-# Work in distributions that contain no compiler tools, like Autoconf.
-tentative_cc=""
-if test -d ${srcdir}/config ; then
-case "${host}" in
- m68k-hp-hpux*)
- # Avoid "too much defining" errors from HPUX compiler.
- tentative_cc="cc -Wp,-H256000"
- host_makefile_frag="config/mh-hp300"
- ;;
- m68k-apollo-sysv*)
- tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
- host_makefile_frag="config/mh-apollo68"
- ;;
- m68k-apollo-bsd*)
- #None of the Apollo compilers can compile gas or binutils. The preprocessor
- # chokes on bfd, the compiler won't let you assign integers to enums, and
- # other problems. Defining CC to gcc is a questionable way to say "don't use
- # the apollo compiler" (the preferred version of GCC could be called cc,
- # or whatever), but I'm not sure leaving CC as cc is any better...
- #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
- tentative_cc=gcc
- host_makefile_frag="config/mh-a68bsd"
- ;;
- m88k-dg-dgux*)
- tentative_cc="gcc -Wall -ansi -D__using_DGUX"
- host_makefile_frag="config/mh-dgux"
- ;;
- m88k-harris-cxux*)
- # Under CX/UX, we want to tell the compiler to use ANSI mode.
- tentative_cc="cc -Xa"
- host_makefile_frag="config/mh-cxux"
- ;;
- m88k-motorola-sysv*)
- host_makefile_frag="config/mh-delta88"
- ;;
- mips*-dec-ultrix*)
- tentative_cc="cc -Wf,-XNg1000"
- host_makefile_frag="config/mh-decstation"
- ;;
- mips*-nec-sysv4*)
- # The C compiler on NEC MIPS SVR4 needs bigger tables.
- tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
- host_makefile_frag="config/mh-necv4"
- ;;
- mips*-sgi-irix6*)
- host_makefile_frag="config/mh-irix6"
- ;;
- mips*-sgi-irix5*)
- host_makefile_frag="config/mh-irix5"
- ;;
- mips*-sgi-irix4*)
- # Tell compiler to use K&R C. We can't compile under the SGI Ansi
- # environment. Also bump switch table size so that cp-parse will
- # compile. Bump string length limit so linker builds.
- tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
- ;;
- mips*-sgi-irix3*)
- host_makefile_frag="config/mh-sysv"
- ;;
- mips*-*-sysv4*)
- host_makefile_frag="config/mh-sysv4"
- ;;
- mips*-*-sysv*)
- # This is for a MIPS running RISC/os 4.52C.
-
- # This is needed for GDB, but needs to be in the top-level make because
- # if a library is compiled with the bsd headers and gets linked with the
- # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
- # a different size).
- # ptrace(2) apparently has problems in the BSD environment. No workaround is
- # known except to select the sysv environment. Could we use /proc instead?
- # These "sysv environments" and "bsd environments" often end up being a pain.
- #
- # This is not part of CFLAGS because perhaps not all C compilers have this
- # option.
- tentative_cc="cc -systype sysv"
- host_makefile_frag="config/mh-riscos"
- ;;
- i370-ibm-opened*)
- tentative_cc="c89"
- host_makefile_frag="config/mh-openedition"
- ;;
- i[3456]86-*-sysv5*)
- host_makefile_frag="config/mh-sysv5"
- ;;
- i[3456]86-*-dgux*)
- tentative_cc="gcc -Wall -ansi -D__using_DGUX"
- host_makefile_frag="config/mh-dgux386"
- ;;
- i[3456]86-ncr-sysv4.3*)
- # The MetaWare compiler will generate a copyright message unless you
- # turn it off by adding the -Hnocopyr flag.
- tentative_cc="cc -Hnocopyr"
- host_makefile_frag="config/mh-ncrsvr43"
- ;;
- i[3456]86-ncr-sysv4*)
- # for an NCR 3000 (i486/SVR4) system.
- # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
- # This compiler not only emits obnoxious copyright messages every time
- # you run it, but it chokes and dies on a whole bunch of GNU source
- # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
- tentative_cc="/usr/ccs/ATT/cc"
- host_makefile_frag="config/mh-ncr3000"
- ;;
- i[3456]86-*-sco3.2v5*)
- host_makefile_frag="config/mh-sysv"
- ;;
- i[3456]86-*-sco*)
- # The native C compiler botches some simple uses of const. Unfortunately,
- # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
- tentative_cc="cc -Dconst="
- host_makefile_frag="config/mh-sco"
- ;;
- i[3456]86-*-udk*)
- host_makefile_frag="config/mh-sysv5"
- ;;
- i[3456]86-*-isc*)
- host_makefile_frag="config/mh-sysv"
- ;;
- i[3456]86-*-solaris2*)
- host_makefile_frag="config/mh-sysv4"
- ;;
- i[3456]86-*-aix*)
- host_makefile_frag="config/mh-aix386"
- ;;
- i[3456]86-*-msdosdjgpp*)
- host_makefile_frag="config/mh-djgpp"
- ;;
- *-cygwin*)
- host_makefile_frag="config/mh-cygwin"
- ;;
- *-mingw32*)
- host_makefile_frag="config/mh-mingw32"
- ;;
- *-interix*)
- host_makefile_frag="config/mh-interix"
- ;;
- vax-*-ultrix2*)
- # The old BSD pcc isn't up to compiling parts of gdb so use gcc
- tentative_cc=gcc
- ;;
- *-*-solaris2*)
- host_makefile_frag="config/mh-solaris"
- ;;
- m68k-sun-sunos*)
- # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
- # without overflowing the jump tables (-J says to use a 32 bit table)
- tentative_cc="cc -J"
- ;;
- *-hp-hpux[78]*)
- tentative_cc="cc -Wp,-H256000"
- host_makefile_frag="config/mh-hpux8"
- ;;
- *-hp-hpux*)
- tentative_cc="cc -Wp,-H256000"
- host_makefile_frag="config/mh-hpux"
- ;;
- *-*-hiux*)
- tentative_cc="cc -Wp,-H256000"
- host_makefile_frag="config/mh-hpux"
- ;;
- rs6000-*-lynxos*)
- # /bin/cc is less than useful for our purposes. Always use GCC
- tentative_cc="/usr/cygnus/progressive/bin/gcc"
- host_makefile_frag="config/mh-lynxrs6k"
- ;;
- *-*-lynxos*)
- # /bin/cc is less than useful for our purposes. Always use GCC
- tentative_cc="/bin/gcc"
- ;;
- *-*-sysv4*)
- host_makefile_frag="config/mh-sysv4"
- ;;
- *-*-sysv*)
- host_makefile_frag="config/mh-sysv"
- ;;
-esac
-fi
-
-rm -f mh-frag
-if test -n "${host_makefile_frag}" ; then
- for f in ${host_makefile_frag}
- do
- cat ${srcdir}/$f >> mh-frag
- done
- host_makefile_frag=mh-frag
-fi
-
-# If we aren't going to be using gcc, see if we can extract a definition
-# of CC from the fragment.
-# Actually, use the 'pre-extracted' version above.
-if test -z "${CC}" && test "${build}" = "${host}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- found=
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/gcc; then
- found=yes
- break
- fi
- done
- IFS="$save_ifs"
- if test -z "${found}" && test -n "${tentative_cc}" ; then
- CC=$tentative_cc
- fi
-fi
-