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* acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): New check. * configure.ac: Check for floatingpoint.h, fptrap.h and float.h headers. Use LIBGFOR_CHECK_FPSETMASK. Check for fp_trap and fp_enable functions. * configure.host: Add case for systems with fpsetmask and systems with fp_trap/fp_enable. * config/fpu-sysv.h: New file, FPU code using fpsetmask. * config/fpu-aix.h: New file, FPU code for AIX using fp_trap and fp_enable. * aclocal.m4: Regenerate. * configure: Regenerate. * config.h.in: Regenerate. From-SVN: r105956
41 lines
1.0 KiB
Plaintext
41 lines
1.0 KiB
Plaintext
# configure.host
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#
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# This shell script handles all host based configuration for libgfortran.
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# It sets various shell variables based on the the host triplet.
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# You can modify this shell script without rerunning autoconf/aclocal/etc.
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# This file is "sourced", not executed.
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#
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#
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# It uses the following shell variables as set by config.guess:
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# host The configuration host (full CPU-vendor-OS triplet)
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# host_cpu The configuration host CPU
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# host_os The configuration host OS
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#
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#
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# It sets the following shell variables:
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#
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# fpu_host FPU-specific code file, defaults to fpu-generic.
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# DEFAULTS
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fpu_host='fpu-generic'
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# HOST-SPECIFIC OVERRIDES
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case "${host_cpu}" in
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i?86 | x86_64)
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fpu_host='fpu-387' ;;
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esac
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# CONFIGURATION-SPECIFIC OVERRIDES
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if test "x${have_feenableexcept}" = "xyes"; then
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fpu_host='fpu-glibc'
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fi
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if test "x${have_fpsetmask}" = "xyes"; then
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fpu_host='fpu-sysv'
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fi
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if test "x${have_fp_enable}" = "xyes" && test "x${have_fp_trap}" = "xyes"; then
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fpu_host='fpu-aix'
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fi
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