp-headers gcc/stmp-int-hdrs; \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd` ; export srcroot; \
(cd ./gcc; \
$(MAKE) $(GCC_FLAGS_TO_PASS) install); \
$(ALL_MODULES) all-glob:
@dir=`echo $@ | sed -e 's/all-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; $(MAKE) $(FLAGS_TO_PASS) all); \
else \
$(CHECK_MODULES):
@dir=`echo $@ | sed -e 's/check-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; $(MAKE) $(FLAGS_TO_PASS) check); \
else \
$(INSTALL_MODULES): install-dirs
@dir=`echo $@ | sed -e 's/install-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; $(MAKE) $(FLAGS_TO_PASS) install); \
else \
$(ALL_TARGET_MODULES):
@dir=`echo $@ | sed -e 's/all-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; $(MAKE) $(TARGET_FLAGS_TO_PASS) all); \
else \
$(CHECK_TARGET_MODULES):
@dir=`echo $@ | sed -e 's/check-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; $(MAKE) $(TARGET_FLAGS_TO_PASS) check); \
else \
$(INSTALL_TARGET_MODULES): install-dirs
@dir=`echo $@ | sed -e 's/install-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; $(MAKE) $(TARGET_FLAGS_TO_PASS) install); \
else \
$(ALL_X11_MODULES):
@dir=`echo $@ | sed -e 's/all-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; \
$(MAKE) $(FLAGS_TO_PASS) $(X11_FLAGS_TO_PASS) all); \
$(CHECK_X11_MODULES):
@dir=`echo $@ | sed -e 's/check-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; \
$(MAKE) $(FLAGS_TO_PASS) $(X11_FLAGS_TO_PASS) check); \
$(INSTALL_X11_MODULES):
@dir=`echo $@ | sed -e 's/install-//'`; \
if [ -f ./$${dir}/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd $${dir}; \
$(MAKE) $(FLAGS_TO_PASS) $(X11_FLAGS_TO_PASS) install); \
.PHONY: all-gcc
all-gcc:
@if [ -f ./gcc/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd gcc; $(MAKE) $(GCC_FLAGS_TO_PASS) all); \
else \
.PHONY: check-gcc
check-gcc:
@if [ -f ./gcc/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd gcc; $(MAKE) $(GCC_FLAGS_TO_PASS) check); \
else \
.PHONY: install-gcc
install-gcc:
@if [ -f ./gcc/Makefile ] ; then \
- rootme=`pwd`; export rootme; \
+ r=`pwd`; export r; \
srcroot=`cd $(srcdir); pwd`; export srcroot; \
(cd gcc; $(MAKE) $(GCC_FLAGS_TO_PASS) install); \
else \
fi
# This is a list of inter-dependencies among modules.
-all-autoconf:
+all-autoconf: all-m4
all-bfd:
all-binutils: all-libiberty all-opcodes all-bfd all-flex
all-byacc:
all-find:
all-flex: all-libiberty all-byacc
all-gas: all-libiberty all-opcodes all-bfd
+all-gash: all-tcl
all-gawk:
-all-gcc: all-libiberty all-byacc all-binutils all-gas
+all-gcc: all-libiberty all-byacc all-binutils all-gas all-pagas
all-gdb: all-libiberty all-opcodes all-bfd all-mmalloc all-readline all-glob all-byacc all-sim
all-glob:
all-gprof: all-libiberty all-bfd
-all-grep:
+all-grep: all-libiberty
all-gzip: all-libiberty
all-hello: all-libiberty
all-indent:
all-ispell: all-emacs
all-ld: all-libiberty all-bfd all-byacc all-flex
-all-libg++: all-gas all-ld all-gcc all-xiberty all-newlib
+all-libg++: all-gas all-pagas all-ld all-gcc all-xiberty all-newlib all-libio
+all-libio: all-gas all-pagas all-ld all-gcc all-xiberty all-newlib
all-libiberty:
all-m4: all-libiberty
all-make: all-libiberty
all-mmalloc:
-all-newlib: all-binutils all-gas all-gcc
+all-newlib: all-binutils all-gas all-pagas all-gcc
all-opcodes: all-bfd
all-patch:
all-prms: all-libiberty
.PHONY: setup-dirs-gdb gdb.tar.gz make-gdb.tar.gz
setup-dirs-gdb:
+ $(start-sanitize-Sanitize)
+ @if [ -f .Sanitize ] ; then echo "RUN Sanitize FIRST!" ; false ; fi ;
+ $(end-sanitize-Sanitize)
./configure sun4
$(MAKE) clean
./configure -rm sun4
echo "==> Making gdb-$$VER.tar.gz"; \
rm -f gdb-$$VER; ln -s proto-toplev gdb-$$VER; \
tar cfh - gdb-$$VER \
- | $(GZIP) -v -9 >gdb-$$VER.tar.gz)
+ | $(GZIPPROG) -v -9 >gdb-$$VER.tar.gz)
