dnl $Id: config.m4,v 1.80.2.3.2.3 2007/07/11 11:56:03 jani Exp $ -*- autoconf -*-

divert(3)dnl

dnl
dnl Check if flush should be called explicitly after buffered io
dnl
AC_CACHE_CHECK([whether flush should be called explicitly after a buffered io], ac_cv_flush_io,[
AC_TRY_RUN( [
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
	char *filename = tmpnam(NULL);
	char buffer[64];
	int result = 0;
	
	FILE *fp = fopen(filename, "wb");
	if (NULL == fp)
		return 0;
	fputs("line 1\n", fp);
	fputs("line 2\n", fp);
	fclose(fp);
	
	fp = fopen(filename, "rb+");
	if (NULL == fp)
		return 0;
	fgets(buffer, sizeof(buffer), fp);
	fputs("line 3\n", fp);
	rewind(fp);
	fgets(buffer, sizeof(buffer), fp);
	if (0 != strcmp(buffer, "line 1\n"))
		result = 1;
	fgets(buffer, sizeof(buffer), fp);
	if (0 != strcmp(buffer, "line 3\n"))
		result = 1;
	fclose(fp);
	unlink(filename);

	exit(result);
}
],[
  ac_cv_flush_io=no
],[
  ac_cv_flush_io=yes
],[
  ac_cv_flush_io=no
])])
if test "$ac_cv_flush_io" = "yes"; then
  AC_DEFINE(HAVE_FLUSHIO, 1, [Define if flush should be called explicitly after a buffered io.])
fi

dnl
dnl Check for crypt() capabilities
dnl
if test "$ac_cv_func_crypt" = "no"; then
  AC_CHECK_LIB(crypt, crypt, [
    LIBS="-lcrypt $LIBS -lcrypt"
    AC_DEFINE(HAVE_CRYPT, 1, [ ])
  ])
fi
  
AC_CACHE_CHECK(for standard DES crypt, ac_cv_crypt_des,[
  AC_TRY_RUN([
#if HAVE_UNISTD_H
#include <unistd.h>
#endif

#if HAVE_CRYPT_H
#include <crypt.h>
#endif

main() {
#if HAVE_CRYPT
    exit (strcmp((char *)crypt("rasmuslerdorf","rl"),"rl.3StKT.4T8M"));
#else
	exit(0);
#endif
}],[
  ac_cv_crypt_des=yes
],[
  ac_cv_crypt_des=no
],[
  ac_cv_crypt_des=yes
])])
if test "$ac_cv_crypt_des" = "yes"; then
  ac_result=1
else
  ac_result=0
fi
AC_DEFINE_UNQUOTED(PHP_STD_DES_CRYPT, $ac_result, [Whether the system supports standard DES salt])

AC_CACHE_CHECK(for extended DES crypt, ac_cv_crypt_ext_des,[
  AC_TRY_RUN([
#if HAVE_UNISTD_H
#include <unistd.h>
#endif

#if HAVE_CRYPT_H
#include <crypt.h>
#endif

main() {
#if HAVE_CRYPT
  exit (strcmp((char *)crypt("rasmuslerdorf","_J9..rasm"),"_J9..rasmBYk8r9AiWNc"));
#else
  exit(0);
#endif
}],[
  ac_cv_crypt_ext_des=yes
],[
  ac_cv_crypt_ext_des=no
],[
  ac_cv_crypt_ext_des=no
])])
if test "$ac_cv_crypt_ext_des" = "yes"; then
  ac_result=1
else
  ac_result=0
fi
AC_DEFINE_UNQUOTED(PHP_EXT_DES_CRYPT, $ac_result, [Whether the system supports extended DES salt])

AC_CACHE_CHECK(for MD5 crypt, ac_cv_crypt_md5,[
AC_TRY_RUN([
#if HAVE_UNISTD_H
#include <unistd.h>
#endif

#if HAVE_CRYPT_H
#include <crypt.h>
#endif

main() {
#if HAVE_CRYPT
    char salt[15], answer[40];

    salt[0]='$'; salt[1]='1'; salt[2]='$'; 
    salt[3]='r'; salt[4]='a'; salt[5]='s';
    salt[6]='m'; salt[7]='u'; salt[8]='s';
    salt[9]='l'; salt[10]='e'; salt[11]='$';
    salt[12]='\0';
    strcpy(answer,salt);
    strcat(answer,"rISCgZzpwk3UhDidwXvin0");
    exit (strcmp((char *)crypt("rasmuslerdorf",salt),answer));
#else
	exit(0);
#endif
}],[
  ac_cv_crypt_md5=yes
],[
  ac_cv_crypt_md5=no
],[
  ac_cv_crypt_md5=no
])])
if test "$ac_cv_crypt_md5" = "yes"; then
  ac_result=1
else
  if test "$ac_cv_crypt_des" != "yes"; then
    PHP_DEBUG_MACRO(debug.log)
  fi
  ac_result=0
fi
AC_DEFINE_UNQUOTED(PHP_MD5_CRYPT, $ac_result, [Whether the system supports MD5 salt])

