[patch] patch to link against external libpcre

020-external_pcre.patch (text/plain), 14.59 KB, created by Andres Salomon on 2004-03-09 22:11:47 UTC

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Description: patch to link against external libpcre

Filename:

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Creator: Andres Salomon

Created: 2004-03-09 22:11:47 UTC

Size: 14.59 KB

patch

obsolete

>diff -x {arch} -x .arch-ids -urN orig/apache2/Makefile.in mod/apache2/Makefile.in >--- orig/apache2/Makefile.in 2004-03-07 03:18:24.000000000 -0500 >+++ mod/apache2/Makefile.in 2004-03-07 01:18:10.000000000 -0500 >@@ -178,7 +178,9 @@ > @cp -p $(srcdir)/modules/http/mod_core.h $(DESTDIR)$(includedir) > @cp -p $(srcdir)/modules/proxy/mod_proxy.h $(DESTDIR)$(includedir) > @cp -p $(srcdir)/modules/ssl/*.h $(DESTDIR)$(includedir) >- @cp -p $(srcdir)/srclib/pcre/pcre*.h $(DESTDIR)$(includedir) >+ @if test "$(AP_EXTERN_PCRE)" != "0"; then \ >+ cp -p $(srcdir)/srclib/pcre/pcre*.h $(DESTDIR)$(includedir); \ >+ fi; > @cp -p $(srcdir)/os/$(OS_DIR)/*.h $(DESTDIR)$(includedir) > @chmod 644 $(DESTDIR)$(includedir)/*.h > >diff -x {arch} -x .arch-ids -urN orig/apache2/acinclude.m4 mod/apache2/acinclude.m4 >--- orig/apache2/acinclude.m4 2004-03-07 03:18:24.000000000 -0500 >+++ mod/apache2/acinclude.m4 2004-03-07 01:18:09.000000000 -0500 >@@ -494,6 +494,58 @@ > ]) > > dnl >+dnl APACHE_CHECK_PCRE >+dnl Apache includes it's own version of PCRE; however, if PCRE exists >+dnl on the build system, we link against that instead of building >+dnl Apache's own PCRE. >+dnl >+AC_DEFUN(APACHE_CHECK_PCRE, [ >+ AC_MSG_CHECKING(for external PCRE library) >+ ap_pcre_base="" >+ ap_test_pcre=1 >+ AP_EXTERN_PCRE=0 >+ >+ AC_ARG_WITH([pcre], AS_HELP_STRING([--with-external-pcre], >+ [use external libpcre (versus apache-supplied pcre)]), [ >+ if test "x$withval" = "xno"; then >+ ap_test_pcre=0; >+ elif test "x$withval" != "xyes" -a "x$withval" != "x"; then >+ ap_pcre_base="$withval" >+ fi >+ ]) >+ >+ if test "$ap_test_pcre" != "0"; then >+ ap_pcre_conf="pcre-config" >+ if test -f "$ap_pcre_base"; then >+ ap_pcre_conf="$ap_pcre_base"; >+ elif test -f "$ap_pcre_base/pcre-config"; then >+ ap_pcre_conf="$ap_pcre_base/pcre-config"; >+ elif test -f "$ap_pcre_base/bin/pcre-config"; then >+ ap_pcre_conf="$ap_pcre_base/bin/pcre-config"; >+ fi >+ >+ ap_save_CFLAGS="$CFLAGS" >+ ap_save_LIBS="$LIBS" >+ CFLAGS="$CFLAGS `$ap_pcre_conf --cflags 2>/dev/null`" >+ LIBS="$LIBS `$ap_pcre_conf --libs 2>/dev/null`" >+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <pcre.h>]], >+ [[char *foo = pcre_version();]])], [ >+ AP_EXTERN_PCRE=1 >+ ], [ >+ CFLAGS="$ap_save_CFLAGS" >+ LIBS="$ap_save_LIBS" >+ ]) >+ fi >+ >+ if test "$AP_EXTERN_PCRE" = "1"; then >+ AC_MSG_RESULT(yes) >+ else >+ AC_MSG_RESULT(no) >+ fi >+ AC_SUBST(AP_EXTERN_PCRE) >+]) >+ >+dnl > dnl APACHE_EXPORT_ARGUMENTS > dnl Export (via APACHE_SUBST) the various path-related variables that > dnl apache will use while generating scripts like autoconf and apxs and >diff -x {arch} -x .arch-ids -urN orig/apache2/configure.in mod/apache2/configure.in >--- orig/apache2/configure.in 2004-03-07 03:18:27.000000000 -0500 >+++ mod/apache2/configure.in 2004-03-07 01:18:08.000000000 -0500 >@@ -114,10 +114,14 @@ > AC_PROG_CC > AC_PROG_CPP > >-echo $ac_n "${nl}Configuring PCRE regular expression library ...${nl}" >- >-APR_SUBDIR_CONFIG(srclib/pcre, >- [--prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir]) >+APACHE_CHECK_PCRE >+if test "$AP_EXTERN_PCRE" = "0"; then >+ echo $ac_n "${nl}Configuring PCRE regular expression library ...