# have been written to the final string if enough space had been available.
#
# Define FREAD_READS_DIRECTORIES if you are on a system which succeeds
-# when attempting to read from an fopen'ed directory.
+# when attempting to read from an fopen'ed directory (or even to fopen
+# it at all).
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# This also implies BLK_SHA1.
#
-# Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be
-# able to use Perl-compatible regular expressions.
-#
-# Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in
-# /foo/bar/include and /foo/bar/lib directories.
+# Define USE_LIBPCRE if you have and want to use libpcre. Various
+# commands such as log and grep offer runtime options to use
+# Perl-compatible regular expressions instead of standard or extended
+# POSIX regular expressions.
+#
+# Currently USE_LIBPCRE is a synonym for USE_LIBPCRE1, define
+# USE_LIBPCRE2 instead if you'd like to use version 2 of the PCRE
+# library. The USE_LIBPCRE flag will likely be changed to mean v2 by
+# default in future releases.
+#
+# When using USE_LIBPCRE1, define NO_LIBPCRE1_JIT if the PCRE v1
+# library is compiled without --enable-jit. We will auto-detect
+# whether the version of the PCRE v1 library in use has JIT support at
+# all, but we unfortunately can't auto-detect whether JIT support
+# hasn't been compiled in in an otherwise JIT-supporting version. If
+# you have link-time errors about a missing `pcre_jit_exec` define
+# this, or recompile PCRE v1 with --enable-jit.
+#
+# Define LIBPCREDIR=/foo/bar if your PCRE header and library files are
+# in /foo/bar/include and /foo/bar/lib directories. Which version of
+# PCRE this points to determined by the USE_LIBPCRE1 and USE_LIBPCRE2
+# variables.
#
# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header.
#
# algorithm. This is slower, but may detect attempted collision attacks.
# Takes priority over other *_SHA1 knobs.
#
+# Define DC_SHA1_SUBMODULE in addition to DC_SHA1 to use the
+# sha1collisiondetection shipped as a submodule instead of the
+# non-submodule copy in sha1dc/. This is an experimental option used
+# by the git project to migrate to using sha1collisiondetection as a
+# submodule.
+#
# Define OPENSSL_SHA1 environment variable when running make to link
# with the SHA1 routine from openssl library.
#
LIB_OBJS += attr.o
LIB_OBJS += base85.o
LIB_OBJS += bisect.o
+LIB_OBJS += blame.o
LIB_OBJS += blob.o
LIB_OBJS += branch.o
LIB_OBJS += bulk-checkin.o
LIB_OBJS += ref-filter.o
LIB_OBJS += remote.o
LIB_OBJS += replace_object.o
+LIB_OBJS += repository.o
LIB_OBJS += rerere.o
LIB_OBJS += resolve-undo.o
LIB_OBJS += revision.o
LIB_OBJS += string-list.o
LIB_OBJS += submodule.o
LIB_OBJS += submodule-config.o
+LIB_OBJS += sub-process.o
LIB_OBJS += symlinks.o
LIB_OBJS += tag.o
LIB_OBJS += tempfile.o
GIT_USER_AGENT = git/$(GIT_VERSION)
+ifeq ($(wildcard sha1collisiondetection/lib/sha1.h),sha1collisiondetection/lib/sha1.h)
+DC_SHA1_SUBMODULE = auto
+endif
+
include config.mak.uname
-include config.mak.autogen
-include config.mak
CFLAGS += $(DEVELOPER_CFLAGS)
endif
+ifdef SANITIZE
+BASIC_CFLAGS += -fsanitize=$(SANITIZE) -fno-sanitize-recover=$(SANITIZE)
+BASIC_CFLAGS += -fno-omit-frame-pointer
+ifeq ($(SANITIZE),undefined)
+BASIC_CFLAGS += -DNO_UNALIGNED_LOADS
+endif
+endif
+
ifndef sysconfdir
ifeq ($(prefix),/usr)
sysconfdir = /etc
COMPAT_OBJS += compat/basename.o
endif
-ifdef USE_LIBPCRE
- BASIC_CFLAGS += -DUSE_LIBPCRE
- ifdef LIBPCREDIR
- BASIC_CFLAGS += -I$(LIBPCREDIR)/include
- EXTLIBS += -L$(LIBPCREDIR)/$(lib) $(CC_LD_DYNPATH)$(LIBPCREDIR)/$(lib)
+USE_LIBPCRE1 ?= $(USE_LIBPCRE)
+
+ifneq (,$(USE_LIBPCRE1))
+ ifdef USE_LIBPCRE2
+$(error Only set USE_LIBPCRE1 (or its alias USE_LIBPCRE) or USE_LIBPCRE2, not both!)
