1PHP_ARG_WITH([gmp], 2 [for GNU MP support], 3 [AS_HELP_STRING([[--with-gmp[=DIR]]], 4 [Include GNU MP support. Use PKG_CONFIG_PATH (or GMP_CFLAGS and GMP_LIBS) 5 environment variables, or alternatively the optional DIR argument to 6 customize where to look for the GNU MP library.])]) 7 8if test "$PHP_GMP" != "no"; then 9 gmp_found=no 10 AS_VAR_IF([PHP_GMP], [yes], 11 [PKG_CHECK_MODULES([GMP], [gmp >= 4.2], [gmp_found=yes], [:])]) 12 13 AS_VAR_IF([gmp_found], [no], [AS_VAR_IF([PHP_GMP], [yes], [GMP_LIBS=-lgmp], [ 14 GMP_LIBS="-L$PHP_GMP/$PHP_LIBDIR -lgmp" 15 GMP_CFLAGS="-I$PHP_GMP/include" 16 ])]) 17 18 dnl Sanity check. 19 CFLAGS_SAVED=$CFLAGS 20 LIBS_SAVED=$LIBS 21 CFLAGS="$CFLAGS $GMP_CFLAGS" 22 LIBS="$LIBS $GMP_LIBS" 23 gmp_check=no 24 AC_CHECK_HEADER([gmp.h], [AC_CHECK_FUNC([__gmpz_rootrem], [gmp_check=yes])]) 25 CFLAGS=$CFLAGS_SAVED 26 LIBS=$LIBS_SAVED 27 28 AS_VAR_IF([gmp_check], [no], [AC_MSG_FAILURE([ 29 The required GNU MP library version 4.2 or greater not found. 30 ])]) 31 32 PHP_EVAL_LIBLINE([$GMP_LIBS], [GMP_SHARED_LIBADD]) 33 PHP_EVAL_INCLINE([$GMP_CFLAGS]) 34 35 PHP_INSTALL_HEADERS([ext/gmp], [php_gmp_int.h]) 36 37 PHP_NEW_EXTENSION([gmp], 38 [gmp.c], 39 [$ext_shared],, 40 [-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1]) 41 PHP_SUBST([GMP_SHARED_LIBADD]) 42 AC_DEFINE([HAVE_GMP], [1], 43 [Define to 1 if the PHP extension 'gmp' is available.]) 44fi 45