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35 lines
603 B
Plaintext
35 lines
603 B
Plaintext
AC_DEFUN([AX_GCC_OPTION], [
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AC_REQUIRE([AC_PROG_CC])
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AC_MSG_CHECKING([if gcc accepts $1 option])
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AS_IF([ test "x$GCC" = "xyes" ],[
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AS_IF([ test -z "$3" ],[
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ax_gcc_option_test="int main()
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{
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return 0;
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}"
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],[
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ax_gcc_option_test="$3"
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])
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# Dump the test program to file
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cat <<EOF > conftest.c
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$ax_gcc_option_test
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EOF
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# Dump back the file to the log, useful for debugging purposes
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AC_TRY_COMMAND(cat conftest.c 1>&AS_MESSAGE_LOG_FD)
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AS_IF([ AC_TRY_COMMAND($CC $2 $1 -c conftest.c 1>&AS_MESSAGE_LOG_FD) ],[
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AC_MSG_RESULT([yes])
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$4
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],[
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AC_MSG_RESULT([no])
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$5
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])
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],[
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AC_MSG_RESULT([no gcc available])
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])
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])
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