${nl}" >+ APR_SUBDIR_CONFIG(srclib/pcre, >+ [--prefix=$prefix --exec-prefix=$exec_prefix --libdir=$libdir --includedir=$includedir --bindir=$bindir]) >+ AP_BUILD_SRCLIB_DIRS="$AP_BUILD_SRCLIB_DIRS pcre" >+ AP_CLEAN_SRCLIB_DIRS="pcre $AP_CLEAN_SRCLIB_DIRS" >+fi > > echo $ac_n "${nl}Configuring Apache httpd ...${nl}" > >@@ -466,9 +470,6 @@ > APACHE_HELP_STRING(--with-suexec-umask,umask for suexec'd process),[ > AC_DEFINE_UNQUOTED(AP_SUEXEC_UMASK, 0$withval, [umask for suexec'd process] ) ] ) > >-dnl AP_LIBS specifies the actual libraries. note we have some required libs. >-AP_LIBS="$abs_builddir/srclib/pcre/libpcre.la $AP_LIBS" >- > dnl APR should go after the other libs, so the right symbols can be picked up > AP_LIBS="$AP_LIBS `$apu_config --link-libtool --libs` `$apr_config --link-libtool --libs`" > APACHE_SUBST(AP_LIBS) >diff -x {arch} -x .arch-ids -urN orig/apache2/server/Makefile.in mod/apache2/server/Makefile.in >--- orig/apache2/server/Makefile.in 2004-03-07 03:18:46.000000000 -0500 >+++ mod/apache2/server/Makefile.in 2004-03-07 02:52:53.000000000 -0500 >@@ -9,7 +9,7 @@ > LTLIBRARY_NAME = libmain.la > LTLIBRARY_SOURCES = \ > test_char.h \ >- config.c log.c main.c vhost.c util.c \ >+ config.c log.c main.c vhost.c util.c util_pcre.c \ > util_script.c util_md5.c util_cfgtree.c util_ebcdic.c util_time.c \ > rfc1413.c connection.c listen.c \ > mpm_common.c util_charset.c util_debug.c util_xml.c \ >diff -x {arch} -x .arch-ids -urN orig/apache2/server/util.c mod/apache2/server/util.c >--- orig/apache2/server/util.c 2004-03-07 03:18:48.000000000 -0500 >+++ mod/apache2/server/util.c 2004-03-07 03:03:54.000000000 -0500 >@@ -298,7 +298,7 @@ > > static apr_status_t regex_cleanup(void *preg) > { >- regfree((regex_t *) preg); >+ ap_regfree((regex_t *) preg); > return APR_SUCCESS; > } > >@@ -307,7 +307,7 @@ > { > regex_t *preg = apr_palloc(p, sizeof(regex_t)); > >- if (regcomp(preg, pattern, cflags)) { >+ if (ap_regcomp(preg, pattern, cflags)) { > return NULL; > } > >@@ -319,7 +319,7 @@ > > AP_DECLARE(void) ap_pregfree(apr_pool_t *p, regex_t * reg) > { >- regfree(reg); >+ ap_regfree(reg); > apr_pool_cleanup_kill(p, (void *) reg, regex_cleanup); > } > >@@ -386,25 +386,6 @@ > return bigstring; > } > >-/* >- * Apache stub function for the regex libraries regexec() to make sure the >- * whole regex(3) API is available through the Apache (exported) namespace. >- * This is especially important for the DSO situations of modules. >- * DO NOT MAKE A MACRO OUT OF THIS FUNCTION! >- */ >-AP_DECLARE(int) ap_regexec(regex_t *preg, const char *string, >- size_t nmatch, regmatch_t pmatch[], int eflags) >-{ >- return regexec(preg, string, nmatch, pmatch, eflags); >-} >- >-AP_DECLARE(size_t) ap_regerror(int errcode, const regex_t *preg, char *errbuf, >- size_t errbuf_size) >-{ >- return regerror(errcode, preg, errbuf, errbuf_size); >-} >- >- > /* This function substitutes for $0-$9, filling in regular expression > * submatches. Pass it the same nmatch and pmatch arguments that you > * passed ap_regexec(). pmatch should not be greater than the maximum number >diff -x {arch} -x .arch-ids -urN orig/apache2/server/util_pcre.c mod/apache2/server/util_pcre.c >--- orig/apache2/server/util_pcre.c 1969-12-31 19:00:00.000000000 -0500 >+++ mod/apache2/server/util_pcre.c 2004-03-07 03:14:49.000000000 -0500 >@@ -0,0 +1,254 @@ >+/************************************************* >+* Perl-Compatible Regular Expressions * >+*************************************************/ >+ >+/* >+This is a library of functions to support regular expressions whose syntax >+and semantics are as close as possible to those of the Perl 5 language. See >+the file Tech.Notes for some information on the internals. >+ >+This module is a wrapper that provides a POSIX API to the underlying PCRE >+functions. >+ >+Written by: Philip Hazel <ph10@cam.ac.uk> >+ >+ Copyright (c) 1997-2003 University of Cambridge >+ Copyright (C) 2004 Andres Salomon <dilinger@voxel.net> >+ >+----------------------------------------------------------------------------- >+Permission is granted to anyone to use this software for any purpose on any >+computer system, and to redistribute it freely, subject to the following >+restrictions: >+ >+1. This software is distributed in the hope that it will be useful, >+ but WITHOUT ANY WARRANTY; without even the implied warranty of >+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. >+ >+2. The origin of this software must not be misrepresented, either by >+ explicit claim or by omission. >+ >+3. Altered versions must be plainly marked as such, and must not be >+ misrepresented as being the original software. >+ >+4. If PCRE is embedded in any software that is released under the GNU >+ General Purpose Licence (GPL), then the terms of that licence shall >+ supersede any condition above with which it is incompatible. >+----------------------------------------------------------------------------- >+*/ >+ >+#include "apr.h" >+#include "apr_strings.h" >+#include "apr_lib.h" >+ >+#define APR_WANT_STDIO >+#define APR_WANT_STRFUNC >+#include "apr_want.h" >+ >+#if APR_HAVE_UNISTD_H >+#include <unistd.h> >+#endif >+#if APR_HAVE_NETDB_H >+#include <netdb.h> /* for gethostbyname() */ >+#endif >+ >+#define CORE_PRIVATE >+ >+#include "ap_config.h" >+#include "apr_base64.h" >+#include "httpd.h" >+#include "http_main.h" >+#include "http_log.h" >+#include "http_protocol.h" >+#include "http_config.h" >+#include "util_ebcdic.h" >+ >+#include <pcre.h> >+ >+#ifndef PCRE_CONFIG_POSIX_MALLOC_THRESHOLD >+#define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD 3 >+#endif >+ >+/* Table of texts corresponding to POSIX error codes */ >+ >+static const char *pstring[] = { >+ "", /* Dummy for value 0 */ >+ "internal error", /* REG_ASSERT */ >+ "invalid repeat counts in {}", /* BADBR */ >+ "pattern error", /* BADPAT */ >+ "? * + invalid", /* BADRPT */ >+ "unbalanced {}", /* EBRACE */ >+ "unbalanced []", /* EBRACK */ >+ "collation error - not relevant", /* ECOLLATE */ >+ "bad class", /* ECTYPE */ >+ "bad escape sequence", /* EESCAPE */ >+ "empty expression", /* EMPTY */ >+ "unbalanced ()", /* EPAREN */ >+ "bad range inside []", /* ERANGE */ >+ "expression too big", /* ESIZE */ >+ "failed to get memory", /* ESPACE */ >+ "bad back reference", /* ESUBREG */ >+ "bad argument", /* INVARG */ >+ "match failed" /* NOMATCH */ >+}; >+ >+ >+ >+ >+/************************************************* >+* Translate error code to string * >+*************************************************/ >+ >+AP_DECLARE(size_t) >+ap_regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size) >+{ >+const char *message, *addmessage; >+size_t length, addlength; >+ >+message = (errcode >= (int)(sizeof(pstring)/sizeof(char *)))? >+ "unknown error code" : pstring[errcode]; >+length = strlen(message) + 1; >+ >+addmessage = " at offset "; >+addlength = (preg != NULL && (int)preg->re_erroffset != -1)? >+ strlen(addmessage) + 6 : 0; >+ >+if (errbuf_size > 0) >+ { >+ if (addlength > 0 && errbuf_size >= length + addlength) >+ sprintf(errbuf, "%s%s%-6d", message, addmessage, (int)preg->re_erroffset); >+ else >+ { >+ strncpy(errbuf, message, errbuf_size - 1); >+ errbuf[errbuf_size-1] = 0; >+ } >+ } >+ >+return length + addlength; >+} >+ >+ >+ >+ >+/************************************************* >+* Free store held by a regex * >+*************************************************/ >+ >+void >+ap_regfree(regex_t *preg) >+{ >+(pcre_free)(preg->re_pcre); >+} >+ >+ >+ >+ >+/************************************************* >+* Compile a regular expression * >+*************************************************/ >+ >+/* >+Arguments: >+ preg points to a structure for recording the compiled expression >+ pattern the pattern to compile >+ cflags compilation flags >+ >+Returns: 0 on success >+ various non-zero codes on failure >+*/ >+ >+int >+ap_regcomp(regex_t *preg, const char *pattern, int cflags) >+{ >+const char *errorptr; >+int erroffset; >+int options = 0; >+ >+if ((cflags & REG_ICASE) != 0) options |= PCRE_CASELESS; >+if ((cflags & REG_NEWLINE) != 0) options |= PCRE_MULTILINE; >+ >+preg->re_pcre = pcre_compile(pattern, options, &errorptr, &erroffset, NULL); >+preg->re_erroffset = erroffset; >+ >+if (preg->re_pcre == NULL) return 1; >+ >+preg->re_nsub = pcre_info(preg->re_pcre, NULL, NULL); >+return 0; >+} >+ >+ >+ >+ >+/************************************************* >+* Match a regular expression * >+*************************************************/ >+ >+/* Unfortunately, PCRE requires 3 ints of working space for each captured >+substring, so we have to get and release working store instead of just using >+the POSIX structures as was done in earlier releases when PCRE needed only 2 >+ints. However, if the number of possible capturing brackets is small, use a >+block of store on the stack, to reduce the use of malloc/free. The threshold is >+in a macro that can be changed at configure time. */ >+ >+AP_DECLARE(int) >+ap_regexec(regex_t *preg, const char *string, size_t nmatch, >+ regmatch_t pmatch[], int eflags) >+{ >+int rc; >+int options = 0; >+int *ovector = NULL; >+int small_ovector[PCRE_CONFIG_POSIX_MALLOC_THRESHOLD * 3]; >+int allocated_ovector = 0; >+ >+if ((eflags & REG_NOTBOL) != 0) options |= PCRE_NOTBOL; >+if ((eflags & REG_NOTEOL) != 0) options |= PCRE_NOTEOL; >+ >+((regex_t *)preg)->re_erroffset = (size_t)(-1); /* Only has meaning after compile */ >+ >+if (nmatch > 0) >+ { >+ if (nmatch <= PCRE_CONFIG_POSIX_MALLOC_THRESHOLD) >+ { >+ ovector = &(small_ovector[0]); >+ } >+ else >+ { >+ ovector = (int *)malloc(sizeof(int) * nmatch * 3); >+ if (ovector == NULL) return REG_ESPACE; >+ allocated_ovector = 1; >+ } >+ } >+ >+rc = pcre_exec(preg->re_pcre, NULL, string, (int)strlen(string), 0, options, >+ ovector, nmatch * 3); >+ >+if (rc == 0) rc = nmatch; /* All captured slots were filled in */ >+ >+if (rc >= 0) >+ { >+ size_t i; >+ for (i = 0; i < (size_t)rc; i++) >+ { >+ pmatch[i].rm_so = ovector[i*2]; >+ pmatch[i].rm_eo = ovector[i*2+1]; >+ } >+ if (allocated_ovector) free(ovector); >+ for (; i < nmatch; i++) pmatch[i].rm_so = pmatch[i].rm_eo = -1; >+ return 0; >+ } >+ >+else >+ { >+ if (allocated_ovector) free(ovector); >+ switch(rc) >+ { >+ case PCRE_ERROR_NOMATCH: return REG_NOMATCH; >+ case PCRE_ERROR_NULL: return REG_INVARG; >+ case PCRE_ERROR_BADOPTION: return REG_INVARG; >+ case PCRE_ERROR_BADMAGIC: return REG_INVARG; >+ case PCRE_ERROR_UNKNOWN_NODE: return REG_ASSERT; >+ case PCRE_ERROR_NOMEMORY: return REG_ESPACE; >+ default: return REG_ASSERT; >+ } >+ } >+} >+ >diff -x {arch} -x .arch-ids -urN orig/apache2/srclib/Makefile.in mod/apache2/srclib/Makefile.in >--- orig/apache2/srclib/Makefile.in 2004-03-07 03:18:49.000000000 -0500 >+++ mod/apache2/srclib/Makefile.in 2004-03-07 01:18:07.000000000 -0500 >@@ -1,5 +1,5 @@ > >-SUBDIRS = pcre >+SUBDIRS = > BUILD_SUBDIRS = $(AP_BUILD_SRCLIB_DIRS) > CLEAN_SUBDIRS = $(AP_CLEAN_SRCLIB_DIRS) > View Attachment As Diff View Attachment As Raw

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