Mercurial > hg > CbC > CbC_llvm

annotate autoconf/m4/build_exeext.m4 @ 17:5e1f5bc27634

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remove codeFlag for llvm type and add __CodeTy
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Sat, 05 Oct 2013 22:04:18 +0900
parents 9ad51c7bc036
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Check for the extension used for executables on build platform.
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2 # This is necessary for cross-compiling where the build platform
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3 # may differ from the host platform.
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4 AC_DEFUN([AC_BUILD_EXEEXT],
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5 [
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6 AC_MSG_CHECKING([for executable suffix on build platform])
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7 AC_CACHE_VAL(ac_cv_build_exeext,
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8 [if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
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9 ac_cv_build_exeext=.exe
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10 else
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11 ac_build_prefix=${build_alias}-
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12
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13 AC_CHECK_PROG(BUILD_CC, ${ac_build_prefix}gcc, ${ac_build_prefix}gcc)
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14 if test -z "$BUILD_CC"; then
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15 AC_CHECK_PROG(BUILD_CC, gcc, gcc)
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16 if test -z "$BUILD_CC"; then
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17 AC_CHECK_PROG(BUILD_CC, cc, cc, , , /usr/ucb/cc)
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18 fi
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19 fi
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20 test -z "$BUILD_CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
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21 ac_build_link='${BUILD_CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&AS_MESSAGE_LOG_FD'
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22 rm -f conftest*
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23 echo 'int main () { return 0; }' > conftest.$ac_ext
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24 ac_cv_build_exeext=
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25 if AC_TRY_EVAL(ac_build_link); then
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26 for file in conftest.*; do
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27 case $file in
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28 *.c | *.o | *.obj | *.dSYM) ;;
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29 *) ac_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
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30 esac
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31 done
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32 else
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33 AC_MSG_ERROR([installation or configuration problem: compiler cannot create executables.])
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34 fi
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35 rm -f conftest*
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36 test x"${ac_cv_build_exeext}" = x && ac_cv_build_exeext=blank
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37 fi])
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38 BUILD_EXEEXT=""
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39 test x"${ac_cv_build_exeext}" != xblank && BUILD_EXEEXT=${ac_cv_build_exeext}
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40 AC_MSG_RESULT(${ac_cv_build_exeext})
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41 ac_build_exeext=$BUILD_EXEEXT
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42 AC_SUBST(BUILD_EXEEXT)])