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ab702e4fde
Some editors utilizing .editorconfig automatically trim whitespaces. For convenience this patch removes whitespaces in certain build files in Zend and TSRM folders.
229 lines
6.4 KiB
Plaintext
229 lines
6.4 KiB
Plaintext
dnl This file contains local autoconf functions.
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AC_DEFUN([LIBZEND_BISON_CHECK],[
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# we only support certain bison versions;
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# min: 2.4 (i.e. 204, major * 100 + minor for easier comparison)
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bison_version_min="204"
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# non-working versions, e.g. "3.0 3.2";
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# remove "none" when introducing the first incompatible bison version an
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# separate any following additions by spaces
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bison_version_exclude=""
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# for standalone build of Zend Engine
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test -z "$SED" && SED=sed
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bison_version=none
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if test "$YACC"; then
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AC_CACHE_CHECK([for bison version], php_cv_bison_version, [
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bison_version_vars=`$YACC --version 2> /dev/null | grep 'GNU Bison' | cut -d ' ' -f 4 | $SED -e 's/\./ /g' | tr -d a-z`
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php_cv_bison_version=invalid
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if test -n "$bison_version_vars"; then
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set $bison_version_vars
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bison_version="${1}.${2}"
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bison_version_num="`expr ${1} \* 100 + ${2}`"
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if test $bison_version_num -ge $bison_version_min; then
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php_cv_bison_version="$bison_version (ok)"
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for bison_check_version in $bison_version_exclude; do
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if test "$bison_version" = "$bison_check_version"; then
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php_cv_bison_version=invalid
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break
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fi
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done
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fi
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fi
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])
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fi
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case $php_cv_bison_version in
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""|invalid[)]
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bison_msg="This bison version is not supported for regeneration of the Zend/PHP parsers (found: $bison_version, min: $bison_version_min, excluded: $bison_version_exclude)."
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AC_MSG_WARN([$bison_msg])
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YACC="exit 0;"
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;;
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esac
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])
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AC_DEFUN([ZEND_FP_EXCEPT],[
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AC_CACHE_CHECK(whether fp_except is defined, ac_cv_type_fp_except,[
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AC_TRY_COMPILE([
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#include <floatingpoint.h>
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],[
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fp_except x = (fp_except) 0;
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],[
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ac_cv_type_fp_except=yes
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],[
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ac_cv_type_fp_except=no
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],[
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ac_cv_type_fp_except=no
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])])
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if test "$ac_cv_type_fp_except" = "yes"; then
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AC_DEFINE(HAVE_FP_EXCEPT, 1, [whether floatingpoint.h defines fp_except])
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fi
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])
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dnl
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dnl Check for broken sprintf()
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dnl
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AC_DEFUN([AC_ZEND_BROKEN_SPRINTF],[
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AC_CACHE_CHECK(whether sprintf is broken, ac_cv_broken_sprintf,[
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AC_TRY_RUN([main() {char buf[20];exit(sprintf(buf,"testing 123")!=11); }],[
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ac_cv_broken_sprintf=no
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],[
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ac_cv_broken_sprintf=yes
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],[
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ac_cv_broken_sprintf=no
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])
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])
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if test "$ac_cv_broken_sprintf" = "yes"; then
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ac_result=1
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else
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ac_result=0
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fi
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AC_DEFINE_UNQUOTED(ZEND_BROKEN_SPRINTF, $ac_result, [Whether sprintf is broken])
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])
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dnl
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dnl AC_ZEND_C_BIGENDIAN
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dnl Replacement macro for AC_C_BIGENDIAN
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dnl
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AC_DEFUN([AC_ZEND_C_BIGENDIAN],
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[AC_CACHE_CHECK([whether byte ordering is bigendian], ac_cv_c_bigendian_php,
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[
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ac_cv_c_bigendian_php=unknown
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AC_TRY_RUN(
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[
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int main(void)
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{
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short one = 1;
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char *cp = (char *)&one;
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if (*cp == 0) {
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return(0);
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} else {
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return(1);
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}
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}
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], [ac_cv_c_bigendian_php=yes], [ac_cv_c_bigendian_php=no], [ac_cv_c_bigendian_php=unknown])