AC_CACHE_CHECK(for Blowfish crypt, ac_cv_crypt_blowfish,[
AC_TRY_RUN([
#if HAVE_UNISTD_H
#include <unistd.h>
#endif

#if HAVE_CRYPT_H
#include <crypt.h>
#endif

main() {
#if HAVE_CRYPT
    char salt[30], answer[70];
    
    salt[0]='$'; salt[1]='2'; salt[2]='a'; salt[3]='$'; salt[4]='0'; salt[5]='7'; salt[6]='$'; salt[7]='\0';
    strcat(salt,"rasmuslerd............");
    strcpy(answer,salt);
    strcpy(&answer[29],"nIdrcHdxcUxWomQX9j6kvERCFjTg7Ra");
    exit (strcmp((char *)crypt("rasmuslerdorf",salt),answer));
#else
	exit(0);
#endif
}],[
  ac_cv_crypt_blowfish=yes
],[
  ac_cv_crypt_blowfish=no
],[
  ac_cv_crypt_blowfish=no
])])
if test "$ac_cv_crypt_blowfish" = "yes"; then
  ac_result=1
else
  ac_result=0
fi
AC_DEFINE_UNQUOTED(PHP_BLOWFISH_CRYPT, $ac_result, [Whether the system supports BlowFish salt])

dnl
dnl Check for available functions
dnl
AC_CHECK_FUNCS(getcwd getwd asinh acosh atanh log1p hypot glob strfmon nice fpclass isinf isnan)
AC_FUNC_FNMATCH	

divert(5)dnl

dnl
dnl Check for regex library type
dnl
PHP_ARG_WITH(regex,,
[  --with-regex=TYPE       regex library type: system, apache, php. [TYPE=php]
                          WARNING: Do NOT use unless you know what you are doing!], php, no)

case $PHP_REGEX in
  system)
    if test "$PHP_SAPI" = "apache" || test "$PHP_SAPI" = "apache2filter" || test "$PHP_SAPI" = "apache2handler"; then
      REGEX_TYPE=php
    else
      REGEX_TYPE=system
    fi
    ;;
  apache)
    REGEX_TYPE=apache
    ;;
  php)
    REGEX_TYPE=php
    ;;
  *)
    REGEX_TYPE=php
    AC_MSG_WARN(Invalid regex library type selected. Using default value: php)
    ;;
esac

if test "$REGEX_TYPE" = "php"; then
  AC_DEFINE(HAVE_REGEX_T_RE_MAGIC, 1, [ ])
  AC_DEFINE(HSREGEX,1,[ ])
  AC_DEFINE(REGEX,1,[ ])  
  PHP_ADD_SOURCES(regex, regcomp.c regexec.c regerror.c regfree.c)
elif test "$REGEX_TYPE" = "system"; then
  AC_DEFINE(REGEX,0,[ ])
  dnl Check if field re_magic exists in struct regex_t
  AC_CACHE_CHECK([whether field re_magic exists in struct regex_t], ac_cv_regex_t_re_magic, [
  AC_TRY_COMPILE([#include <sys/types.h>
#include <regex.h>], [regex_t rt; rt.re_magic;],
  [ac_cv_regex_t_re_magic=yes], [ac_cv_regex_t_re_magic=no])])
  if test "$ac_cv_regex_t_re_magic" = "yes"; then
    AC_DEFINE([HAVE_REGEX_T_RE_MAGIC], [ ], 1)   
  fi 
fi   
AC_MSG_CHECKING([which regex library to use])
AC_MSG_RESULT([$REGEX_TYPE])

dnl
dnl round fuzz
dnl
AC_MSG_CHECKING([whether rounding works as expected])
AC_TRY_RUN([
#include <math.h>
  /* keep this out-of-line to prevent use of gcc inline floor() */
  double somefn(double n) {
    return floor(n*pow(10,2) + 0.5);
  }
  int main() {
    return somefn(0.045)/10.0 != 0.5;
  }
],[
  PHP_ROUND_FUZZ=0.5
  AC_MSG_RESULT(yes)
],[
  PHP_ROUND_FUZZ=0.50000000001
  AC_MSG_RESULT(no)
],[
  PHP_ROUND_FUZZ=0.50000000001
  AC_MSG_RESULT(cross compile)
])
AC_DEFINE_UNQUOTED(PHP_ROUND_FUZZ, $PHP_ROUND_FUZZ, [ see #24142 ])

