19 lines
446 B
Plaintext
19 lines
446 B
Plaintext
dnl @synopsis MN_ADD_CFLAGS
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dnl
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dnl Add the given option to CFLAGS, if it doesn't break the compiler
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AC_DEFUN([MN_ADD_CFLAGS],
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[AC_MSG_CHECKING([if $CC accepts $1])
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ac_add_cflags__old_cflags="$CFLAGS"
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CFLAGS="$1"
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AC_TRY_LINK([
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#include <stdio.h>
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],
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[puts("Hello, World!"); return 0;],
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AC_MSG_RESULT([yes])
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CFLAGS="$ac_add_cflags__old_cflags $1",
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AC_MSG_RESULT([no])
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CFLAGS="$ac_add_cflags__old_cflags"
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)
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])# MN_ADD_CFLAGS
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