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Modfiy gcc v6.x fix for empty CXXFLAGS (See #20)

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chros
2017-08-02 12:51:03 +01:00
parent 943b576e1f
commit 1a4f6dab1a
2 changed files with 18 additions and 4 deletions
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scripts/rak_compiler.m4
+17 -4
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@@ -1,12 +1,25 @@
AC_DEFUN([RAK_CHECK_CFLAGS], [
AC_MSG_CHECKING([for user-defined CFLAGS])
if test "$CFLAGS" = ""; then
unset CFLAGS
AC_MSG_RESULT([undefined])
else
AC_MSG_RESULT([user-defined "$CFLAGS"])
fi
])
AC_DEFUN([RAK_CHECK_CXXFLAGS], [
AC_MSG_CHECKING([for user-defined CXXFLAGS])
if test -n "$CXXFLAGS"; then
AC_MSG_RESULT([user-defined "$CXXFLAGS"])
if test "$CXXFLAGS" = ""; then
unset CXXFLAGS
AC_MSG_RESULT([undefined])
else
CXXFLAGS="-O2"
AC_MSG_RESULT([default "$CXXFLAGS"])
AC_MSG_RESULT([user-defined "$CXXFLAGS"])
fi
])