acinclude.m4

监控软件rrdtools

dnl $Id: acinclude.m4,v 1.218.2.24 2003/08/14 00:24:25 bfrance Exp $
dnl
dnl This file contains local autoconf functions.

dnl PHP_ADD_MAKEFILE_FRAGMENT([srcfile[, ext_srcdir[, ext_builddir]]])
dnl
dnl Processes a file called Makefile.frag in the source directory
dnl of the most recently added extension. $(srcdir) and $(builddir)
dnl are substituted with the proper paths. Can be used to supply
dnl custom rules and/or additional targets.
dnl
AC_DEFUN([PHP_ADD_MAKEFILE_FRAGMENT],[
  ifelse($1,,src=$ext_srcdir/Makefile.frag,src=$1)
  ifelse($2,,ac_srcdir=$ext_srcdir,ac_srcdir=$2)
  ifelse($3,,ac_builddir=$ext_builddir,ac_builddir=$3)
  sed -e "s#\$(srcdir)#$ac_srcdir#g" -e "s#\$(builddir)#$ac_builddir#g" $src  >> Makefile.fragments
])


dnl PHP_DEFINE(WHAT[, value])
dnl
dnl Creates builddir/include/what.h and in there #define WHAT value
dnl
AC_DEFUN([PHP_DEFINE],[
  [echo "#define ]$1[]ifelse([$2],,[ 1],[ $2])[" > include/php_]translit($1,A-Z,a-z)[.h]
])

dnl PHP_INIT_BUILD_SYSTEM
dnl
AC_DEFUN([PHP_INIT_BUILD_SYSTEM],[
test -d include || mkdir include
> Makefile.objects
> Makefile.fragments
dnl We need to play tricks here to avoid matching the egrep line itself
pattern=define
egrep $pattern'.*include/php' $srcdir/configure|sed 's/.*>//'|xargs touch 2>/dev/null
])

dnl PHP_GEN_GLOBAL_MAKEFILE
dnl 
dnl Generates the global makefile.
dnl
AC_DEFUN([PHP_GEN_GLOBAL_MAKEFILE],[
  cat >Makefile <<EOF
srcdir = $abs_srcdir
builddir = $abs_builddir
top_srcdir = $abs_srcdir
top_builddir = $abs_builddir
EOF
  for i in $PHP_VAR_SUBST; do
    eval echo "$i = \$$i" >> Makefile
  done

  cat $abs_srcdir/Makefile.global Makefile.fragments Makefile.objects >> Makefile
])

dnl PHP_ADD_SOURCES(source-path, sources[, special-flags[, type]])
dnl
dnl Adds sources which are located relative to source-path to the 
dnl array of type type.  Sources are processed with optional 
dnl special-flags which are passed to the compiler.  Sources
dnl can be either written in C or C++ (filenames shall end in .c 
dnl or .cpp, respectively).
dnl
dnl Note: If source-path begins with a "/", the "/" is removed and
dnl the path is interpreted relative to the top build-directory.
dnl
dnl which array to append to?
AC_DEFUN([PHP_ADD_SOURCES],[
  PHP_ADD_SOURCES_X($1, $2, $3, ifelse($4,cli,PHP_CLI_OBJS,ifelse($4,sapi,PHP_SAPI_OBJS,PHP_GLOBAL_OBJS)))
])
dnl
dnl _PHP_ASSIGN_BUILD_VARS(type)
dnl internal, don't use
AC_DEFUN([_PHP_ASSIGN_BUILD_VARS],[
ifelse($1,shared,[
  b_c_pre=$shared_c_pre
  b_cxx_pre=$shared_cxx_pre
  b_c_meta=$shared_c_meta
  b_cxx_meta=$shared_cxx_meta
  b_c_post=$shared_c_post
  b_cxx_post=$shared_cxx_post
],[
  b_c_pre=$php_c_pre
  b_cxx_pre=$php_cxx_pre
  b_c_meta=$php_c_meta
  b_cxx_meta=$php_cxx_meta
  b_c_post=$php_c_post
  b_cxx_post=$php_cxx_post
])dnl
  b_lo=[$]$1_lo
])