# Make the testsuite archive separately.
ln -s ../../gdb/proto-testsuite.dir/testsuite proto-toplev/gdb/testsuite
tar cfh - gdb-$$VER/configure gdb-$$VER/config.guess \
gdb-$$VER/config.sub gdb-$$VER/move-if-change \
gdb-$$VER/gdb/testsuite \
- | $(GZIP) -v -9 >gdb-$$VER-testsuite.tar.gz)
+ | $(GZIPPROG) -v -9 >gdb-$$VER-testsuite.tar.gz)
# When you use `make setup-dirs' or `make taz' you should always redefine
# this macro.
SUPPORT_FILES = list-of-support-files-for-tool-in-question
# Directories that might want `make diststuff' run.
-DISTSTUFFDIRS= ld gprof gdb libg++
+DISTSTUFFDIRS= ld gprof gdb libg++ binutils gnats
+# Files where "byacc" (Cygnus version) should be changed to "bison -y" (FSF).
+DISTBISONFILES= binutils/Makefile.in gas/Makefile.in gdb/Makefile.in
+# Directories where "info" should be built.
+DISTDOCDIRS= ld gprof binutils gas bfd libg++ libio gdb gnats send-pr
.PHONY: taz
-taz: $(DEVO_SUPPORT) $(SUPPORT_FILES) texinfo/texinfo.tex texinfo/gpl.texinfo
+taz: $(DEVO_SUPPORT) $(SUPPORT_FILES) \
+ texinfo/texinfo.tex texinfo/gpl.texinfo texinfo/lgpl.texinfo
+ # Make sure "diststuff" files get built properly.
+ for f in $(DISTBISONFILES) ; do \
+ if [ -r $$f ]; then \
+ sed '/^BISON *=.*$$/s/.*/BISON = bison -y/' <$$f >tmp ; \
+ mv -f tmp $$f ; \
+ else true; fi ; \
+ done
+ # Take out texinfo from a few places; make simple BISON=bison line.
+ sed -e '/^all\.normal: /s/\all-texinfo //' \
+ -e '/^ install-texinfo /d' \
+ -e '/^BISON = /,/^$$/d' \
+ -e '/^# BISON:/s/.*/BISON = bison -y/' \
+ <Makefile.in >tmp
+ mv -f tmp Makefile.in
+ #
./configure sun4
+ # Doc files don't change; include them in distribution.
+ for f in $(DISTDOCDIRS) ; do \
+ if [ -r $$f/Makefile ]; then \
+ (cd $$f ; $(MAKE) info) || exit 1 ; \
+ else true ; fi ; \
+ done
# Make links, and run "make diststuff" when needed.
# The `echo' for setting `p' is to convert all whitespace to spaces.
# Then the `case' further below should tell whether $$d is in
case " $$p " in \
*" $$d "*) \
echo making diststuff in $$d ; \
- (cd $$d ; $(MAKE) diststuff) || exit 1 ;; \
+ (cd $$d ; pwd ; $(MAKE) diststuff ) || exit 1 ;; \
esac ; \
if [ -d $$d/proto-$$d.dir ]; then \
ln -s ../$$d/proto-$$d.dir proto-toplev/$$d ; \
-e '/^host_libs=/s/glob //' \
<configure.in >proto-toplev/configure.in
#
- # Take out texinfo from a few places; make simple BISON=bison line.
