bsdgrep: Add GNU compatible version string indicator

As reported in r218614 it's useful to have an indication of whether or not
BSD grep was built with GNU_GREP_COMPAT.

Submitted by:	Kyle Evans <kevans91 at ksu.edu>
Reported by:	mandree
Differential Revision:	https://reviews.freebsd.org/D10451

usr.bin/grep/Makefile

@@ -82,7 +82,7 @@ CFLAGS+= -DWITHOUT_BZIP2
 .endif
 
 .if ${MK_GNU_GREP_COMPAT} != "no"
-CFLAGS+= -I${DESTDIR}/usr/include/gnu
+CFLAGS+= -I${DESTDIR}/usr/include/gnu -DWITH_GNU
 LIBADD+=	gnuregex
 .endif
 

usr.bin/grep/grep.c

@@ -74,6 +74,7 @@ const char	*errstr[] = {
 /* 7*/	"\t[--null] [pattern] [file ...]\n",
 /* 8*/	"Binary file %s matches\n",
 /* 9*/	"%s (BSD grep) %s\n",
+/* 10*/	"%s (BSD grep, GNU compatible) %s\n",
 };
 
 /* Flags passed to regcomp() and regexec() */
@@ -596,7 +597,11 @@ main(int argc, char *argv[])
 			filebehave = FILE_MMAP;
 			break;
 		case 'V':
+#ifdef WITH_GNU
+			printf(getstr(10), getprogname(), VERSION);
+#else
 			printf(getstr(9), getprogname(), VERSION);
+#endif
 			exit(0);
 		case 'v':
 			vflag = true;

usr.bin/grep/nls/C.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [pattern] [file ...]\n"
 8 "Binary file %s matches\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/es_ES.ISO8859-1.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [pauta] [fichero ...]\n"
 8 "fichero binario %s se ajusta\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/gl_ES.ISO8859-1.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [pauta] [ficheiro ...]\n"
 8 "ficheiro binario %s conforma\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/hu_HU.ISO8859-2.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [minta] [fájl ...]\n"
 8 "%s bináris fájl illeszkedik\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/ja_JP.SJIS.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [パターン] [ファイル名 ...]\n"
 8 "バイナリファイル %s にマッチしました\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/ja_JP.UTF-8.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [パターン] [ファイル名 ...]\n"
 8 "バイナリファイル %s にマッチしました\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/ja_JP.eucJP.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [パターン] [ファイル名 ...]\n"
 8 "バイナリファイル %s にマッチしました\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/pt_BR.ISO8859-1.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [padrão] [arquivo ...]\n"
 8 "arquivo binário %s casa com o padrão\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/ru_RU.KOI8-R.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [ﾛﾁﾂﾌﾏﾎ] [ﾆﾁﾊﾌ ...]\n"
 8 "ﾄﾗﾏﾉﾞﾎﾙﾊ ﾆﾁﾊﾌ %s ﾓﾏﾗﾐﾁﾄﾁﾅﾔ\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/uk_UA.UTF-8.msg

@@ -10,3 +10,4 @@ $quote "
 7 "\t[--null] [шаблон] [файл ...]\n"
 8 "двійковий файл %s співпадає\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"

usr.bin/grep/nls/zh_CN.UTF-8.msg

@@ -11,3 +11,4 @@ $quote "
 7 "\t[--null] [模式] [文件名 ...]\n"
 8 "二进制文件 %s 包含模式\n"
 9 "%s (BSD grep) %s\n"
+10 "%s (BSD grep, GNU compatible) %s\n"