2000-11-14 07:49:41 +08:00
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# configure.target
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2002-06-19 03:07:12 +08:00
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#
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2000-11-14 07:49:41 +08:00
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# This shell script handles all target based configuration for libstdc++.
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# It sets various shell variables based on the the target and the
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2002-06-19 03:07:12 +08:00
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# configuration options. You can modify this shell script without needing
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# to rerun autoconf/aclocal/etc. This file is "sourced" not executed.
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#
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# You should read docs/html/17_intro/porting.* to make sense of this file.
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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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# target The configuration target (full CPU-vendor-OS triplet)
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2000-11-14 07:49:41 +08:00
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# target_cpu The configuration target CPU
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# target_os The configuration target OS
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2002-06-19 03:07:12 +08:00
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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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# cpu_include_dir CPU-specific directory, defaults to cpu/generic
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# if cpu/target_cpu doesn't exist. This is
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# used to set the next two:
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2002-06-24 13:50:58 +08:00
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# ATOMICITYH location of atomicity.h,
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2002-06-19 03:07:12 +08:00
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# defaults to cpu_include_dir
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2002-06-24 13:50:58 +08:00
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# CPULIMITSH location of cpu_limits.h,
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2002-06-19 03:07:12 +08:00
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# defaults to cpu_include_dir
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#
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# os_include_dir OS-specific directory, defaults to os/generic.
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#
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2002-06-21 03:08:42 +08:00
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# c_model the model to use for "C" headers, defaults to c_std.
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#
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2002-07-09 03:41:57 +08:00
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# c_compatibility if "C" compatibility headers are necessary,
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2002-06-21 03:08:42 +08:00
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# defaults to no.
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2002-06-19 03:07:12 +08:00
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#
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2002-08-24 03:33:41 +08:00
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# abi_baseline_triplet directory name for ABI compat testing,
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# defaults to target (as per config.guess)
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#
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2002-06-19 03:07:12 +08:00
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# It possibly modifies the following variables:
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#
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# OPT_LDFLAGS extra flags to pass when linking the library, of
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# the form '-Wl,blah'
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# (defaults to empty in acinclude.m4)
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#
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#
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# If the defaults will not work for your platform, you need only change the
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# variables that won't work, i.e., you do not need to explicitly set a
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# working variable to its default. Most targets only need to change the two
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# *_include_dir variables.
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2000-11-14 07:49:41 +08:00
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2002-06-21 03:08:42 +08:00
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# DEFAULTS
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2002-06-19 03:07:12 +08:00
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# Try to guess a default cpu_include_dir based on the name of the CPU. We
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# cannot do this for os_include_dir; there are too many portable operating
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# systems out there. :-)
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if test -d ${glibcpp_srcdir}/config/cpu/${target_cpu}; then
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cpu_include_dir="cpu/${target_cpu}"
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else
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cpu_include_dir="cpu/generic"
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fi
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2000-11-14 07:49:41 +08:00
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2002-08-24 03:33:41 +08:00
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abi_baseline_triplet=${target}
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2002-06-21 03:08:42 +08:00
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c_model=c_std
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c_compatibility=no
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2002-06-19 03:07:12 +08:00
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2002-07-09 03:41:57 +08:00
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# TARGET-SPECIFIC OVERRIDES
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2002-06-21 03:08:42 +08:00
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# Set any CPU-dependent bits.
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2002-06-19 03:07:12 +08:00
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# Here we override defaults and catch more general cases due to naming
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2002-07-09 03:41:57 +08:00
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# conventions (e.g., chip_name* to catch all variants).
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2000-11-14 07:49:41 +08:00
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# THIS TABLE IS SORTED. KEEP IT THAT WAY.
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case "${target_cpu}" in
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alpha*)
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2002-06-19 03:07:12 +08:00
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cpu_include_dir="cpu/alpha"
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2000-11-14 07:49:41 +08:00
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;;
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2002-08-29 17:14:27 +08:00
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arm* | strongarm* | xscale* )
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2002-06-19 03:07:12 +08:00
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cpu_include_dir="cpu/arm"
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2000-11-14 07:49:41 +08:00
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;;
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i486 | i586 | i686 | i786)
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2002-08-24 03:33:41 +08:00
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# add athlons here maybe
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2002-06-19 03:07:12 +08:00
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cpu_include_dir="cpu/i486"
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CPULIMITSH="cpu/i386"
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2000-11-14 07:49:41 +08:00
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;;
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2001-08-19 03:22:25 +08:00
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m68k | m680[246]0)
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2002-06-19 03:07:12 +08:00
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cpu_include_dir="cpu/m68k"
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;;
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2002-07-09 03:41:57 +08:00
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mips*)
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# MIPS chips are unreliable as to sc/ll support. By default
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# don't use atomic instructions and override for the OS.