- rm proto-toplev/Makefile.in
- sed -e '/^all\.normal: /s/\all-texinfo //' \
- -e '/^ install-texinfo /d' \
- -e '/^BISON = /,/^$$/d' \
- -e '/^# BISON:/s/.*/BISON = bison -y/' \
- <Makefile.in >proto-toplev/Makefile.in
- #
mkdir proto-toplev/texinfo
ln -s ../../texinfo/texinfo.tex proto-toplev/texinfo/
ln -s ../../texinfo/gpl.texinfo proto-toplev/texinfo/
+ ln -s ../../texinfo/lgpl.texinfo proto-toplev/texinfo/
ln -s ../../texinfo/tex3patch proto-toplev/texinfo/
chmod og=u `find . -print`
(VER=`sed <$(TOOL)/Makefile.in -n 's/^VERSION *= *//p'`; \
echo "==> Making $(TOOL)-$$VER.tar.gz"; \
rm -f $(TOOL)-$$VER; ln -s proto-toplev $(TOOL)-$$VER; \
tar cfh - $(TOOL)-$$VER \
- | $(GZIP) -v -9 >$(TOOL)-$$VER.tar.gz)
+ | $(GZIPPROG) -v -9 >$(TOOL)-$$VER.tar.gz )
-TEXINFO_SUPPORT= texinfo/texinfo.tex texinfo/gpl.texinfo
+TEXINFO_SUPPORT= texinfo/texinfo.tex texinfo/gpl.texinfo texinfo/lgpl.texinfo
DIST_SUPPORT= $(DEVO_SUPPORT) $(TEXINFO_SUPPORT)
.PHONY: gas.tar.gz
GAS_SUPPORT_DIRS= bfd include libiberty opcodes
gas.tar.gz: $(DIST_SUPPORT) $(GAS_SUPPORT_DIRS) gas
- $(MAKE) -f Makefile.in taz SUPPORT_FILES="$(GAS_SUPPORT_DIRS)" TOOL=gas
+ $(MAKE) -f Makefile.in taz TOOL=gas \
+ SUPPORT_FILES="$(GAS_SUPPORT_DIRS)"
# The FSF "binutils" release includes gprof and ld.
.PHONY: binutils.tar.gz
BINUTILS_SUPPORT_DIRS= bfd include libiberty opcodes ld gprof
binutils.tar.gz: $(DIST_SUPPORT) $(BINUTILS_SUPPORT_DIRS) binutils
- $(MAKE) -f Makefile.in taz SUPPORT_FILES="$(BINUTILS_SUPPORT_DIRS)" TOOL=binutils
+ $(MAKE) -f Makefile.in taz TOOL=binutils \
+ SUPPORT_FILES="$(BINUTILS_SUPPORT_DIRS)"
.PHONY: gas+binutils.tar.gz
GASB_SUPPORT_DIRS= $(GAS_SUPPORT_DIRS) binutils ld gprof
gas+binutils.tar.gz: $(DIST_SUPPORT) $(GASB_SUPPORT_DIRS) gas
- $(MAKE) -f Makefile.in taz SUPPORT_FILES="$(GASB_SUPPORT_DIRS)" TOOL=gas
+ $(MAKE) -f Makefile.in taz TOOL=gas \
+ SUPPORT_FILES="$(GASB_SUPPORT_DIRS)"
.PHONY: libg++.tar.gz
-LIBGXX_SUPPORT_DIRS=include libiberty xiberty
+LIBGXX_SUPPORT_DIRS=include libio libiberty xiberty
libg++.tar.gz: $(DIST_SUPPORT) libg++
- $(MAKE) -f Makefile.in taz SUPPORT_FILES="$(LIBGXX_SUPPORT_DIRS)" TOOL=libg++
+ $(MAKE) -f Makefile.in taz TOOL=libg++ \
+ SUPPORT_FILES="$(LIBGXX_SUPPORT_DIRS)"
+
+GNATS_SUPPORT_DIRS=include libiberty send-pr
+gnats.tar.gz: $(DIST_SUPPORT) $(GNATS_SUPPORT_DIRS) gnats
+ $(MAKE) -f Makefile.in taz TOOL=gnats \
+ SUPPORT_FILES="$(GNATS_SUPPORT_DIRS)"
.NOEXPORT:
MAKEOVERRIDES=
projects / deliverable / binutils-gdb.git / blobdiff