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Filename : phpize.m4
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dnl This file becomes configure.ac for self-contained extensions.

dnl Include external macro definitions before the AC_INIT to also remove
dnl comments starting with # and empty newlines from the included files.
m4_include([build/ax_check_compile_flag.m4])
m4_include([build/ax_gcc_func_attribute.m4])
m4_include([build/libtool.m4])
m4_include([build/php_cxx_compile_stdcxx.m4])
m4_include([build/php.m4])
m4_include([build/pkg.m4])

AC_PREREQ([2.68])
AC_INIT
AC_CONFIG_SRCDIR([config.m4])
AC_CONFIG_AUX_DIR([build])
AC_PRESERVE_HELP_ORDER

PHP_CONFIG_NICE([config.nice])

AC_DEFUN([PHP_EXT_BUILDDIR],[.])dnl
AC_DEFUN([PHP_EXT_DIR],[""])dnl
AC_DEFUN([PHP_EXT_SRCDIR],[$abs_srcdir])dnl
AC_DEFUN([PHP_ALWAYS_SHARED],[
  ext_output="yes, shared"
  ext_shared=yes
  test "[$]$1" = "no" && $1=yes
])dnl

PHP_INIT_BUILD_SYSTEM

PKG_PROG_PKG_CONFIG
AC_PROG_CC([cc gcc])
PHP_DETECT_ICC
PHP_DETECT_SUNCC

dnl Support systems with system libraries in e.g. /usr/lib64.
PHP_ARG_WITH([libdir],
  [for system library directory],
  [AS_HELP_STRING([--with-libdir=NAME],
    [Look for libraries in .../NAME rather than .../lib])],
  [lib],
  [no])

PHP_RUNPATH_SWITCH
PHP_SHLIB_SUFFIX_NAMES

dnl Find php-config script.
PHP_ARG_WITH([php-config],,
  [AS_HELP_STRING([--with-php-config=PATH],
    [Path to php-config [php-config]])],
  [php-config],
  [no])

dnl For BC.
PHP_CONFIG=$PHP_PHP_CONFIG
prefix=$($PHP_CONFIG --prefix 2>/dev/null)
phpincludedir=$($PHP_CONFIG --include-dir 2>/dev/null)
INCLUDES=$($PHP_CONFIG --includes 2>/dev/null)
EXTENSION_DIR=$($PHP_CONFIG --extension-dir 2>/dev/null)
PHP_EXECUTABLE=$($PHP_CONFIG --php-binary 2>/dev/null)

AS_VAR_IF([prefix],,
  [AC_MSG_ERROR([Cannot find php-config. Please use --with-php-config=PATH])])

AC_MSG_CHECKING([for PHP prefix])
AC_MSG_RESULT([$prefix])
AC_MSG_CHECKING([for PHP includes])
AC_MSG_RESULT([$INCLUDES])
AC_MSG_CHECKING([for PHP extension directory])
AC_MSG_RESULT([$EXTENSION_DIR])
AC_MSG_CHECKING([for PHP installed headers prefix])
AC_MSG_RESULT([$phpincludedir])

dnl Checks for PHP_DEBUG / ZEND_DEBUG / ZTS.
AC_MSG_CHECKING([if debugging is enabled])
old_CPPFLAGS=$CPPFLAGS
CPPFLAGS="-I$phpincludedir"
AC_EGREP_CPP([php_debug_is_enabled], [
#include <main/php_config.h>
#if ZEND_DEBUG
php_debug_is_enabled
#endif
],
  [PHP_DEBUG=yes],
  [PHP_DEBUG=no])
CPPFLAGS=$old_CPPFLAGS
AC_MSG_RESULT([$PHP_DEBUG])