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])
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if test $ac_cv_c_bigendian_php = yes; then
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AC_DEFINE(WORDS_BIGENDIAN, 1, [Define if processor uses big-endian word])
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fi
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])
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AC_DEFUN([AM_SET_LIBTOOL_VARIABLE],[
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LIBTOOL='$(SHELL) $(top_builddir)/libtool $1'
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])
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dnl x87 floating point internal precision control checks
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dnl See: http://wiki.php.net/rfc/rounding
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AC_DEFUN([ZEND_CHECK_FLOAT_PRECISION],[
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AC_MSG_CHECKING([for usable _FPU_SETCW])
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AC_TRY_LINK([
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#include <fpu_control.h>
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],[
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fpu_control_t fpu_oldcw, fpu_cw;
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volatile double result;
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double a = 2877.0;
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volatile double b = 1000000.0;
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_FPU_GETCW(fpu_oldcw);
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fpu_cw = (fpu_oldcw & ~_FPU_EXTENDED & ~_FPU_SINGLE) | _FPU_DOUBLE;
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_FPU_SETCW(fpu_cw);
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result = a / b;
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_FPU_SETCW(fpu_oldcw);
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], [ac_cfp_have__fpu_setcw=yes], [ac_cfp_have__fpu_setcw=no])
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if test "$ac_cfp_have__fpu_setcw" = "yes" ; then
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AC_DEFINE(HAVE__FPU_SETCW, 1, [whether _FPU_SETCW is present and usable])
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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AC_MSG_CHECKING([for usable fpsetprec])
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AC_TRY_LINK([
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#include <machine/ieeefp.h>
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],[
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fp_prec_t fpu_oldprec;
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volatile double result;
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double a = 2877.0;
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volatile double b = 1000000.0;
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fpu_oldprec = fpgetprec();
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fpsetprec(FP_PD);
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result = a / b;
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fpsetprec(fpu_oldprec);
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], [ac_cfp_have_fpsetprec=yes], [ac_cfp_have_fpsetprec=no])
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if test "$ac_cfp_have_fpsetprec" = "yes" ; then
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AC_DEFINE(HAVE_FPSETPREC, 1, [whether fpsetprec is present and usable])
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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AC_MSG_CHECKING([for usable _controlfp])
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AC_TRY_LINK([
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#include <float.h>
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],[
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unsigned int fpu_oldcw;
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volatile double result;
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double a = 2877.0;
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volatile double b = 1000000.0;
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fpu_oldcw = _controlfp(0, 0);
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_controlfp(_PC_53, _MCW_PC);
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result = a / b;
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_controlfp(fpu_oldcw, _MCW_PC);
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], [ac_cfp_have__controlfp=yes], [ac_cfp_have__controlfp=no])
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if test "$ac_cfp_have__controlfp" = "yes" ; then
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AC_DEFINE(HAVE__CONTROLFP, 1, [whether _controlfp is present usable])
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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AC_MSG_CHECKING([for usable _controlfp_s])
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AC_TRY_LINK([
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#include <float.h>
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],[
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unsigned int fpu_oldcw, fpu_cw;
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volatile double result;
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double a = 2877.0;
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volatile double b = 1000000.0;
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_controlfp_s(&fpu_cw, 0, 0);
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fpu_oldcw = fpu_cw;
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_controlfp_s(&fpu_cw, _PC_53, _MCW_PC);
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result = a / b;
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_controlfp_s(&fpu_cw, fpu_oldcw, _MCW_PC);
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], [ac_cfp_have__controlfp_s=yes], [ac_cfp_have__controlfp_s=no])
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if test "$ac_cfp_have__controlfp_s" = "yes" ; then
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AC_DEFINE(HAVE__CONTROLFP_S, 1, [whether _controlfp_s is present and usable])
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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AC_MSG_CHECKING([whether FPU control word can be manipulated by inline assembler])
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AC_TRY_LINK([
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/* nothing */
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],[
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unsigned int oldcw, cw;
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volatile double result;
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double a = 2877.0;
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volatile double b = 1000000.0;
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__asm__ __volatile__ ("fnstcw %0" : "=m" (*&oldcw));
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cw = (oldcw & ~0x0 & ~0x300) | 0x200;
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__asm__ __volatile__ ("fldcw %0" : : "m" (*&cw));
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result = a / b;
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__asm__ __volatile__ ("fldcw %0" : : "m" (*&oldcw));
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], [ac_cfp_have_fpu_inline_asm_x86=yes], [ac_cfp_have_fpu_inline_asm_x86=no])
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if test "$ac_cfp_have_fpu_inline_asm_x86" = "yes" ; then
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AC_DEFINE(HAVE_FPU_INLINE_ASM_X86, 1, [whether FPU control word can be manipulated by inline assembler])
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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])
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