dnl PHP_ADD_SOURCES_X(source-path, sources[, special-flags[, target-var[, shared[, special-post-flags]]]])
dnl
dnl Additional to PHP_ADD_SOURCES (see above), this lets you set the
dnl name of the array target-var directly, as well as whether
dnl shared objects will be built from the sources.  Should not be 
dnl used directly.
dnl 
AC_DEFUN([PHP_ADD_SOURCES_X],[
dnl relative to source- or build-directory?
dnl ac_srcdir/ac_bdir include trailing slash
  case $1 in
  ""[)] ac_srcdir="$abs_srcdir/"; unset ac_bdir; ac_inc="-I. -I$abs_srcdir" ;;
  /*[)] ac_srcdir=`echo "$1"|cut -c 2-`"/"; ac_bdir=$ac_srcdir; ac_inc="-I$ac_bdir -I$abs_srcdir/$ac_bdir" ;;
  *[)] ac_srcdir="$abs_srcdir/$1/"; ac_bdir="$1/"; ac_inc="-I$ac_bdir -I$ac_srcdir" ;;
  esac
  
dnl how to build .. shared or static?
  ifelse($5,yes,_PHP_ASSIGN_BUILD_VARS(shared),_PHP_ASSIGN_BUILD_VARS(php))

dnl iterate over the sources
  old_IFS=[$]IFS
  for ac_src in $2; do
  
dnl remove the suffix
      IFS=.
      set $ac_src
      ac_obj=[$]1
      IFS=$old_IFS
      
dnl append to the array which has been dynamically chosen at m4 time
      $4="[$]$4 [$]ac_bdir[$]ac_obj.lo"

dnl choose the right compiler/flags/etc. for the source-file
      case $ac_src in
	  *.c[)] ac_comp="$b_c_pre $3 $ac_inc $b_c_meta -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $6$b_c_post" ;;
	  *.cpp[)] ac_comp="$b_cxx_pre $3 $ac_inc $b_cxx_meta -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $6$b_cxx_post" ;;
      esac

dnl create a rule for the object/source combo
	  cat >>Makefile.objects<<EOF
$ac_bdir[$]ac_obj.lo: $ac_srcdir[$]ac_src
	$ac_comp
EOF
  done
])

dnl
dnl Disable building CLI
dnl
AC_DEFUN([PHP_DISABLE_CLI],[
  disable_cli=1
])
	
dnl
dnl Separator into the configure --help display.
dnl 
AC_DEFUN([PHP_HELP_SEPARATOR],[
AC_ARG_ENABLE([],[
$1
],[])
])

dnl
dnl PHP_TARGET_RDYNAMIC
dnl
dnl Checks whether -rdynamic is supported by the compiler.  This
dnl is necessary for some targets to populate the global symbol
dnl table.  Otherwise, dynamic modules would not be able to resolve
dnl PHP-related symbols.
dnl
dnl If successful, adds -rdynamic to PHP_LDFLAGS.
dnl
AC_DEFUN([PHP_TARGET_RDYNAMIC],[
  if test -n "$GCC"; then
    dnl we should use a PHP-specific macro here
    TSRM_CHECK_GCC_ARG(-rdynamic, gcc_rdynamic=yes)
    if test "$gcc_rdynamic" = "yes"; then
      PHP_LDFLAGS="$PHP_LDFLAGS -rdynamic"
    fi
  fi
])

AC_DEFUN([PHP_REMOVE_USR_LIB],[
  unset ac_new_flags
  for i in [$]$1; do
    case [$]i in
    -L/usr/lib|-L/usr/lib/[)] ;;
    *[)] ac_new_flags="[$]ac_new_flags [$]i" ;;
    esac
  done
  $1=[$]ac_new_flags
])

AC_DEFUN([PHP_SETUP_OPENSSL],[
  if test "$PHP_OPENSSL" = "yes"; then
    PHP_OPENSSL="/usr/local/ssl /usr/local /usr /usr/local/openssl"
  fi

  for i in $PHP_OPENSSL; do
    if test -r $i/include/openssl/evp.h; then
      OPENSSL_INCDIR=$i/include
    fi
    if test -r $i/lib/libssl.a -o -r $i/lib/libssl.$SHLIB_SUFFIX_NAME; then
      OPENSSL_LIBDIR=$i/lib
    fi
  done

  if test -z "$OPENSSL_INCDIR"; then
    AC_MSG_ERROR([Cannot find OpenSSL's <evp.h>])
  fi

  if test -z "$OPENSSL_LIBDIR"; then
    AC_MSG_ERROR([Cannot find OpenSSL's libraries])
  fi

  old_CPPFLAGS=$CPPFLAGS
  CPPFLAGS=-I$OPENSSL_INCDIR
  AC_MSG_CHECKING([for OpenSSL version])
  AC_EGREP_CPP(yes,[
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER >= 0x0090600fL
  yes
#endif
  ],[
    AC_MSG_RESULT([>= 0.9.6])
  ],[
    AC_MSG_ERROR([OpenSSL version 0.9.6 or greater required.])
  ])
  CPPFLAGS=$old_CPPFLAGS

