Differences From Artifact [3a3536d48e]:
- File configure.ac — part of check-in [c791f77d8c] at 2017-12-27 15:44:34 on branch trunk — Work around OpenBSD defining I via GNU extension (user: js, size: 40306) [annotate] [blame] [check-ins using]
To Artifact [9130b8518c]:
- File
configure.ac
— part of check-in
[dd40bff9b6]
at
2018-01-18 23:41:12
on branch trunk
— configure.ac: Add an #ifdef around VFP2 check
This makes the check work when building a universal binary for e.g.
ARMv7 and ARM64. (user: js, size: 40407) [annotate] [blame] [check-ins using]
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AC_MSG_ERROR(
[Floating point implementation does not conform to IEEE 754!])])
case "$host_cpu" in
arm* | earm*)
AC_MSG_CHECKING(if VFP2 or above is available)
AC_TRY_COMPILE([], [
__asm__ __volatile__ (
"fstmfdd sp!, {d0-d7}"
);
], [
AC_DEFINE(HAVE_VFP2, 1, [Whether we have VFP2 or above])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
])
;;
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AC_MSG_ERROR(
[Floating point implementation does not conform to IEEE 754!])])
case "$host_cpu" in
arm* | earm*)
AC_MSG_CHECKING(if VFP2 or above is available)
AC_TRY_COMPILE([], [
#if !defined(__arm64__) && !defined(__aarch64__) && \
!defined(__ARM64_ARCH_8__)
__asm__ __volatile__ (
"fstmfdd sp!, {d0-d7}"
);
#endif
], [
AC_DEFINE(HAVE_VFP2, 1, [Whether we have VFP2 or above])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
])
;;
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