mirror of
https://github.com/gcc-mirror/gcc.git
synced 2024-11-21 13:40:47 +00:00
48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
# configure.host
|
|
#
|
|
# This shell script handles all host based configuration for libgfortran.
|
|
# It sets various shell variables based on the the host triplet.
|
|
# You can modify this shell script without rerunning autoconf/aclocal/etc.
|
|
# This file is "sourced", not executed.
|
|
#
|
|
#
|
|
# It uses the following shell variables as set by config.guess:
|
|
# host The configuration host (full CPU-vendor-OS triplet)
|
|
# host_cpu The configuration host CPU
|
|
# host_os The configuration host OS
|
|
#
|
|
#
|
|
# It sets the following shell variables:
|
|
#
|
|
# fpu_host FPU-specific code file, defaults to fpu-generic.
|
|
|
|
|
|
# DEFAULTS
|
|
fpu_host='fpu-generic'
|
|
|
|
if test "x${have_feenableexcept}" = "xyes"; then
|
|
fpu_host='fpu-glibc'
|
|
fi
|
|
|
|
# x86 asm should be used instead of glibc, since glibc doesn't support
|
|
# the x86 denormal exception.
|
|
case "${host_cpu}" in
|
|
i?86 | x86_64)
|
|
fpu_host='fpu-387' ;;
|
|
esac
|
|
|
|
if test "x${have_fpsetmask}" = "xyes"; then
|
|
fpu_host='fpu-sysv'
|
|
fi
|
|
|
|
if test "x${have_fp_enable}" = "xyes" && test "x${have_fp_trap}" = "xyes"; then
|
|
fpu_host='fpu-aix'
|
|
fi
|
|
|
|
# Some targets require additional compiler options for NaN/Inf.
|
|
ieee_flags=
|
|
case "${host_cpu}" in
|
|
sh*)
|
|
ieee_flags="-mieee" ;;
|
|
esac
|