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2002-06-19 09:30:39 +08:00
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cpu_include_dir="cpu/generic"
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;;
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2002-06-19 03:07:12 +08:00
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mmix)
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ATOMICITYH="cpu/generic"
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2001-08-19 03:22:25 +08:00
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;;
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2002-07-30 07:26:00 +08:00
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powerpc* | rs6000)
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2002-06-19 03:07:12 +08:00
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cpu_include_dir="cpu/powerpc"
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2000-11-14 07:49:41 +08:00
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;;
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2001-08-15 07:16:57 +08:00
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s390 | s390x)
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2002-06-19 03:07:12 +08:00
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cpu_include_dir="cpu/s390"
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2001-08-15 07:16:57 +08:00
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;;
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2002-09-07 02:30:36 +08:00
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sparc* | ultrasparc)
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cpu_include_dir="cpu/sparc"
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2000-11-14 07:49:41 +08:00
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;;
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2001-10-19 14:34:23 +08:00
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x86_64*)
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2002-06-19 03:07:12 +08:00
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cpu_include_dir="cpu/x86-64"
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2000-11-14 07:49:41 +08:00
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;;
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esac
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2002-06-19 03:07:12 +08:00
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# Now look for the two files usually tied to a CPU model, and make default
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# choices for those if they haven't been explicitly set already.
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_cpu_incdir_fullpath=${glibcpp_srcdir}/config/${cpu_include_dir}
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if test x${ATOMICITYH+set} != xset; then
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2002-06-24 13:50:58 +08:00
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if test -f ${_cpu_incdir_fullpath}/atomicity.h; then
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2002-06-19 03:07:12 +08:00
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ATOMICITYH=$cpu_include_dir
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else
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ATOMICITYH="cpu/generic"
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fi
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fi
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if test x${CPULIMITSH+set} != xset; then
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2002-06-24 13:50:58 +08:00
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if test -f ${_cpu_incdir_fullpath}/cpu_limits.h; then
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2002-06-19 03:07:12 +08:00
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CPULIMITSH=$cpu_include_dir
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else
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CPULIMITSH="cpu/generic"
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fi
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fi
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unset _cpu_incdir_fullpath
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2002-06-21 03:08:42 +08:00
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# Set any OS-dependent bits.
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2002-07-09 03:41:57 +08:00
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# Set the os_include_dir.
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2002-06-21 03:08:42 +08:00
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# Set c_model, c_compatibility here.
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# If atomic ops and/or numeric limits are OS-specific rather than
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# CPU-specifc, set those here too.
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2000-11-14 07:49:41 +08:00
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# THIS TABLE IS SORTED. KEEP IT THAT WAY.
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case "${target_os}" in
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2001-02-09 03:53:19 +08:00
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aix4.[3456789]* | aix[56789]*)
|
2002-06-19 03:07:12 +08:00
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# We set os_include_dir to os/aix only on AIX 4.3 and newer, but
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2002-06-24 13:50:58 +08:00
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# os/aix/atomicity.h works on earlier versions of AIX 4.*, so we
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2002-06-19 03:07:12 +08:00
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# explicitly duplicate the directory for 4.[<3].
