dnl $Id$ -*- sh -*-

divert(3)dnl

dnl
dnl Check if flush should be called explicitly after buffered io
dnl
AC_DEFUN(AC_FLUSH_IO,[
  AC_CACHE_CHECK([whether flush should be called explicitly after a bufferered 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
AC_DEFUN(AC_CRYPT_CAP,[

  AC_CACHE_CHECK(for standard DES crypt, ac_cv_crypt_des,[
  AC_TRY_RUN([
#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_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_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_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])
])

AC_CHECK_FUNC(dlopen, [AC_DEFINE(HAVE_LIBDL,1,[ ])])

AC_CHECK_LIB(pam, pam_start, [
  EXTRA_LIBS="$EXTRA_LIBS -lpam"
  AC_DEFINE(HAVE_LIBPAM,1,[ ]) ], []) 

AC_CHECK_FUNCS(getcwd getwd)

AC_CRYPT_CAP
AC_FLUSH_IO

divert(5)dnl

AC_ARG_WITH(regex,
[  --with-regex=TYPE       regex library type: system, apache, php],
[
  case $withval in 
    system)
      REGEX_TYPE=system
      ;;
    apache)
      REGEX_TYPE=apache
      ;;
    php)
      REGEX_TYPE=php
      ;;
    *)
      REGEX_TYPE=php
      AC_MSG_WARN(Invalid regex library type. Using default value: php)
      ;;
  esac
],[
  REGEX_TYPE=php
])
	
AC_ARG_WITH(system-regex,
[  --with-system-regex     (deprecated) Use system regex library],[
  if test "$withval" = "yes"; then
    REGEX_TYPE=system
  else
    REGEX_TYPE=php
  fi
])

PHP_EXTENSION(standard)