  PHP_ADD_INCLUDE($OPENSSL_INCDIR)
  PHP_ADD_LIBPATH($OPENSSL_LIBDIR)

  PHP_CHECK_LIBRARY(crypto, CRYPTO_free, [
    PHP_ADD_LIBRARY(crypto)
  ],[
    AC_MSG_ERROR([libcrypto not found!])
  ],[
    -L$OPENSSL_LIBDIR
  ])

  PHP_CHECK_LIBRARY(ssl, SSL_CTX_set_ssl_version, [
    PHP_ADD_LIBRARY(ssl)
  ],[
    AC_MSG_ERROR([libssl not found!])
  ],[
    -L$OPENSSL_LIBDIR
  ])

  OPENSSL_INCDIR_OPT=-I$OPENSSL_INCDIR
  AC_SUBST(OPENSSL_INCDIR_OPT)
])

dnl PHP_EVAL_LIBLINE(LINE, SHARED-LIBADD)
dnl
dnl Use this macro, if you need to add libraries and or library search
dnl paths to the PHP build system which are only given in compiler
dnl notation.
dnl
AC_DEFUN([PHP_EVAL_LIBLINE],[
  for ac_i in $1; do
    case $ac_i in
    -l*[)]
      ac_ii=`echo $ac_i|cut -c 3-`
      PHP_ADD_LIBRARY($ac_ii,1,$2)
    ;;
    -L*[)]
      ac_ii=`echo $ac_i|cut -c 3-`
      PHP_ADD_LIBPATH($ac_ii,$2)
    ;;
    esac
  done
])

dnl PHP_EVAL_INCLINE(LINE)
dnl
dnl Use this macro, if you need to add header search paths to the PHP
dnl build system which are only given in compiler notation.
dnl
AC_DEFUN([PHP_EVAL_INCLINE],[
  for ac_i in $1; do
    case $ac_i in
    -I*[)]
      ac_ii=`echo $ac_i|cut -c 3-`
      PHP_ADD_INCLUDE($ac_ii)
    ;;
    esac
  done
])

AC_DEFUN([PHP_READDIR_R_TYPE],[
  dnl HAVE_READDIR_R is also defined by libmysql
  AC_CHECK_FUNC(readdir_r,ac_cv_func_readdir_r=yes,ac_cv_func_readdir=no)
  if test "$ac_cv_func_readdir_r" = "yes"; then
  AC_CACHE_CHECK(for type of readdir_r, ac_cv_what_readdir_r,[
    AC_TRY_RUN([
#define _REENTRANT
#include <sys/types.h>
#include <dirent.h>

#ifndef PATH_MAX
#define PATH_MAX 1024
#endif

main() {
	DIR *dir;
	char entry[sizeof(struct dirent)+PATH_MAX];
	struct dirent *pentry = (struct dirent *) &entry;

	dir = opendir("/");
	if (!dir) 
		exit(1);
	if (readdir_r(dir, (struct dirent *) entry, &pentry) == 0)
		exit(0);
	exit(1);
}
    ],[
      ac_cv_what_readdir_r=POSIX
    ],[
      AC_TRY_CPP([
#define _REENTRANT
#include <sys/types.h>
#include <dirent.h>
int readdir_r(DIR *, struct dirent *);
        ],[
          ac_cv_what_readdir_r=old-style
        ],[
          ac_cv_what_readdir_r=none
      ])
    ],[
      ac_cv_what_readdir_r=none
   ])
  ])
    case $ac_cv_what_readdir_r in
    POSIX)
      AC_DEFINE(HAVE_POSIX_READDIR_R,1,[whether you have POSIX readdir_r]);;
    old-style)
      AC_DEFINE(HAVE_OLD_READDIR_R,1,[whether you have old-style readdir_r]);;
    esac
  fi
])

AC_DEFUN([PHP_SHLIB_SUFFIX_NAME],[
  PHP_SUBST(SHLIB_SUFFIX_NAME)
  SHLIB_SUFFIX_NAME=so
  case $host_alias in
  *hpux*[)]
	SHLIB_SUFFIX_NAME=sl
	;;
  *darwin*[)]
	SHLIB_SUFFIX_NAME=dylib
	;;
  esac
])

