git-grep: Learn PCRE

diff --git a/Makefile b/Makefile
index 654d8ac7e14a2118b1fd2014fb13a6b5d4c50c64..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.
@@ -45,11 +51,6 @@ all::
 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
 # d_type in struct dirent (Cygwin 1.5, fixed in Cygwin 1.7).
 #
-# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
-# do not support the 'size specifiers' introduced by C99, namely ll, hh,
-# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
-# some C compilers supported these specifiers prior to C99 as an extension.
-#
 # Define NO_STRCASESTR if you don't have strcasestr.
 #
 # Define NO_MEMMEM if you don't have memmem.
@@ -878,7 +879,6 @@ ifeq ($(uname_S),SunOS)
                NO_UNSETENV = YesPlease
                NO_SETENV = YesPlease
                NO_STRLCPY = YesPlease
-               NO_C99_FORMAT = YesPlease
                NO_STRTOUMAX = YesPlease
                GIT_TEST_CMP = cmp
        endif
@@ -889,21 +889,18 @@ ifeq ($(uname_S),SunOS)
                NO_UNSETENV = YesPlease
                NO_SETENV = YesPlease
                NO_STRLCPY = YesPlease
-               NO_C99_FORMAT = YesPlease
                NO_STRTOUMAX = YesPlease
                GIT_TEST_CMP = cmp
        endif
        ifeq ($(uname_R),5.8)
                NO_UNSETENV = YesPlease
                NO_SETENV = YesPlease
-               NO_C99_FORMAT = YesPlease
                NO_STRTOUMAX = YesPlease
                GIT_TEST_CMP = cmp
        endif
        ifeq ($(uname_R),5.9)
                NO_UNSETENV = YesPlease
                NO_SETENV = YesPlease
-               NO_C99_FORMAT = YesPlease
                NO_STRTOUMAX = YesPlease
                GIT_TEST_CMP = cmp
        endif
@@ -1083,7 +1080,6 @@ ifeq ($(uname_S),Windows)
        NO_MEMMEM = YesPlease
        # NEEDS_LIBICONV = YesPlease
        NO_ICONV = YesPlease
-       NO_C99_FORMAT = YesPlease
        NO_STRTOUMAX = YesPlease
        NO_STRTOULL = YesPlease
        NO_MKDTEMP = YesPlease
@@ -1160,7 +1156,6 @@ ifneq (,$(findstring MINGW,$(uname_S)))
        NO_MEMMEM = YesPlease
        NEEDS_LIBICONV = YesPlease
        OLD_ICONV = YesPlease
-       NO_C99_FORMAT = YesPlease
        NO_STRTOUMAX = YesPlease
        NO_MKDTEMP = YesPlease
        NO_MKSTEMPS = YesPlease
@@ -1259,6 +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 =
@@ -1363,9 +1367,6 @@ endif
 ifdef NO_NSEC
        BASIC_CFLAGS += -DNO_NSEC
 endif
-ifdef NO_C99_FORMAT
-       BASIC_CFLAGS += -DNO_C99_FORMAT
-endif
 ifdef SNPRINTF_RETURNS_BOGUS
        COMPAT_CFLAGS += -DSNPRINTF_RETURNS_BOGUS
        COMPAT_OBJS += compat/snprintf.o
@@ -2065,7 +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: $(LOCALIZED_C)
@@ -2176,7 +2178,7 @@ check-sha1:: test-sha1$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; \