117 lines
2.7 KiB
Plaintext
117 lines
2.7 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.5)dnl
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AC_INIT(Makefile.in)
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
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AC_CANONICAL_SYSTEM
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AC_ARG_PROGRAM
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AC_PROG_CC
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AC_SUBST(CFLAGS)
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AC_SUBST(HDEFINES)
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AR=${AR-ar}
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AC_SUBST(AR)
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AC_PROG_RANLIB
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# Put a plausible default for CC_FOR_BUILD in Makefile.
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AC_C_CROSS
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if test "x$cross_compiling" = "xno"; then
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CC_FOR_BUILD='$(CC)'
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else
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CC_FOR_BUILD=gcc
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fi
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AC_SUBST(CC_FOR_BUILD)
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# If a cpu ever has more than one simulator to choose from, use
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# --enable-sim=... to choose.
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AC_ARG_ENABLE(sim,
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[ --enable-sim ],
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[case "${enableval}" in
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yes | no) ;;
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*) AC_MSG_ERROR(bad value ${enableval} given for --enable-sim option) ;;
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esac])
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# Assume simulator can be built with cc.
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# If the user passes --enable-sim built it regardless of $(CC).
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only_if_gcc=no
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# WHEN ADDING ENTRIES TO THIS MATRIX:
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# Make sure that the left side always has two dashes. Otherwise you
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# can get spurious matches. Even for unambiguous cases, do this as a
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# convention, else the table becomes a real mess to understand and maintain.
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case "${target}" in
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arm*-*-*) sim_target=arm ;;
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d10v-*-*) sim_target=d10v ;;
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h8300*-*-*) sim_target=h8300 ;;
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h8500-*-*) sim_target=h8500 ;;
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mips*-*-*)
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# The MIPS simulator can only be compiled by gcc.
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sim_target=mips
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only_if_gcc=yes
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;;
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mn10300*-*-*)
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# The mn10300 simulator can only be compiled by gcc.
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sim_target=mn10300
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only_if_gcc=yes
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;;
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sh*-*-*) sim_target=sh ;;
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powerpc*-*-eabi* | powerpc*-*-solaris* | powerpc*-*-sysv4* | powerpc*-*-elf* | powerpc*-*-linux* )
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# The PowerPC simulator uses the GCC extension long long as well as
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# ANSI prototypes, so don't enable it for random host compilers
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# unless asked to.
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sim_target=ppc
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only_if_gcc=yes
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;;
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# start-sanitize-v850
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v850-*-*)
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# The V850 simulator can only be compiled by gcc.
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sim_target=v850
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only_if_gcc=yes
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;;
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# end-sanitize-v850
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w65-*-*) sim_target=w65 ;;
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z8k*-*-*) sim_target=z8k ;;
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sparc64-*-*)
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sim_target=none # Don't build erc32 if sparc64.
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;;
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sparc*-*-*)
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# The SPARC simulator can only be compiled by gcc.
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sim_target=erc32
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only_if_gcc=yes
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;;
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*) sim_target=none ;;
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esac
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case "${enable_sim}" in
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no) sim_target=none ;;
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yes)
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if test ${only_if_gcc} = yes ; then
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if test "${GCC}" != yes ; then
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echo "Can't enable simulator since not compiling with GCC."
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sim_target=none
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fi
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fi
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;;
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*)
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if test ${only_if_gcc} = yes ; then
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if test "${GCC}" != yes ; then
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sim_target=none
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fi
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fi
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;;
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esac
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if test x"${sim_target}" != xnone ; then
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configdirs="common ${sim_target}"
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AC_CONFIG_SUBDIRS($configdirs)
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fi
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AC_OUTPUT(Makefile)
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exit 0
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