AC_MSG_CHECKING([if PHP is built with thread safety (ZTS)])
old_CPPFLAGS=$CPPFLAGS
CPPFLAGS="-I$phpincludedir"
AC_EGREP_CPP([php_zts_is_enabled], [
#include <main/php_config.h>
#ifdef ZTS
php_zts_is_enabled
#endif
],
  [PHP_THREAD_SAFETY=yes],
  [PHP_THREAD_SAFETY=no])
CPPFLAGS=$old_CPPFLAGS
AC_MSG_RESULT([$PHP_THREAD_SAFETY])

dnl Discard optimization flags when debugging is enabled.
AS_VAR_IF([PHP_DEBUG], [yes], [
  PHP_DEBUG=1
  ZEND_DEBUG=yes
  PHP_REMOVE_OPTIMIZATION_FLAGS
  dnl Add -O0 only if GCC or ICC is used.
  if test "$GCC" = "yes" || test "$ICC" = "yes"; then
    CFLAGS="$CFLAGS -O0"
    CXXFLAGS="$CXXFLAGS -g -O0"
  fi
  if test "$SUNCC" = "yes"; then
    if test -n "$auto_cflags"; then
      CFLAGS="-g"
      CXXFLAGS="-g"
    else
      CFLAGS="$CFLAGS -g"
      CXXFLAGS="$CFLAGS -g"
    fi
  fi
], [
  PHP_DEBUG=0
  ZEND_DEBUG=no
])

dnl Always shared.
PHP_BUILD_SHARED

PHP_HELP_SEPARATOR([Extension:])
PHP_CONFIGURE_PART([Configuring extension])

sinclude(config.m4)

enable_static=no
enable_shared=yes

PHP_HELP_SEPARATOR([Libtool:])
PHP_CONFIGURE_PART([Configuring libtool])

dnl Only allow AC_PROG_CXX and AC_PROG_CXXCPP if they are explicitly called (by
dnl PHP_REQUIRE_CXX). Otherwise AC_PROG_LIBTOOL fails if there is no working C++
dnl compiler.
AC_PROVIDE_IFELSE([PHP_REQUIRE_CXX], [], [
  undefine([AC_PROG_CXX])
  AC_DEFUN([AC_PROG_CXX], [])
  undefine([AC_PROG_CXXCPP])
  AC_DEFUN([AC_PROG_CXXCPP], [php_prog_cxxcpp=disabled])
])
AC_PROG_LIBTOOL

all_targets='$(PHP_MODULES) $(PHP_ZEND_EX)'
install_targets="install-modules install-headers"
CPPFLAGS="$CPPFLAGS -DHAVE_CONFIG_H"
CFLAGS_CLEAN='$(CFLAGS) -D_GNU_SOURCE'
CXXFLAGS_CLEAN='$(CXXFLAGS)'

AS_VAR_IF([prefix], [NONE], [prefix=/usr/local])
AS_VAR_IF([exec_prefix], [NONE], [exec_prefix='$(prefix)'])

AS_VAR_IF([cross_compiling], [yes],
  [AC_CHECK_PROGS([BUILD_CC], [gcc clang c99 c89 cc cl], [none])
    AC_MSG_CHECKING([for native build C compiler])
    AC_MSG_RESULT([$BUILD_CC])],
  [BUILD_CC=$CC])

PHP_SUBST([PHP_MODULES])
PHP_SUBST([PHP_ZEND_EX])
PHP_SUBST([all_targets])
PHP_SUBST([install_targets])
PHP_SUBST([prefix])
PHP_SUBST([exec_prefix])
PHP_SUBST([libdir])
PHP_SUBST([phpincludedir])
PHP_SUBST([CC])
PHP_SUBST([CFLAGS])
PHP_SUBST([CFLAGS_CLEAN])
PHP_SUBST([CPP])
PHP_SUBST([CPPFLAGS])
PHP_SUBST([CXX])
PHP_SUBST([CXXFLAGS])
PHP_SUBST([CXXFLAGS_CLEAN])
PHP_SUBST([EXTENSION_DIR])
PHP_SUBST([PHP_EXECUTABLE])
PHP_SUBST([EXTRA_LDFLAGS])
PHP_SUBST([EXTRA_LIBS])
PHP_SUBST([INCLUDES])
PHP_SUBST([LDFLAGS])
PHP_SUBST([LIBTOOL])
PHP_SUBST([SHELL])
PHP_SUBST([INSTALL_HEADERS])
PHP_SUBST([BUILD_CC])

PHP_CONFIGURE_PART([Generating files])

AC_CONFIG_HEADERS([config.h])

AC_CONFIG_COMMANDS_PRE([PHP_PATCH_CONFIG_HEADERS([config.h.in])])

AC_OUTPUT