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os_include_dir="os/aix"
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ATOMICITYH="os/aix"
|
2002-01-18 00:14:08 +08:00
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OPT_LDFLAGS="-Wl,-G"
|
2000-11-14 07:49:41 +08:00
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;;
|
2002-06-19 03:07:12 +08:00
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aix4.*)
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ATOMICITYH="os/aix"
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;;
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aix*)
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ATOMICITYH="cpu/generic"
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;;
|
2000-12-05 18:29:47 +08:00
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bsd* | freebsd* )
|
2002-06-19 03:07:12 +08:00
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os_include_dir="os/bsd/freebsd"
|
2000-11-14 07:49:41 +08:00
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;;
|
2000-11-27 14:04:16 +08:00
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cygwin*)
|
2002-06-19 03:07:12 +08:00
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os_include_dir="os/newlib"
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;;
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*djgpp*) # leading * picks up "msdosdjgpp"
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os_include_dir="os/djgpp"
|
2000-11-27 14:04:16 +08:00
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;;
|
2002-06-19 03:07:12 +08:00
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gnu* | linux*)
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os_include_dir="os/gnu-linux"
|
2001-01-13 03:39:07 +08:00
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;;
|
2002-06-19 03:07:12 +08:00
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hpux*)
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os_include_dir="os/hpux"
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CPULIMITSH="os/hpux"
|
2000-11-14 07:49:41 +08:00
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;;
|
configure.in (mips*-*-irix6*o32): Enable stabs.
* configure.in (mips*-*-irix6*o32): Enable stabs.
gcc:
* config.gcc (mips-sgi-irix6*o32): New configuration.
* configure.in (libgcc_visibility): Disable for mips-sgi-irix6*o32
configurations.
* configure: Regenerate.
* config/mips/iris6-o32-as.h: New file.
* config/mips/iris6-o32.h: New file.
* config/mips/iris5gas.h (TARGET_ASM_NAMED_SECTION): Define.
(NM_FLAGS): Define.
(HAVE_AS_SHF_MERGE): Undefine.
* config/mips/t-iris5-as: New file.
* config.gcc (mips-sgi-irix6*o32, mips-sgi-irix5*): Use it.
* config/mips/t-iris6 (SHLIB_EXT, SHLIB_SOLINK, SHLIB_SONAME,
SHLIB_NAME, SHLIB_MAP, SHLIB_OBJS, SHLIB_SLIBDIR_QUAL, SHLIB_LINK,
SHLIB_INSTALL, SHLIB_MKMAP, SHLIB_MAPFILES, FPBIT, DPBIT,
dp-bit.c, fp-bit.c): Move ...
* config/mips/t-iris5-6: ... here.
New file, shared by IRIX 5 and IRIX 6.
* config.gcc (mips-sgi-irix6*o32, mips-sgi-irix6*,
mips-sgi-irix5*): Use it.
* config/mips/iris6.h: Remove duplicate comment.
* config/mips/mips.c (TARGET_ASM_UNALIGNED_DI_OP) [TARGET_IRIX5 &&
!TARGET_IRIX6]: Define.
(mips_asm_file_start): Don't emit mdebug.<ABI> sections on IRIX 5/6.
* config/mips/mips.h (ASM_DECLARE_FUNCTION_NAME): Fix comment.
gcc/testsuite:
* gcc.misc-tests/linkage.exp: Handle mips-sgi-irix6*o32
configuration and IRIX 6 O32 ABI.
libstdc++-v3:
* configure.target (target_os switch): Allow for irix6*o32
configurations.
From-SVN: r55401
2002-07-12 02:56:58 +08:00
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irix[1-6] | irix[1-5].* | irix6.[0-4]*)
|
2002-06-19 03:07:12 +08:00
|
|
|
# This is known to work on at least IRIX 5.2 and 6.3.
|
|
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|
os_include_dir="os/irix/irix5.2"
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ATOMICITYH=$os_include_dir
|
|
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|
;;
|
configure.in (mips*-*-irix6*o32): Enable stabs.
* configure.in (mips*-*-irix6*o32): Enable stabs.
gcc:
* config.gcc (mips-sgi-irix6*o32): New configuration.
* configure.in (libgcc_visibility): Disable for mips-sgi-irix6*o32
configurations.
* configure: Regenerate.
* config/mips/iris6-o32-as.h: New file.
* config/mips/iris6-o32.h: New file.
* config/mips/iris5gas.h (TARGET_ASM_NAMED_SECTION): Define.
(NM_FLAGS): Define.
(HAVE_AS_SHF_MERGE): Undefine.
* config/mips/t-iris5-as: New file.
* config.gcc (mips-sgi-irix6*o32, mips-sgi-irix5*): Use it.
* config/mips/t-iris6 (SHLIB_EXT, SHLIB_SOLINK, SHLIB_SONAME,
SHLIB_NAME, SHLIB_MAP, SHLIB_OBJS, SHLIB_SLIBDIR_QUAL, SHLIB_LINK,
SHLIB_INSTALL, SHLIB_MKMAP, SHLIB_MAPFILES, FPBIT, DPBIT,
dp-bit.c, fp-bit.c): Move ...
