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This patch fixes a number of problems with have with build:
* more clean cut off pcre library; we'll never use bundled pcre library, so
some autoconf added REGEX_LIBS to pass correct system libs and header change.
* We use AC_CONFIG_SUBDIRS to pass make autoconf reconfigure gnuregex library
- this way ./configure will be called correctly and correct comipler will be
selected automatically.
* With the previous change some modifications were required to make gnuregex
buildable: a) we should not overide CFLAGS in Makefile.in (as they together
with -DHAVE_CONFIG_H will be passed to gnuregex and it'll fail to build,
since no config.h exist) b) obvious way to remove warning "_GNU_SOURCE"
redefined
* also we don't pass $(MAKEFLAGS) since it caused us problems in the past (bug
#178684)
=== modified file 'Makefile.in'
--- Makefile.in 2008-11-17 09:02:30 +0000
+++ Makefile.in 2008-11-17 10:42:09 +0000
@@ -7,7 +7,8 @@
CC=@CC@
-CFLAGS=@CFLAGS@ -D@OS@ @DEFS@ @EXTRA_DEFINES@
+# Never redefine CFLAGS, as it pollutes env and gnuregex build failes
+EXTRA_CFLAGS=@CFLAGS@ -D@OS@ @DEFS@ @EXTRA_DEFINES@
INCLUDES=-I@srcdir@ @PCAP_INCLUDE@ @EXTRA_INCLUDES@
LDFLAGS=@LDFLAGS@ @PCAP_LINK@
@@ -34,25 +35,25 @@
REGEX_DIR=@REGEX_DIR@
REGEX_OBJS=@REGEX_OBJS@
-
+REGEX_LIBS=@REGEX_LIBS@
all: $(TARGET)
$(TARGET): $(REGEX_OBJS) $(OBJS)
- $(CC) $(CFLAGS) $(LDFLAGS) $(STRIPFLAG) -o $(TARGET) $(OBJS) $(REGEX_OBJS) $(LIBS)
+ $(CC) $(EXTRA_CFLAGS) $(LDFLAGS) -o $(TARGET) $(OBJS) $(REGEX_OBJS) $(REGEX_LIBS) $(LIBS)
debug: $(REGEX_OBJS) $(OBJS)
- $(CC) $(CFLAGS) $(LDFLAGS) -g -o $(TARGET) $(OBJS) $(REGEX_OBJS) $(LIBS)
+ $(CC) $(EXTRA_CFLAGS) $(LDFLAGS) -g -o $(TARGET) $(OBJS) $(REGEX_OBJS) $(REGEX_LIBS) $(LIBS)
static: $(REGEX_OBJS) $(OBJS)
- $(CC) $(CFLAGS) $(LDFLAGS) $(STRIPFLAG) -o $(TARGET).static -static $(OBJS) $(REGEX_OBJS) $(LIBS)
+ $(CC) $(EXTRA_CFLAGS) $(LDFLAGS) -o $(TARGET).static -static $(OBJS) $(REGEX_OBJS) $(REGEX_LIBS) $(LIBS)
install: $(TARGET)
$(INSTALL) -c -m 0755 $(TARGET) $(DESTDIR)/$(BINDIR_INSTALL)/$(TARGET)
$(INSTALL) -c -m 0644 $(MANPAGE) $(DESTDIR)/$(MANDIR_INSTALL)/$(MANPAGE)
.c.o:
- $(CC) $(CFLAGS) $(INCLUDES) -g -c $<
+ $(CC) $(EXTRA_CFLAGS) $(INCLUDES) -g -c $<
clean:
make -C $(REGEX_DIR) clean
@@ -63,7 +64,7 @@
rm -f config.status config.cache config.log config.h Makefile
$(REGEX_OBJS): $(REGEX_OBJS:.o=.c) $(REGEX_DIR)/*.h
- $(MAKE) $(MAKEFLAGS) -C $(REGEX_DIR) $(notdir $(REGEX_OBJS))
+ $(MAKE) -C $(REGEX_DIR) $(notdir $(REGEX_OBJS))
$(OBJS): Makefile ngrep.c ngrep.h
=== modified file 'configure.in'
--- configure.in 2008-11-17 09:02:30 +0000
+++ configure.in 2008-11-17 10:11:29 +0000
@@ -124,14 +124,16 @@
use_pcre="no"
])
+REGEX_DIR=""
+REGEX_OBJS=""
+REGEX_LIBS=""
if test $use_pcre = yes; then
echo
- echo 'Configuring Perl-Compatible Regular Expression (PCRE) library ...'