dnl
dnl Check if there is a support means of creating a new process
dnl and defining which handles it receives
dnl
AC_CACHE_VAL(php_can_support_proc_open,[
AC_CHECK_FUNCS(fork CreateProcess, [
  php_can_support_proc_open=yes
  break
],[
  php_can_support_proc_open=no
])])
AC_MSG_CHECKING([if your OS can spawn processes with inherited handles])
if test "$php_can_support_proc_open" = "yes"; then
  AC_MSG_RESULT(yes)
  AC_DEFINE(PHP_CAN_SUPPORT_PROC_OPEN,1, [Define if your system has fork/vfork/CreateProcess])
else
  AC_MSG_RESULT(no)
fi

dnl getopt long options disabled for now
dnl as we can't be sure that we get the right getopt.h here
dnl using the standard AC_CHECK macros
dnl AC_CHECK_HEADERS(getopt.h)
dnl AC_CHECK_FUNCS(getopt_long getopt_long_only)

if test "$PHP_SAPI" = "cgi" || test "$PHP_SAPI" = "cli" || test "$PHP_SAPI" = "embed"; then
  AC_DEFINE(ENABLE_CHROOT_FUNC, 1, [Whether to enable chroot() function])
fi

dnl
dnl Detect library functions needed by php dns_xxx functions
dnl ext/standard/dns.h will collect these in a single define: HAVE_DNS_FUNCS
dnl
PHP_CHECK_FUNC(res_nmkquery, resolv, bind, socket)
PHP_CHECK_FUNC(res_nsend, resolv, bind, socket)
PHP_CHECK_FUNC(dn_expand, resolv, bind, socket)

dnl
dnl Check if atof() accepts NAN
dnl
AC_CACHE_CHECK(whether atof() accepts NAN, ac_cv_atof_accept_nan,[
AC_TRY_RUN([
#include <math.h>
#include <stdlib.h>

#ifdef HAVE_ISNAN
#define zend_isnan(a) isnan(a)
#elif defined(HAVE_FPCLASS)
#define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
#else
#define zend_isnan(a) 0
#endif

int main(int argc, char** argv)
{
	return zend_isnan(atof("NAN")) ? 0 : 1;
}
],[
  ac_cv_atof_accept_nan=yes
],[
  ac_cv_atof_accept_nan=no
],[
  ac_cv_atof_accept_nan=no
])])
if test "$ac_cv_atof_accept_nan" = "yes"; then
  AC_DEFINE([HAVE_ATOF_ACCEPTS_NAN], 1, [whether atof() accepts NAN])
fi

dnl
dnl Check if atof() accepts INF
dnl
AC_CACHE_CHECK(whether atof() accepts INF, ac_cv_atof_accept_inf,[
AC_TRY_RUN([
#include <math.h>
#include <stdlib.h>

#ifdef HAVE_ISINF
#define zend_isinf(a) isinf(a)
#elif defined(INFINITY)
/* Might not work, but is required by ISO C99 */
#define zend_isinf(a) (((a)==INFINITY)?1:0)
#elif defined(HAVE_FPCLASS)
#define zend_isinf(a) ((fpclass(a) == FP_PINF) || (fpclass(a) == FP_NINF))
#else
#define zend_isinf(a) 0
#endif

int main(int argc, char** argv)
{
	return zend_isinf(atof("INF")) && zend_isinf(atof("-INF")) ? 0 : 1;
}
],[
  ac_cv_atof_accept_inf=yes
],[
  ac_cv_atof_accept_inf=no
],[
  ac_cv_atof_accept_inf=no
])])
if test "$ac_cv_atof_accept_inf" = "yes"; then
  AC_DEFINE([HAVE_ATOF_ACCEPTS_INF], 1, [whether atof() accepts INF])
fi

dnl
dnl Check if HUGE_VAL == INF
dnl
AC_CACHE_CHECK(whether HUGE_VAL == INF, ac_cv_huge_val_inf,[
AC_TRY_RUN([
#include <math.h>
#include <stdlib.h>

