* configure.in: Move default CC setting out of config/mh-* fragments
directly into here.
This commit is contained in:
DJ Delorie
parent
88054d4005
commit
a26c50352b
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@ -1,3 +1,8 @@
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2002-04-17 Nathanael Nerode <neroden@twcny.rr.com>
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* configure.in: Move default CC setting out of config/mh-* fragments
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directly into here.
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2002-04-17 Nathanael Nerode <neroden@twcny.rr.com>
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* configure.in: don't even try to configure or make a subdirectory
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68
configure.in
68
configure.in
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@ -123,30 +123,47 @@ appdirs=""
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# per-host:
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# Work in distributions that contain no compiler tools, like Autoconf.
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tentative_cc=""
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if [ -d ${srcdir}/config ]; then
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case "${host}" in
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m68k-hp-hpux*)
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# Avoid "too much defining" errors from HPUX compiler.
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tentative_cc="cc -Wp,-H256000"
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host_makefile_frag="${host_makefile_frag} config/mh-hp300"
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;;
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m68k-apollo-sysv*)
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tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
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host_makefile_frag="${host_makefile_frag} config/mh-apollo68"
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;;
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m68k-apollo-bsd*)
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#None of the Apollo compilers can compile gas or binutils. The preprocessor
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# chokes on bfd, the compiler won't let you assign integers to enums, and
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# other problems. Defining CC to gcc is a questionable way to say "don't use
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# the apollo compiler" (the preferred version of GCC could be called cc,
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# or whatever), but I'm not sure leaving CC as cc is any better...
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#CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
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tentative_cc=gcc
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host_makefile_frag="${host_makefile_frag} config/mh-a68bsd"
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;;
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m88k-dg-dgux*)
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tentative_cc="gcc -Wall -ansi -D__using_DGUX"
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host_makefile_frag="${host_makefile_frag} config/mh-dgux"
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;;
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m88k-harris-cxux*)
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# Under CX/UX, we want to tell the compiler to use ANSI mode.
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tentative_cc="cc -Xa"
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host_makefile_frag="${host_makefile_frag} config/mh-cxux"
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;;
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m88k-motorola-sysv*)
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host_makefile_frag="${host_makefile_frag} config/mh-delta88"
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;;
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mips*-dec-ultrix*)
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tentative_cc="cc -Wf,-XNg1000"
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host_makefile_frag="${host_makefile_frag} config/mh-decstation"
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;;
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mips*-nec-sysv4*)
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# The C compiler on NEC MIPS SVR4 needs bigger tables.
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tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
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host_makefile_frag="${host_makefile_frag} config/mh-necv4"
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;;
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mips*-sgi-irix6*)
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@ -156,6 +173,10 @@ case "${host}" in
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host_makefile_frag="${host_makefile_frag} config/mh-irix5"
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;;
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mips*-sgi-irix4*)
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# Tell compiler to use K&R C. We can't compile under the SGI Ansi
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# environment. Also bump switch table size so that cp-parse will
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# compile. Bump string length limit so linker builds.
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tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
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host_makefile_frag="${host_makefile_frag} config/mh-irix4"
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;;
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mips*-sgi-irix3*)
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@ -165,27 +186,54 @@ case "${host}" in
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host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
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;;
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mips*-*-sysv*)
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# This is for a MIPS running RISC/os 4.52C.
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# This is needed for GDB, but needs to be in the top-level make because
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# if a library is compiled with the bsd headers and gets linked with the
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# sysv system libraries all hell can break loose (e.g. a jmp_buf might be
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# a different size).
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# ptrace(2) apparently has problems in the BSD environment. No workaround is
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# known except to select the sysv environment. Could we use /proc instead?
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# These "sysv environments" and "bsd environments" often end up being a pain.
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#
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# This is not part of CFLAGS because perhaps not all C compilers have this
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# option.
