11 lines
496 B
Plaintext
11 lines
496 B
Plaintext
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AC_DEFUN([QSE_TRY_CFLAGS], [
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AS_VAR_PUSHDEF([ac_var], ac_cv_cflags_[[$1]])
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AC_CACHE_CHECK([whether the compiler supports $1], ac_var, [
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ac_hawk_try_cflags_saved=$CFLAGS
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CFLAGS="$CFLAGS $1"
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AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(int argc, char **argv) { return 0; }]])], [AS_VAR_SET(ac_var,yes)], [AS_VAR_SET(ac_var,no)])
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CFLAGS=$ac_hawk_try_cflags_saved])
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AS_IF([test AS_VAR_GET(ac_var) = yes], [m4_default([$2], [EXTRACFLAGS="$EXTRACFLAGS $1"])], [$3])
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AS_VAR_POPDEF([ac_var])
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])
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