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e1021fa1ac
* acinclude.m4: applied fix from Alexander Winston for a problem related to automake-1.8 , c.f. #132513 and #129861 Daniel
29 lines
772 B
Plaintext
29 lines
772 B
Plaintext
dnl Like AC_TRY_EVAL but also errors out if the compiler generates
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dnl _any_ output. Some compilers might issue warnings which we want
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dnl to catch.
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AC_DEFUN([AC_TRY_EVAL2],
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[{ (eval echo configure:__oline__: \"[$]$1\") 1>&AC_FD_CC; dnl
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(eval [$]$1) 2>&AC_FD_CC; _out=`eval [$]$1 2>&1` && test "x$_out" = x; }])
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dnl Like AC_TRY_COMPILE but calls AC_TRY_EVAL2 instead of AC_TRY_EVAL
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AC_DEFUN([AC_TRY_COMPILE2],
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[cat > conftest.$ac_ext <<EOF
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[#]line __oline__ "configure"
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#include "confdefs.h"
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[$1]
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int main() {
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[$2]
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; return 0; }
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EOF
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if AC_TRY_EVAL2(ac_compile); then
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ifelse([$3], , :, [rm -rf conftest*
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$3])
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else
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echo "configure: failed program was:" >&AC_FD_CC
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cat conftest.$ac_ext >&AC_FD_CC
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ifelse([$4], , , [ rm -rf conftest*
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$4
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])dnl
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fi
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rm -f conftest*])
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