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Annotation of embedaddon/libxml2/acinclude.m4, revision 1.1

1.1     ! misho       1: dnl Like AC_TRY_EVAL but also errors out if the compiler generates
        !             2: dnl _any_ output. Some compilers might issue warnings which we want
        !             3: dnl to catch.
        !             4: AC_DEFUN([AC_TRY_EVAL2],
        !             5: [{ (eval echo configure:__oline__: \"[$]$1\") 1>&AC_FD_CC; dnl
        !             6: (eval [$]$1) 2>&AC_FD_CC; _out=`eval [$]$1 2>&1` && test "x$_out" = x; }])
        !             7: 
        !             8: dnl Like AC_TRY_COMPILE but calls AC_TRY_EVAL2 instead of AC_TRY_EVAL
        !             9: AC_DEFUN([AC_TRY_COMPILE2],
        !            10: [cat > conftest.$ac_ext <<EOF
        !            11: [#]line __oline__ "configure"
        !            12: #include "confdefs.h"
        !            13: [$1]
        !            14: int main(void) {
        !            15: [$2]
        !            16: ; return 0; }
        !            17: EOF
        !            18: if AC_TRY_EVAL2(ac_compile); then
        !            19:   ifelse([$3], , :, [rm -rf conftest*
        !            20:   $3])
        !            21: else
        !            22:   echo "configure: failed program was:" >&AC_FD_CC
        !            23:   cat conftest.$ac_ext >&AC_FD_CC
        !            24: ifelse([$4], , , [  rm -rf conftest*
        !            25:   $4
        !            26: ])dnl
        !            27: fi
        !            28: rm -f conftest*])