refs.c: SSE2 optimizations for check_refname_component

diff --git a/Makefile b/Makefile
index 2128ce3ea21a4801b9e85e0314a36d4c4dc39b4b..08fc9ca430d218a8dc279270dc2ec4beaaf01827 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,8 @@ all::
 # Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in
 # /foo/bar/include and /foo/bar/lib directories.
 #
+# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header.
+#
 # Define NO_CURL if you do not have libcurl installed.  git-http-fetch and
 # git-http-push are not built, and you cannot use http:// and https://
 # transports (neither smart nor dumb).
@@ -183,9 +185,6 @@ all::
 # Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval
 # This also implies NO_SETITIMER
 #
-# Define NO_THREAD_SAFE_PREAD if your pread() implementation is not
-# thread-safe. (e.g. compat/pread.c or cygwin)
-#
 # Define NO_FAST_WORKING_DIRECTORY if accessing objects in pack files is
 # generally faster on your platform than accessing the working directory.
 #
@@ -1111,6 +1110,10 @@ ifdef USE_LIBPCRE
        EXTLIBS += -lpcre
 endif
 
+ifdef HAVE_ALLOCA_H
+       BASIC_CFLAGS += -DHAVE_ALLOCA_H
+endif
+
 ifdef NO_CURL
        BASIC_CFLAGS += -DNO_CURL
        REMOTE_CURL_PRIMARY =
@@ -1339,10 +1342,6 @@ endif
 ifdef NO_PREAD
        COMPAT_CFLAGS += -DNO_PREAD
        COMPAT_OBJS += compat/pread.o
-       NO_THREAD_SAFE_PREAD = YesPlease
-endif
-ifdef NO_THREAD_SAFE_PREAD
-       BASIC_CFLAGS += -DNO_THREAD_SAFE_PREAD
 endif
 ifdef NO_FAST_WORKING_DIRECTORY
        BASIC_CFLAGS += -DNO_FAST_WORKING_DIRECTORY
@@ -2102,7 +2101,7 @@ pdf:
 
 XGETTEXT_FLAGS = \
        --force-po \
-       --add-comments \
+       --add-comments=TRANSLATORS: \
        --msgid-bugs-address="Git Mailing List <git@vger.kernel.org>" \
        --from-code=UTF-8
 XGETTEXT_FLAGS_C = $(XGETTEXT_FLAGS) --language=C \