php-src/scripts/phpize.m4
Peter Kokot 0b0d4b5f0d Bump minimum Autoconf requirement to 2.68
This patch syncs and bumps the minimum required version of Autoconf for
the `phpize.m4` script and the main `configure.ac` from previously mixed
2.64 and 2.59 to 2.68.

At the time of this writing Autoconf 2.63 is still the version on
Centos 6, however by the PHP 7.3 release current systems out there
should all have pretty much updated Autoconf versions to 2.64+ at
least. Centos 7 already has Autoconf 2.69, for example.

This provides more options to update and get current with the *nix
build system and also avoids broken builds in certain cases as pointed
out in the relevant discussion [1].

Additionally, phpize also already provides the `AX_CHECK_COMPILE_FLAG`
Autoconf Archive m4 file that has Autoconf 2.64 minimum requirement.

Autoconf 2.68 was released in 2010, 8 years ago, relative to this patch.

[1] https://github.com/php/php-src/pull/3562
2018-10-09 21:06:10 +02:00

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dnl This file becomes configure.ac for self-contained extensions.
AC_PREREQ([2.68])
AC_INIT(config.m4)
ifdef([AC_PRESERVE_HELP_ORDER], [AC_PRESERVE_HELP_ORDER], [])
PHP_CONFIG_NICE(config.nice)
dnl
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" && $1=yes
])dnl
dnl
test -z "$CFLAGS" && auto_cflags=1
abs_srcdir=`(cd $srcdir && pwd)`
abs_builddir=`pwd`
AC_PROG_CC([cc gcc])
PHP_DETECT_ICC
PHP_DETECT_SUNCC
AC_PROG_CC_C_O
dnl Support systems with system libraries in e.g. /usr/lib64
PHP_ARG_WITH(libdir, for system library directory,
[ --with-libdir=NAME Look for libraries in .../NAME rather than .../lib], lib, no)
PHP_RUNPATH_SWITCH
PHP_SHLIB_SUFFIX_NAMES
dnl Find php-config script
PHP_ARG_WITH(php-config,,
[ --with-php-config=PATH Path to php-config [php-config]], php-config, no)
dnl For BC
PHP_CONFIG=$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=`$PHP_CONFIG --php-binary 2>/dev/null`
if test -z "$prefix"; then
AC_MSG_ERROR([Cannot find php-config. Please use --with-php-config=PATH])
fi
php_shtool=$srcdir/build/shtool
PHP_INIT_BUILD_SYSTEM
AC_MSG_CHECKING([for PHP prefix])
AC_MSG_RESULT([$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([$phpincludedir])
dnl Checks for PHP_DEBUG / ZEND_DEBUG / ZTS
AC_MSG_CHECKING([if debug is enabled])
old_CPPFLAGS=$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([$PHP_DEBUG])
AC_MSG_CHECKING([if zts is enabled])
old_CPPFLAGS=$CPPFLAGS
CPPFLAGS="-I$phpincludedir"
AC_EGREP_CPP(php_zts_is_enabled,[
#include <main/php_config.h>
#if ZTS
php_zts_is_enabled
#endif
],[
PHP_THREAD_SAFETY=yes
],[
PHP_THREAD_SAFETY=no
])
CPPFLAGS=$old_CPPFLAGS
AC_MSG_RESULT([$PHP_THREAD_SAFETY])
dnl Support for building and testing Zend extensions
ZEND_EXT_TYPE="zend_extension"
PHP_SUBST(ZEND_EXT_TYPE)
dnl Discard optimization flags when debugging is enabled
if test "$PHP_DEBUG" = "yes"; then
PHP_DEBUG=1
ZEND_DEBUG=yes
changequote({,})
CFLAGS=`echo "$CFLAGS" | $SED -e 's/-O[0-9s]*//g'`
CXXFLAGS=`echo "$CXXFLAGS" | $SED -e 's/-O[0-9s]*//g'`
changequote([,])
dnl add -O0 only if GCC or ICC is used
if test "$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="$CFLAGS -g"
fi
fi
else
PHP_DEBUG=0
ZEND_DEBUG=no
fi
dnl Always shared
PHP_BUILD_SHARED
dnl Required programs
PHP_PROG_RE2C
PHP_PROG_AWK
sinclude(config.m4)
enable_static=no
enable_shared=yes
dnl Only allow AC_PROG_CXX and AC_PROG_CXXCPP if they are explicitly called (by PHP_REQUIRE_CXX).
dnl Otherwise AC_PROG_LIBTOOL fails if there is no working C++ compiler.
AC_PROVIDE_IFELSE([PHP_REQUIRE_CXX], [], [
undefine([AC_PROG_CXX])
AC_DEFUN([AC_PROG_CXX], [])
undefine([AC_PROG_CXXCPP])
AC_DEFUN([AC_PROG_CXXCPP], [php_prog_cxxcpp=disabled])
])
AC_PROG_LIBTOOL
all_targets='$(PHP_MODULES) $(PHP_ZEND_EX)'
install_targets="install-modules install-headers"
phplibdir="`pwd`/modules"
CPPFLAGS="$CPPFLAGS -DHAVE_CONFIG_H"
CFLAGS_CLEAN='$(CFLAGS)'
CXXFLAGS_CLEAN='$(CXXFLAGS)'
test "$prefix" = "NONE" && prefix="/usr/local"
test "$exec_prefix" = "NONE" && exec_prefix='$(prefix)'
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(prefix)
PHP_SUBST(phplibdir)
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(LFLAGS)
PHP_SUBST(LDFLAGS)
PHP_SUBST(SHARED_LIBTOOL)
PHP_SUBST(LIBTOOL)
PHP_SUBST(SHELL)
PHP_SUBST(INSTALL_HEADERS)
PHP_GEN_BUILD_DIRS
PHP_GEN_GLOBAL_MAKEFILE
test -d modules || $php_shtool mkdir modules
touch .deps
AC_CONFIG_HEADERS([config.h])
AC_OUTPUT