+ echo 'Using System Perl-Compatible Regular Expression (PCRE) library ...'
echo
- REGEX_DIR='pcre-5.0'
- REGEX_OBJS="$REGEX_DIR/pcre.o $REGEX_DIR/study.o"
+ REGEX_LIBS="`pcre-config --libs`"
USE_PCRE="1"
else
@@ -144,12 +146,19 @@
REGEX_OBJS="$REGEX_DIR/regex.o"
USE_PCRE="0"
+ AC_CONFIG_SUBDIRS([regex-0.12])
+
+ echo
+ echo 'GNU Regular Expression library is configured...'
+ echo
+
fi
-( cd $REGEX_DIR && ./configure )
AC_SUBST(REGEX_DIR)
AC_SUBST(REGEX_OBJS)
+AC_SUBST(REGEX_LIBS)
+
echo
=== modified file 'ngrep.c'
--- ngrep.c 2008-11-17 09:02:30 +0000
+++ ngrep.c 2008-11-17 09:55:32 +0000
@@ -92,7 +92,7 @@
#endif
#if USE_PCRE
-#include "pcre-5.0/pcre.h"
+#include <pcre.h>
#else
#include "regex-0.12/regex.h"
#endif
=== modified file 'regex-0.12/Makefile.in'
--- regex-0.12/Makefile.in 2008-11-17 09:02:30 +0000
+++ regex-0.12/Makefile.in 2008-11-17 10:20:52 +0000
@@ -18,23 +18,6 @@
version = 0.12
-# You can define CPPFLAGS on the command line. Aside from system-specific
-# flags, you can define:
-# -DREGEX_MALLOC to use malloc/realloc/free instead of alloca.
-# -DDEBUG to enable the compiled pattern disassembler and execution
-# tracing; code runs substantially slower.
-# -DEXTRACT_MACROS to use the macros EXTRACT_* (as opposed to
-# the corresponding C procedures). If not -DDEBUG, the macros
-# are used.
-CPPFLAGS =
-
-# Likewise, you can override CFLAGS to optimize, use -Wall, etc.
-CFLAGS = -g
-
-# Ditto for LDFLAGS and LOADLIBES.
-LDFLAGS =
-LOADLIBES =
-
srcdir = @srcdir@
VPATH = @srcdir@
@@ -43,7 +26,7 @@
SHELL = /bin/sh
-subdirs = doc test
+subdirs =
default all:: regex.o
.PHONY: default all
=== modified file 'regex-0.12/configure.in'
--- regex-0.12/configure.in 2008-11-17 09:02:30 +0000
+++ regex-0.12/configure.in 2008-11-17 10:19:18 +0000
@@ -34,4 +34,4 @@
esac
-AC_OUTPUT(Makefile doc/Makefile test/Makefile)
+AC_OUTPUT(Makefile)
=== modified file 'regex-0.12/regex.c'
--- regex-0.12/regex.c 2008-11-17 09:02:30 +0000
+++ regex-0.12/regex.c 2008-11-17 10:15:58 +0000
@@ -34,7 +34,9 @@
#pragma alloca
#endif
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
/* We need this for `regex.h', and perhaps for the Emacs include files. */
#include <sys/types.h>
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