dnl This file contains local autoconf functions. AC_DEFUN([LIBZEND_BISON_CHECK],[ # we only support certain bison versions; # min: 2.4 (i.e. 204, major * 100 + minor for easier comparison) bison_version_min="204" # non-working versions, e.g. "3.0 3.2"; # remove "none" when introducing the first incompatible bison version an # separate any following additions by spaces bison_version_exclude="" # for standalone build of Zend Engine test -z "$SED" && SED=sed bison_version=none if test "$YACC"; then AC_CACHE_CHECK([for bison version], php_cv_bison_version, [ bison_version_vars=`$YACC --version 2> /dev/null | grep 'GNU Bison' | cut -d ' ' -f 4 | $SED -e 's/\./ /g' | tr -d a-z` php_cv_bison_version=invalid if test -n "$bison_version_vars"; then set $bison_version_vars bison_version="${1}.${2}" bison_version_num="`expr ${1} \* 100 + ${2}`" if test $bison_version_num -ge $bison_version_min; then php_cv_bison_version="$bison_version (ok)" for bison_check_version in $bison_version_exclude; do if test "$bison_version" = "$bison_check_version"; then php_cv_bison_version=invalid break fi done fi fi ]) fi case $php_cv_bison_version in ""|invalid[)] bison_msg="This bison version is not supported for regeneration of the Zend/PHP parsers (found: $bison_version, min: $bison_version_min, excluded: $bison_version_exclude)." AC_MSG_WARN([$bison_msg]) YACC="exit 0;" ;; esac ]) AC_DEFUN([ZEND_FP_EXCEPT],[ AC_CACHE_CHECK(whether fp_except is defined, ac_cv_type_fp_except,[ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]],[[ fp_except x = (fp_except) 0; ]])],[ ac_cv_type_fp_except=yes ],[ ac_cv_type_fp_except=no ])]) if test "$ac_cv_type_fp_except" = "yes"; then AC_DEFINE(HAVE_FP_EXCEPT, 1, [whether floatingpoint.h defines fp_except]) fi ]) dnl dnl Check for broken sprintf() dnl AC_DEFUN([AC_ZEND_BROKEN_SPRINTF],[ AC_CACHE_CHECK(whether sprintf is broken, ac_cv_broken_sprintf,[ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include int main() {char buf[20]; return sprintf(buf,"testing 123")!=11; } ]])],[ ac_cv_broken_sprintf=no ],[ ac_cv_broken_sprintf=yes ],[ ac_cv_broken_sprintf=no ]) ]) if test "$ac_cv_broken_sprintf" = "yes"; then ac_result=1 else ac_result=0 fi AC_DEFINE_UNQUOTED(ZEND_BROKEN_SPRINTF, $ac_result, [Whether sprintf is broken]) ]) dnl dnl AC_ZEND_C_BIGENDIAN dnl Replacement macro for AC_C_BIGENDIAN dnl AC_DEFUN([AC_ZEND_C_BIGENDIAN], [AC_CACHE_CHECK([whether byte ordering is bigendian], ac_cv_c_bigendian_php, [ ac_cv_c_bigendian_php=unknown AC_RUN_IFELSE([AC_LANG_SOURCE([[ int main(void) { short one = 1; char *cp = (char *)&one; if (*cp == 0) { return(0); } else { return(1); } } ]])], [ac_cv_c_bigendian_php=yes], [ac_cv_c_bigendian_php=no], [ac_cv_c_bigendian_php=unknown]) ]) if test $ac_cv_c_bigendian_php = yes; then AC_DEFINE(WORDS_BIGENDIAN, 1, [Define if processor uses big-endian word]) fi ]) AC_DEFUN([AM_SET_LIBTOOL_VARIABLE],[ LIBTOOL='$(SHELL) $(top_builddir)/libtool $1' ]) dnl x87 floating point internal precision control checks dnl See: http://wiki.php.net/rfc/rounding AC_DEFUN([ZEND_CHECK_FLOAT_PRECISION],[ AC_MSG_CHECKING([for usable _FPU_SETCW]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include ]],[[ fpu_control_t fpu_oldcw, fpu_cw; volatile double result; double a = 2877.0; volatile double b = 1000000.0; _FPU_GETCW(fpu_oldcw); fpu_cw = (fpu_oldcw & ~_FPU_EXTENDED & ~_FPU_SINGLE) | _FPU_DOUBLE; _FPU_SETCW(fpu_cw); result = a / b; _FPU_SETCW(fpu_oldcw); ]])],[ac_cfp_have__fpu_setcw=yes],[ac_cfp_have__fpu_setcw=no]) if test "$ac_cfp_have__fpu_setcw" = "yes" ; then AC_DEFINE(HAVE__FPU_SETCW, 1, [whether _FPU_SETCW is present and usable]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AC_MSG_CHECKING([for usable fpsetprec]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include ]],[[ fp_prec_t fpu_oldprec; volatile double result; double a = 2877.0; volatile double b = 1000000.0; fpu_oldprec = fpgetprec(); fpsetprec(FP_PD); result = a / b; fpsetprec(fpu_oldprec); ]])], [ac_cfp_have_fpsetprec=yes], [ac_cfp_have_fpsetprec=no]) if test "$ac_cfp_have_fpsetprec" = "yes" ; then AC_DEFINE(HAVE_FPSETPREC, 1, [whether fpsetprec is present and usable]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AC_MSG_CHECKING([for usable _controlfp]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include ]],[[ unsigned int fpu_oldcw; volatile double result; double a = 2877.0; volatile double b = 1000000.0; fpu_oldcw = _controlfp(0, 0); _controlfp(_PC_53, _MCW_PC); result = a / b; _controlfp(fpu_oldcw, _MCW_PC); ]])], [ac_cfp_have__controlfp=yes], [ac_cfp_have__controlfp=no]) if test "$ac_cfp_have__controlfp" = "yes" ; then AC_DEFINE(HAVE__CONTROLFP, 1, [whether _controlfp is present usable]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AC_MSG_CHECKING([for usable _controlfp_s]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include ]],[[ unsigned int fpu_oldcw, fpu_cw; volatile double result; double a = 2877.0; volatile double b = 1000000.0; _controlfp_s(&fpu_cw, 0, 0); fpu_oldcw = fpu_cw; _controlfp_s(&fpu_cw, _PC_53, _MCW_PC); result = a / b; _controlfp_s(&fpu_cw, fpu_oldcw, _MCW_PC); ]])], [ac_cfp_have__controlfp_s=yes], [ac_cfp_have__controlfp_s=no]) if test "$ac_cfp_have__controlfp_s" = "yes" ; then AC_DEFINE(HAVE__CONTROLFP_S, 1, [whether _controlfp_s is present and usable]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AC_MSG_CHECKING([whether FPU control word can be manipulated by inline assembler]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ /* nothing */ ]],[[ unsigned int oldcw, cw; volatile double result; double a = 2877.0; volatile double b = 1000000.0; __asm__ __volatile__ ("fnstcw %0" : "=m" (*&oldcw)); cw = (oldcw & ~0x0 & ~0x300) | 0x200; __asm__ __volatile__ ("fldcw %0" : : "m" (*&cw)); result = a / b; __asm__ __volatile__ ("fldcw %0" : : "m" (*&oldcw)); ]])], [ac_cfp_have_fpu_inline_asm_x86=yes], [ac_cfp_have_fpu_inline_asm_x86=no]) if test "$ac_cfp_have_fpu_inline_asm_x86" = "yes" ; then AC_DEFINE(HAVE_FPU_INLINE_ASM_X86, 1, [whether FPU control word can be manipulated by inline assembler]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi ])