git-grep: Learn PCRE

diff --git a/Makefile b/Makefile
index b0f155ab305d1795ada45060460c52594e7a366a..fea55c04dd7de83a4d5e7f055b83747aa0d714d4 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,12 @@ 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 NO_CURL if you do not have libcurl installed.  git-http-pull and
 # git-http-push are not built, and you cannot use http:// and https://
 # transports.
@@ -1248,6 +1254,15 @@ ifdef NO_LIBGEN_H
        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)
+       endif
+       EXTLIBS += -lpcre
+endif
+
 ifdef NO_CURL
        BASIC_CFLAGS += -DNO_CURL
        REMOTE_CURL_PRIMARY =
@@ -2051,7 +2066,8 @@ XGETTEXT_FLAGS = \
        --add-comments \
        --msgid-bugs-address="Git Mailing List <git@vger.kernel.org>" \
        --from-code=UTF-8
-XGETTEXT_FLAGS_C = $(XGETTEXT_FLAGS) --keyword=_ --keyword=N_ --language=C
+XGETTEXT_FLAGS_C = $(XGETTEXT_FLAGS) --language=C \
+       --keyword=_ --keyword=N_ --keyword="Q_:1,2"
 LOCALIZED_C := $(C_OBJ:o=c)
 
 po/git.pot: $(LOCALIZED_C)
@@ -2162,7 +2178,7 @@ check-sha1:: test-sha1$X
 check: common-cmds.h
        if sparse; \
        then \
-               for i in *.c; \
+               for i in $(patsubst %.o, %.c, $(GIT_OBJS)); \
                do \
                        sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
                done; \