# HG changeset patch
# User bsmith@81767d24-ef19-dc11-ae90-00e081727c95
# Date 1601575305 0
# Node ID f98cecae540262e428899a3af3999ce7833911b9
# Parent  87d574dda8f5819860a14b4c092ebd28aad7740b
Revisiting gcc versions, decided to use the official documentation for reference:
First versions documenting support for the features, only goes back to 2.95.
unused: https://gcc.gnu.org/onlinedocs/gcc-2.95.3/gcc_4.html#SEC90
deprecated: https://gcc.gnu.org/onlinedocs/gcc-3.1.1/gcc/Function-Attributes.html
deprecated with message: https://gcc.gnu.org/onlinedocs/gcc-4.5.4/gcc/Function-Attributes.html

diff -r 87d574dda8f5 -r f98cecae5402 dw.h
--- a/dw.h	Thu Oct 01 02:34:36 2020 +0000
+++ b/dw.h	Thu Oct 01 18:01:45 2020 +0000
@@ -43,7 +43,7 @@
 /* Clang or GCC */
 #elif __has_extension(attribute_deprecated_with_message) || __GNUC_PREREQ(4, 5)
 #  define DW_DEPRECATED(func, message) func __attribute__((deprecated (message)))
-#elif __has_extension(attribute_deprecated) || __GNUC_PREREQ(3, 2)
+#elif __has_extension(attribute_deprecated) || __GNUC_PREREQ(3, 1)
 #  define DW_DEPRECATED(func, message) func __attribute__((deprecated))
 #endif
 
@@ -53,7 +53,7 @@
 #endif
 
 /* Support for unused variables in supported compilers */
-#if __has_attribute(unused) || __GNUC_PREREQ(3, 1)
+#if __has_attribute(unused) || __GNUC_PREREQ(2, 95)
 #define DW_UNUSED(x) x __attribute__((__unused__))
 #else
 #define DW_UNUSED(x) x