AC_DEFUN([PHP_DEBUG_MACRO],[
  DEBUG_LOG=$1
  cat >$1 <<X
CONFIGURE:  $CONFIGURE_COMMAND
CC:         $CC
CFLAGS:     $CFLAGS
CPPFLAGS:   $CPPFLAGS
CXX:        $CXX
CXXFLAGS:   $CXXFLAGS
INCLUDES:   $INCLUDES
LDFLAGS:    $LDFLAGS
LIBS:       $LIBS
DLIBS:      $DLIBS
SAPI:       $PHP_SAPI
PHP_RPATHS: $PHP_RPATHS
uname -a:   `uname -a`

X
    cat >conftest.$ac_ext <<X
main()
{
  exit(0);
}
X
    (eval echo \"$ac_link\"; eval $ac_link && ./conftest) >>$1 2>&1
    rm -fr conftest*
])

AC_DEFUN([PHP_DOES_PWRITE_WORK],[
  AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
$1
    main() {
    int fd = open("conftest_in", O_WRONLY|O_CREAT, 0600);

    if (fd < 0) exit(1);
    if (pwrite(fd, "text", 4, 0) != 4) exit(1);
    /* Linux glibc breakage until 2.2.5 */
    if (pwrite(fd, "text", 4, -1) != -1 || errno != EINVAL) exit(1);
    exit(0);
    }

  ],[
    ac_cv_pwrite=yes
  ],[
    ac_cv_pwrite=no
  ],[
    ac_cv_pwrite=no
  ])
])

AC_DEFUN([PHP_DOES_PREAD_WORK],[
  echo test > conftest_in
  AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
$1
    main() {
    char buf[3]; 
    int fd = open("conftest_in", O_RDONLY);
    if (fd < 0) exit(1);
    if (pread(fd, buf, 2, 0) != 2) exit(1);
    /* Linux glibc breakage until 2.2.5 */
    if (pread(fd, buf, 2, -1) != -1 || errno != EINVAL) exit(1);
    exit(0);
    }
  ],[
    ac_cv_pread=yes
  ],[
    ac_cv_pread=no
  ],[
    ac_cv_pread=no
  ])
  rm -f conftest_in
])

AC_DEFUN([PHP_PWRITE_TEST],[
  AC_CACHE_CHECK(whether pwrite works,ac_cv_pwrite,[
    PHP_DOES_PWRITE_WORK
    if test "$ac_cv_pwrite" = "no"; then
      PHP_DOES_PWRITE_WORK([ssize_t pwrite(int, void *, size_t, off64_t);])
      if test "$ac_cv_pwrite" = "yes"; then
        ac_cv_pwrite=64
      fi
    fi
  ])

  if test "$ac_cv_pwrite" != "no"; then
    AC_DEFINE(HAVE_PWRITE, 1, [ ])
    if test "$ac_cv_pwrite" = "64"; then
      AC_DEFINE(PHP_PWRITE_64, 1, [whether pwrite64 is default])
    fi
  fi  
])

AC_DEFUN([PHP_PREAD_TEST],[
  AC_CACHE_CHECK(whether pread works,ac_cv_pread,[
    PHP_DOES_PREAD_WORK
    if test "$ac_cv_pread" = "no"; then
      PHP_DOES_PREAD_WORK([ssize_t pread(int, void *, size_t, off64_t);])
      if test "$ac_cv_pread" = "yes"; then
        ac_cv_pread=64
      fi
    fi
  ])

  if test "$ac_cv_pread" != "no"; then
    AC_DEFINE(HAVE_PREAD, 1, [ ])
    if test "$ac_cv_pread" = "64"; then
      AC_DEFINE(PHP_PREAD_64, 1, [whether pread64 is default])
    fi
  fi  
])

AC_DEFUN([PHP_MISSING_TIME_R_DECL],[
  AC_MSG_CHECKING([for missing declarations of reentrant functions])
  AC_TRY_COMPILE([#include <time.h>],[struct tm *(*func)() = localtime_r],[
    :
  ],[
    AC_DEFINE(MISSING_LOCALTIME_R_DECL,1,[Whether localtime_r is declared])
  ])
  AC_TRY_COMPILE([#include <time.h>],[struct tm *(*func)() = gmtime_r],[
    :
  ],[
    AC_DEFINE(MISSING_GMTIME_R_DECL,1,[Whether gmtime_r is declared])
  ])
  AC_TRY_COMPILE([#include <time.h>],[char *(*func)() = asctime_r],[
    :
  ],[
    AC_DEFINE(MISSING_ASCTIME_R_DECL,1,[Whether asctime_r is declared])
  ])
  AC_TRY_COMPILE([#include <time.h>],[char *(*func)() = ctime_r],[
    :
  ],[
    AC_DEFINE(MISSING_CTIME_R_DECL,1,[Whether ctime_r is declared])
  ])
  AC_TRY_COMPILE([#include <string.h>],[char *(*func)() = strtok_r],[
    :
  ],[
    AC_DEFINE(MISSING_STRTOK_R_DECL,1,[Whether strtok_r is declared])
  ])
  AC_MSG_RESULT([done])
])