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tentative_cc="cc -systype sysv"
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host_makefile_frag="${host_makefile_frag} config/mh-riscos"
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;;
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i370-ibm-opened*)
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tentative_cc="c89"
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host_makefile_frag="${host_makefile_frag} config/mh-openedition"
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;;
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i[3456]86-*-sysv5*)
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host_makefile_frag="${host_makefile_frag} config/mh-sysv5"
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;;
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i[3456]86-*-dgux*)
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tentative_cc="gcc -Wall -ansi -D__using_DGUX"
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host_makefile_frag="${host_makefile_frag} config/mh-dgux386"
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;;
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i[3456]86-ncr-sysv4.3*)
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# The MetaWare compiler will generate a copyright message unless you
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# turn it off by adding the -Hnocopyr flag.
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tentative_cc="cc -Hnocopyr"
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host_makefile_frag="${host_makefile_frag} config/mh-ncrsvr43"
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;;
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i[3456]86-ncr-sysv4*)
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# for an NCR 3000 (i486/SVR4) system.
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# The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
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# This compiler not only emits obnoxious copyright messages every time
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# you run it, but it chokes and dies on a whole bunch of GNU source
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# files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
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tentative_cc="/usr/ccs/ATT/cc"
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host_makefile_frag="${host_makefile_frag} config/mh-ncr3000"
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;;
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i[3456]86-*-sco3.2v5*)
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host_makefile_frag="${host_makefile_frag} config/mh-sysv"
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;;
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i[3456]86-*-sco*)
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# The native C compiler botches some simple uses of const. Unfortunately,
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# it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
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tentative_cc="cc -Dconst="
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host_makefile_frag="${host_makefile_frag} config/mh-sco"
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;;
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i[3456]86-*-udk*)
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@ -216,27 +264,39 @@ case "${host}" in
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host_makefile_frag="${host_makefile_frag} config/mh-windows"
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;;
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vax-*-ultrix2*)
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# The old BSD pcc isn't up to compiling parts of gdb so use gcc
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tentative_cc=gcc
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host_makefile_frag="${host_makefile_frag} config/mh-vaxult2"
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;;
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*-*-solaris2*)
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host_makefile_frag="${host_makefile_frag} config/mh-solaris"
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;;
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m68k-sun-sunos*)
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# Sun's C compiler needs the -J flag to be able to compile cp-parse.c
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# without overflowing the jump tables (-J says to use a 32 bit table)
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tentative_cc="cc -J"
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host_makefile_frag="${host_makefile_frag} config/mh-sun3"
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;;
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*-hp-hpux[78]*)
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tentative_cc="cc -Wp,-H256000"
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host_makefile_frag="${host_makefile_frag} config/mh-hpux8"
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;;
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*-hp-hpux*)
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tentative_cc="cc -Wp,-H256000"
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host_makefile_frag="${host_makefile_frag} config/mh-hpux"
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;;
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*-*-hiux*)
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tentative_cc="cc -Wp,-H256000"
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host_makefile_frag="${host_makefile_frag} config/mh-hpux"
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;;
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rs6000-*-lynxos*)
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# /bin/cc is less than useful for our purposes. Always use GCC
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tentative_cc="/usr/cygnus/progressive/bin/gcc"
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host_makefile_frag="${host_makefile_frag} config/mh-lynxrs6k"
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;;
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*-*-lynxos*)
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# /bin/cc is less than useful for our purposes. Always use GCC
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tentative_cc="/bin/gcc"
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host_makefile_frag="${host_makefile_frag} config/mh-lynxos"
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;;
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*-*-sysv4*)
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@ -250,6 +310,7 @@ fi
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# If we aren't going to be using gcc, see if we can extract a definition
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# of CC from the fragment.
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# Actually, use the 'pre-extracted' version above.
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if [ -z "${CC}" ] && [ "${build}" = "${host}" ]; then
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IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
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found=
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@ -261,11 +322,8 @@ if [ -z "${CC}" ] && [ "${build}" = "${host}" ]; then
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fi
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done
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IFS="$save_ifs"
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if [ -z "${found}" ] && [ -n "${host_makefile_frag}" ] && [ -f "${srcdir}/${host_makefile_frag}" ]; then
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xx=`sed -n -e 's/^[ ]*CC[ ]*=[ ]*\(.*\)$/\1/p' < ${srcdir}/${host_makefile_frag}`
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if [ -n "${xx}" ] ; then
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CC=$xx
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fi
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if [ -z "${found}" ] && [ -n "${tentative_cc}" ] ; then
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CC=$tentative_cc
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fi
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fi
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