#ifdef HAVE_ISINF
#define zend_isinf(a) isinf(a)
#elif defined(INFINITY)
/* Might not work, but is required by ISO C99 */
#define zend_isinf(a) (((a)==INFINITY)?1:0)
#elif defined(HAVE_FPCLASS)
#define zend_isinf(a) ((fpclass(a) == FP_PINF) || (fpclass(a) == FP_NINF))
#else
#define zend_isinf(a) 0
#endif

int main(int argc, char** argv)
{
	return zend_isinf(HUGE_VAL) ? 0 : 1;
}
],[
  ac_cv_huge_val_inf=yes
],[
  ac_cv_huge_val_inf=no
],[
  ac_cv_huge_val_inf=yes
])])
dnl This is the most probable fallback so we assume yes in case of cross compile.
if test "$ac_cv_huge_val_inf" = "yes"; then
  AC_DEFINE([HAVE_HUGE_VAL_INF], 1, [whether HUGE_VAL == INF])
fi

dnl
dnl Check if HUGE_VAL + -HUGEVAL == NAN
dnl
AC_CACHE_CHECK(whether HUGE_VAL + -HUGEVAL == NAN, ac_cv_huge_val_nan,[
AC_TRY_RUN([
#include <math.h>
#include <stdlib.h>

#ifdef HAVE_ISNAN
#define zend_isnan(a) isnan(a)
#elif defined(HAVE_FPCLASS)
#define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
#else
#define zend_isnan(a) 0
#endif

int main(int argc, char** argv)
{
#if defined(__sparc__) && !(__GNUC__ >= 3)
	/* prevent bug #27830 */
	return 1;
#else
	return zend_isnan(HUGE_VAL + -HUGE_VAL) ? 0 : 1;
#endif
}
],[
  ac_cv_huge_val_nan=yes
],[
  ac_cv_huge_val_nan=no
],[
  ac_cv_huge_val_nan=yes
])])
dnl This is the most probable fallback so we assume yes in case of cross compile.
if test "$ac_cv_huge_val_nan" = "yes"; then
  AC_DEFINE([HAVE_HUGE_VAL_NAN], 1, [whether HUGE_VAL + -HUGEVAL == NAN])
fi

dnl
dnl Check for strptime()
dnl
AC_CACHE_CHECK(whether strptime() declaration fails, ac_cv_strptime_decl_fails,[
AC_TRY_COMPILE([
#include <time.h>
],[
#ifndef HAVE_STRPTIME
#error no strptime() on this platform
#else
/* use invalid strptime() declaration to see if it fails to compile */
int strptime(const char *s, const char *format, struct tm *tm);
#endif
],[
  ac_cv_strptime_decl_fails=no
],[
  ac_cv_strptime_decl_fails=yes
])])
if test "$ac_cv_strptime_decl_fails" = "yes"; then
  AC_DEFINE([HAVE_STRPTIME_DECL_FAILS], 1, [whether strptime() declaration fails])
fi

dnl
dnl Check for i18n capabilities
dnl
AC_CHECK_HEADERS([wchar.h])
AC_CHECK_FUNCS([mblen])
AC_CHECK_FUNCS([mbrlen mbsinit],,,[
#ifdef HAVE_WCHAR_H
# include <wchar.h>
#endif
])
AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t],[
AC_TRY_COMPILE([
#ifdef HAVE_WCHAR_H
# include <wchar.h>
#endif
],[
int __tmp__() { mbstate_t a; }
],[
  ac_cv_type_mbstate_t=yes
],[
  ac_cv_type_mbstate_t=no
])])
if test "$ac_cv_type_mbstate_t" = "yes"; then
  AC_DEFINE([HAVE_MBSTATE_T], 1, [Define if your system has mbstate_t in wchar.h])
fi

dnl
dnl Setup extension sources
dnl
PHP_NEW_EXTENSION(standard, array.c base64.c basic_functions.c browscap.c crc32.c crypt.c \
                            cyr_convert.c datetime.c dir.c dl.c dns.c exec.c file.c filestat.c \
                            flock_compat.c formatted_print.c fsock.c head.c html.c image.c \
                            info.c iptc.c lcg.c link.c mail.c math.c md5.c metaphone.c \
                            microtime.c pack.c pageinfo.c quot_print.c rand.c \
                            reg.c soundex.c string.c scanf.c syslog.c type.c uniqid.c url.c \
                            url_scanner.c var.c versioning.c assert.c strnatcmp.c levenshtein.c \
                            incomplete_class.c url_scanner_ex.c ftp_fopen_wrapper.c \
                            http_fopen_wrapper.c php_fopen_wrapper.c credits.c css.c \
                            var_unserializer.c ftok.c sha1.c user_filters.c uuencode.c \
                            filters.c proc_open.c streamsfuncs.c http.c)

PHP_ADD_MAKEFILE_FRAGMENT
PHP_INSTALL_HEADERS([ext/standard/])