* config/mips/t-iris5-6: ... here.
New file, shared by IRIX 5 and IRIX 6.
* config.gcc (mips-sgi-irix6*o32, mips-sgi-irix6*,
mips-sgi-irix5*): Use it.
* config/mips/iris6.h: Remove duplicate comment.
* config/mips/mips.c (TARGET_ASM_UNALIGNED_DI_OP) [TARGET_IRIX5 &&
!TARGET_IRIX6]: Define.
(mips_asm_file_start): Don't emit mdebug.<ABI> sections on IRIX 5/6.
* config/mips/mips.h (ASM_DECLARE_FUNCTION_NAME): Fix comment.
gcc/testsuite:
* gcc.misc-tests/linkage.exp: Handle mips-sgi-irix6*o32
configuration and IRIX 6 O32 ABI.
libstdc++-v3:
* configure.target (target_os switch): Allow for irix6*o32
configurations.
From-SVN: r55401
2002-07-12 02:56:58 +08:00
|
|
|
irix6.5*)
|
2002-06-19 03:07:12 +08:00
|
|
|
os_include_dir="os/irix/irix6.5"
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ATOMICITYH=$os_include_dir
|
2000-11-14 07:49:41 +08:00
|
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;;
|
2001-11-09 04:52:29 +08:00
|
|
|
mingw32*)
|
2002-06-19 03:07:12 +08:00
|
|
|
os_include_dir="os/mingw32"
|
2001-11-09 04:52:29 +08:00
|
|
|
;;
|
2000-12-05 18:29:47 +08:00
|
|
|
netbsd*)
|
2002-06-19 03:07:12 +08:00
|
|
|
os_include_dir="os/bsd/netbsd"
|
2000-12-05 18:29:47 +08:00
|
|
|
;;
|
2000-11-14 07:49:41 +08:00
|
|
|
solaris2.5*)
|
2002-06-19 03:07:12 +08:00
|
|
|
os_include_dir="os/solaris/solaris2.5"
|
2000-11-14 07:49:41 +08:00
|
|
|
;;
|
|
|
|
solaris2.6*)
|
2002-06-19 03:07:12 +08:00
|
|
|
os_include_dir="os/solaris/solaris2.6"
|
2000-11-14 07:49:41 +08:00
|
|
|
;;
|
2002-06-19 03:07:12 +08:00
|
|
|
solaris2.[78]*)
|
|
|
|
os_include_dir="os/solaris/solaris2.7"
|
2000-12-06 11:23:34 +08:00
|
|
|
;;
|
2002-05-08 04:43:10 +08:00
|
|
|
windiss*)
|
2002-06-19 03:07:12 +08:00
|
|
|
os_include_dir="os/windiss"
|
2002-05-08 04:43:10 +08:00
|
|
|
;;
|
2002-06-12 01:54:27 +08:00
|
|
|
qnx6.[12]*)
|
2002-06-19 03:07:12 +08:00
|
|
|
os_include_dir="os/qnx/qnx6.1"
|
2002-06-21 03:08:42 +08:00
|
|
|
c_model=c
|
2002-06-12 01:54:27 +08:00
|
|
|
;;
|
2000-11-14 07:49:41 +08:00
|
|
|
*)
|
2002-06-19 03:07:12 +08:00
|
|
|
os_include_dir="os/generic"
|
2000-11-14 07:49:41 +08:00
|
|
|
;;
|
|
|
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esac
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|
|
|
|
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|
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|
2002-06-21 03:08:42 +08:00
|
|
|
# Set any OS-dependent and CPU-dependent bits.
|
2000-11-14 07:49:41 +08:00
|
|
|
# THIS TABLE IS SORTED. KEEP IT THAT WAY.
|
2000-11-18 04:35:06 +08:00
|
|
|
case "${target}" in
|
2002-06-19 03:07:12 +08:00
|
|
|
alpha*-*-*osf5*)
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|
CPULIMITSH="os/osf/osf5.0"
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|
|
|
;;
|
2002-07-09 03:41:57 +08:00
|
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|
mips*-*-linux*)
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|
ATOMICITYH="cpu/mips"
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|
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;;
|
2000-11-18 04:35:06 +08:00
|
|
|
esac
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