configure: rephrase the notice in _XC_CHECK_VAR_*
Instead of claiming it is an error, we call it a "note" to reduce the severity level. But the following text now says the [variable] "*should* only be used to specify"... instead of previously having said "may".
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@ -39,7 +39,7 @@ AC_DEFUN([_XC_CHECK_VAR_LIBS], [
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done
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if test $xc_bad_var_libs = yes; then
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AC_MSG_NOTICE([using LIBS: $LIBS])
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AC_MSG_NOTICE([LIBS error: LIBS may only be used to specify libraries (-lname).])
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AC_MSG_NOTICE([LIBS note: LIBS should only be used to specify libraries (-lname).])
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fi
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])
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@ -68,7 +68,7 @@ AC_DEFUN([_XC_CHECK_VAR_LDFLAGS], [
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done
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if test $xc_bad_var_ldflags = yes; then
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AC_MSG_NOTICE([using LDFLAGS: $LDFLAGS])
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xc_bad_var_msg="LDFLAGS error: LDFLAGS may only be used to specify linker flags, not"
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xc_bad_var_msg="LDFLAGS note: LDFLAGS should only be used to specify linker flags, not"
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for xc_word in $LDFLAGS; do
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case "$xc_word" in
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-D*)
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@ -110,7 +110,7 @@ AC_DEFUN([_XC_CHECK_VAR_CPPFLAGS], [
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done
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if test $xc_bad_var_cppflags = yes; then
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AC_MSG_NOTICE([using CPPFLAGS: $CPPFLAGS])
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xc_bad_var_msg="CPPFLAGS error: CPPFLAGS may only be used to specify C preprocessor flags, not"
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xc_bad_var_msg="CPPFLAGS note: CPPFLAGS should only be used to specify C preprocessor flags, not"
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for xc_word in $CPPFLAGS; do
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case "$xc_word" in
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-rpath*)
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@ -158,7 +158,7 @@ AC_DEFUN([_XC_CHECK_VAR_CFLAGS], [
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done
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if test $xc_bad_var_cflags = yes; then
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AC_MSG_NOTICE([using CFLAGS: $CFLAGS])
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xc_bad_var_msg="CFLAGS error: CFLAGS may only be used to specify C compiler flags, not"
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xc_bad_var_msg="CFLAGS note: CFLAGS should only be used to specify C compiler flags, not"
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for xc_word in $CFLAGS; do
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case "$xc_word" in
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-D*)
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