endif
+
+ BASIC_CFLAGS += -DUSE_LIBPCRE1
EXTLIBS += -lpcre
+
+ifdef NO_LIBPCRE1_JIT
+ BASIC_CFLAGS += -DNO_LIBPCRE1_JIT
+endif
+endif
+
+ifdef USE_LIBPCRE2
+ BASIC_CFLAGS += -DUSE_LIBPCRE2
+ EXTLIBS += -lpcre2-8
+endif
+
+ifdef LIBPCREDIR
+ BASIC_CFLAGS += -I$(LIBPCREDIR)/include
+ EXTLIBS += -L$(LIBPCREDIR)/$(lib) $(CC_LD_DYNPATH)$(LIBPCREDIR)/$(lib)
endif
ifdef HAVE_ALLOCA_H
BASIC_CFLAGS += -DSHA1_APPLE
else
DC_SHA1 := YesPlease
+ifdef DC_SHA1_SUBMODULE
+ LIB_OBJS += sha1collisiondetection/lib/sha1.o
+ LIB_OBJS += sha1collisiondetection/lib/ubc_check.o
+ BASIC_CFLAGS += -DDC_SHA1_SUBMODULE
+else
LIB_OBJS += sha1dc/sha1.o
LIB_OBJS += sha1dc/ubc_check.o
+endif
BASIC_CFLAGS += \
-DSHA1_DC \
-DSHA1DC_NO_STANDARD_INCLUDES \
@echo TAR=\''$(subst ','\'',$(subst ','\'',$(TAR)))'\' >>$@+
@echo NO_CURL=\''$(subst ','\'',$(subst ','\'',$(NO_CURL)))'\' >>$@+
@echo NO_EXPAT=\''$(subst ','\'',$(subst ','\'',$(NO_EXPAT)))'\' >>$@+
- @echo USE_LIBPCRE=\''$(subst ','\'',$(subst ','\'',$(USE_LIBPCRE)))'\' >>$@+
+ @echo USE_LIBPCRE1=\''$(subst ','\'',$(subst ','\'',$(USE_LIBPCRE1)))'\' >>$@+
+ @echo USE_LIBPCRE2=\''$(subst ','\'',$(subst ','\'',$(USE_LIBPCRE2)))'\' >>$@+
+ @echo NO_LIBPCRE1_JIT=\''$(subst ','\'',$(subst ','\'',$(NO_LIBPCRE1_JIT)))'\' >>$@+
@echo NO_PERL=\''$(subst ','\'',$(subst ','\'',$(NO_PERL)))'\' >>$@+
+ @echo NO_PTHREADS=\''$(subst ','\'',$(subst ','\'',$(NO_PTHREADS)))'\' >>$@+
@echo NO_PYTHON=\''$(subst ','\'',$(subst ','\'',$(NO_PYTHON)))'\' >>$@+
@echo NO_UNIX_SOCKETS=\''$(subst ','\'',$(subst ','\'',$(NO_UNIX_SOCKETS)))'\' >>$@+
@echo PAGER_ENV=\''$(subst ','\'',$(subst ','\'',$(PAGER_ENV)))'\' >>$@+
ifdef GIT_PERF_MAKE_OPTS
@echo GIT_PERF_MAKE_OPTS=\''$(subst ','\'',$(subst ','\'',$(GIT_PERF_MAKE_OPTS)))'\' >>$@+
endif
+ifdef GIT_PERF_MAKE_COMMAND
+ @echo GIT_PERF_MAKE_COMMAND=\''$(subst ','\'',$(subst ','\'',$(GIT_PERF_MAKE_COMMAND)))'\' >>$@+
+endif
ifdef GIT_INTEROP_MAKE_OPTS
@echo GIT_INTEROP_MAKE_OPTS=\''$(subst ','\'',$(subst ','\'',$(GIT_INTEROP_MAKE_OPTS)))'\' >>$@+
endif