From 90f17499658275ace1e4d1bed1aa231e34ac38b6 Mon Sep 17 00:00:00 2001
From: ashn <60763262+ashn-dot-dev@users.noreply.github.com>
Date: Wed, 9 Aug 2023 13:17:12 -0400
Subject: [PATCH] Ignore unused function warnings from external headers when
 compiling with GCC and Clang (#3235)

---
 src/rtext.c     |  9 +++++++++
 src/rtextures.c | 18 ++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/rtext.c b/src/rtext.c
index a7d9903a..d6aa6d73 100644
--- a/src/rtext.c
+++ b/src/rtext.c
@@ -71,12 +71,21 @@
 #include <ctype.h>          // Required for: toupper(), tolower() [Used in TextToUpper(), TextToLower()]
 
 #if defined(SUPPORT_FILEFORMAT_TTF)
+    #if defined(__GNUC__) // GCC and Clang
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wunused-function"
+    #endif
+
     #define STB_RECT_PACK_IMPLEMENTATION
     #include "external/stb_rect_pack.h"     // Required for: ttf font rectangles packaging
 
     #define STBTT_STATIC
     #define STB_TRUETYPE_IMPLEMENTATION
     #include "external/stb_truetype.h"      // Required for: ttf font data reading
+
+    #if defined(__GNUC__) // GCC and Clang
+        #pragma GCC diagnostic pop
+    #endif
 #endif
 
 //----------------------------------------------------------------------------------
diff --git a/src/rtextures.c b/src/rtextures.c
index 8a391477..f6e7e49c 100644
--- a/src/rtextures.c
+++ b/src/rtextures.c
@@ -138,6 +138,11 @@
      defined(SUPPORT_FILEFORMAT_PIC) || \
      defined(SUPPORT_FILEFORMAT_PNM))
 
+    #if defined(__GNUC__) // GCC and Clang
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wunused-function"
+    #endif
+
     #define STBI_MALLOC RL_MALLOC
     #define STBI_FREE RL_FREE
     #define STBI_REALLOC RL_REALLOC
@@ -145,6 +150,10 @@
     #define STB_IMAGE_IMPLEMENTATION
     #include "external/stb_image.h"         // Required for: stbi_load_from_file()
                                             // NOTE: Used to read image data (multiple formats support)
+
+    #if defined(__GNUC__) // GCC and Clang
+        #pragma GCC diagnostic pop
+    #endif
 #endif
 
 #if (defined(SUPPORT_FILEFORMAT_DDS) || \
@@ -153,9 +162,18 @@
      defined(SUPPORT_FILEFORMAT_PVR) || \
      defined(SUPPORT_FILEFORMAT_ASTC))
 
+    #if defined(__GNUC__) // GCC and Clang
+        #pragma GCC diagnostic push
+        #pragma GCC diagnostic ignored "-Wunused-function"
+    #endif
+
     #define RL_GPUTEX_IMPLEMENTATION
     #include "external/rl_gputex.h"         // Required for: rl_load_xxx_from_memory()
                                             // NOTE: Used to read compressed textures data (multiple formats support)
+
+    #if defined(__GNUC__) // GCC and Clang
+        #pragma GCC diagnostic pop
+    #endif
 #endif
 
 #if defined(SUPPORT_FILEFORMAT_QOI)