Attachment #591456 for bug #688544

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++ texlive-20190410-source/libs/cairo/m4/float.m4

  [AC_CACHE_CHECK(whether float word ordering is bigendian,
                  ax_cv_c_float_words_bigendian, [

# The endianness is detected by first compiling C code that contains a special
# double float value, then grepping the resulting object file for certain
# strings of ascii values. The double is specially crafted to have a
# binary representation that corresponds with a simple string. In this

# is found, the user is instructed to specify the ordering.

ax_cv_c_float_words_bigendian=unknown
AC_LINK_IFELSE([AC_LANG_SOURCE([[

double d __attribute__((used)) = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0;
int main() { return 0; }

]])], [

if strings -a conftest$ac_exeext | grep noonsees >/dev/null ; then
  ax_cv_c_float_words_bigendian=yes
fi
if strings -a conftest$ac_exeext | grep seesnoon >/dev/null ; then
  if test "$ax_cv_c_float_words_bigendian" = unknown; then
    ax_cv_c_float_words_bigendian=no
  else
++ texlive-20190410-source/libs/cairo/configure

else


# The endianness is detected by first compiling C code that contains a special
# double float value, then grepping the resulting object file for certain
# strings of ascii values. The double is specially crafted to have a
# binary representation that corresponds with a simple string. In this

/* end confdefs.h.  */


double d __attribute__((used)) = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0;
int main() { return 0; }


_ACEOF
if ac_fn_c_try_link "$LINENO"; then :


if strings -a conftest$ac_exeext | grep noonsees >/dev/null ; then
  ax_cv_c_float_words_bigendian=yes
fi
if strings -a conftest$ac_exeext | grep seesnoon >/dev/null ; then
  if test "$ax_cv_c_float_words_bigendian" = unknown; then
    ax_cv_c_float_words_bigendian=no
  else



fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_c_float_words_bigendian" >&5
$as_echo "$ax_cv_c_float_words_bigendian" >&6; }

Return to bug 688544

Line Link Here

(-)file_not_specified_in_diff (-13 / +16 lines)
0	-- texlive-20190410-source/libs/cairo/m4/float.m4.orig	0	++ texlive-20190410-source/libs/cairo/m4/float.m4
Lines 12-18 AC_DEFUN([AX_C_FLOAT_WORDS_BIGENDIAN], Link Here
12	[AC_CACHE_CHECK(whether float word ordering is bigendian,	12	[AC_CACHE_CHECK(whether float word ordering is bigendian,
13	ax_cv_c_float_words_bigendian, [	13	ax_cv_c_float_words_bigendian, [
14		14
15	# The endianess is detected by first compiling C code that contains a special	15	# The endianness is detected by first compiling C code that contains a special
16	# double float value, then grepping the resulting object file for certain	16	# double float value, then grepping the resulting object file for certain
17	# strings of ascii values. The double is specially crafted to have a	17	# strings of ascii values. The double is specially crafted to have a
18	# binary representation that corresponds with a simple string. In this	18	# binary representation that corresponds with a simple string. In this
Lines 24-39 AC_DEFUN([AX_C_FLOAT_WORDS_BIGENDIAN], Link Here
24	# is found, the user is instructed to specify the ordering.	24	# is found, the user is instructed to specify the ordering.
25		25
26	ax_cv_c_float_words_bigendian=unknown	26	ax_cv_c_float_words_bigendian=unknown
27	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[	27	AC_LINK_IFELSE([AC_LANG_SOURCE([[
28		28
29	double d = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0;	29	double d __attribute__((used)) = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0;
		30	int main() { return 0; }
30		31
31	]])], [	32	]])], [
32		33
33	if strings - conftest.$ac_objext \| grep noonsees >/dev/null ; then	34	if strings -a conftest$ac_exeext \| grep noonsees >/dev/null ; then
34	ax_cv_c_float_words_bigendian=yes	35	ax_cv_c_float_words_bigendian=yes
35	fi	36	fi
36	if strings - conftest.$ac_objext \| grep seesnoon >/dev/null ; then	37	if strings -a conftest$ac_exeext \| grep seesnoon >/dev/null ; then
37	if test "$ax_cv_c_float_words_bigendian" = unknown; then	38	if test "$ax_cv_c_float_words_bigendian" = unknown; then
38	ax_cv_c_float_words_bigendian=no	39	ax_cv_c_float_words_bigendian=no
39	else	40	else
40	-- texlive-20190410-source/libs/cairo/configure.orig	41	++ texlive-20190410-source/libs/cairo/configure
Lines 5650-5656 if ${ax_cv_c_float_words_bigendian+:} fa Link Here
5650	else	5650	else
5651		5651
5652		5652
5653	# The endianess is detected by first compiling C code that contains a special	5653	# The endianness is detected by first compiling C code that contains a special
5654	# double float value, then grepping the resulting object file for certain	5654	# double float value, then grepping the resulting object file for certain
5655	# strings of ascii values. The double is specially crafted to have a	5655	# strings of ascii values. The double is specially crafted to have a
5656	# binary representation that corresponds with a simple string. In this	5656	# binary representation that corresponds with a simple string. In this
Lines 5666-5682 cat confdefs.h - <<_ACEOF >conftest.$ac_ Link Here
5666	/* end confdefs.h. */	5666	/* end confdefs.h. */
5667		5667
5668		5668
5669	double d = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0;	5669	double d __attribute__((used)) = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0;
		5670	int main() { return 0; }
5670		5671
5671		5672
5672	_ACEOF	5673	_ACEOF
5673	if ac_fn_c_try_compile "$LINENO"; then :	5674	if ac_fn_c_try_link "$LINENO"; then :
5674		5675
5675		5676
5676	if strings - conftest.$ac_objext \| grep noonsees >/dev/null ; then	5677	if strings -a conftest$ac_exeext \| grep noonsees >/dev/null ; then
5677	ax_cv_c_float_words_bigendian=yes	5678	ax_cv_c_float_words_bigendian=yes
5678	fi	5679	fi
5679	if strings - conftest.$ac_objext \| grep seesnoon >/dev/null ; then	5680	if strings -a conftest$ac_exeext \| grep seesnoon >/dev/null ; then
5680	if test "$ax_cv_c_float_words_bigendian" = unknown; then	5681	if test "$ax_cv_c_float_words_bigendian" = unknown; then
5681	ax_cv_c_float_words_bigendian=no	5682	ax_cv_c_float_words_bigendian=no
5682	else	5683	else
Lines 5686-5692 fi Link Here
5686		5687
5687		5688
5688	fi	5689	fi
5689	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext	5690	rm -f core conftest.err conftest.$ac_objext \
		5691	conftest$ac_exeext conftest.$ac_ext
5690	fi	5692	fi
5691	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_c_float_words_bigendian" >&5	5693	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_c_float_words_bigendian" >&5
5692	$as_echo "$ax_cv_c_float_words_bigendian" >&6; }	5694	$as_echo "$ax_cv_c_float_words_bigendian" >&6; }