dnl
dnl PHP_LIBGCC_LIBPATH(gcc)
dnl Stores the location of libgcc in libgcc_libpath
dnl
AC_DEFUN([PHP_LIBGCC_LIBPATH],[
  changequote({,})
  libgcc_libpath=`$1 --print-libgcc-file-name|sed 's%/*[^/][^/]*$%%'`
  changequote([,])
])

AC_DEFUN([PHP_ARG_ANALYZE_EX],[
ext_output="yes, shared"
ext_shared=yes
case [$]$1 in
shared,*[)]
  $1=`echo "[$]$1"|sed 's/^shared,//'`
  ;;
shared[)]
  $1=yes
  ;;
no[)]
  ext_output=no
  ext_shared=no
  ;;
*[)]
  ext_output=yes
  ext_shared=no
  ;;
esac

PHP_ALWAYS_SHARED([$1])
])

AC_DEFUN([PHP_ARG_ANALYZE],[
ifelse([$3],yes,[PHP_ARG_ANALYZE_EX([$1])],[ext_output=ifelse([$]$1,,no,[$]$1)])
ifelse([$2],,,[AC_MSG_RESULT([$ext_output])])
])

dnl
dnl PHP_ARG_WITH(arg-name, check message, help text[, default-val[, extension-or-not]])
dnl Sets PHP_ARG_NAME either to the user value or to the default value.
dnl default-val defaults to no.  This will also set the variable ext_shared,
dnl and will overwrite any previous variable of that name.
dnl If extension-or-not is yes (default), then do the ENABLE_ALL check and run
dnl the PHP_ARG_ANALYZE_EX.
dnl
AC_DEFUN([PHP_ARG_WITH],[
PHP_REAL_ARG_WITH([$1],[$2],[$3],[$4],PHP_[]translit($1,a-z0-9-,A-Z0-9_),[ifelse($5,,yes,$5)])
])

AC_DEFUN([PHP_REAL_ARG_WITH],[
ifelse([$2],,,[AC_MSG_CHECKING([$2])])
AC_ARG_WITH($1,[$3],$5=[$]withval,
[
  $5=ifelse($4,,no,$4)

  if test "$PHP_ENABLE_ALL" && test "$6" = "yes"; then
    $5=$PHP_ENABLE_ALL
  fi
])
PHP_ARG_ANALYZE($5,[$2],$6)
])

dnl
dnl PHP_ARG_ENABLE(arg-name, check message, help text[, default-val[, extension-or-not]])
dnl Sets PHP_ARG_NAME either to the user value or to the default value.
dnl default-val defaults to no.  This will also set the variable ext_shared,
dnl and will overwrite any previous variable of that name.
dnl If extension-or-not is yes (default), then do the ENABLE_ALL check and run
dnl the PHP_ARG_ANALYZE_EX.
dnl
AC_DEFUN([PHP_ARG_ENABLE],[
PHP_REAL_ARG_ENABLE([$1],[$2],[$3],[$4],PHP_[]translit($1,a-z-,A-Z_),[ifelse($5,,yes,$5)])
])

AC_DEFUN([PHP_REAL_ARG_ENABLE],[
ifelse([$2],,,[AC_MSG_CHECKING([$2])])
AC_ARG_ENABLE($1,[$3],$5=[$]enableval,
[
  $5=ifelse($4,,no,$4)

  if test "$PHP_ENABLE_ALL" && test "$6" = "yes"; then
    $5=$PHP_ENABLE_ALL
  fi
])
PHP_ARG_ANALYZE($5,[$2],$6)
])

AC_DEFUN([PHP_MODULE_PTR],[
  EXTRA_MODULE_PTRS="$EXTRA_MODULE_PTRS $1,"
])
 
AC_DEFUN([PHP_CONFIG_NICE],[
  test -f $1 && mv $1 $1.old
  rm -f $1.old
  cat >$1<<EOF
#! /bin/sh
#
# Created by configure

EOF