Re: SDL Ada package fails to compile on Mac, gnat 13.1, missing "SDL2_ttf/SDL_ttf.h"

["Luke A. Guest" <laguest@archeia.com>]

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The /build/gnat gpr's have got a bit confused by the looks of things.

Can you try this patch, it's made from a stash from a diff branch, if it 
works I'll apply it and push it.

Luke.

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diff --git a/build/gnat/makefile b/build/gnat/makefile
index b13930f..0046490 100644
--- a/build/gnat/makefile
+++ b/build/gnat/makefile
@@ -90,7 +90,7 @@ tests: $(LIB_NAME) tests.gpr $(TESTS_SRCS)
 
 tests.gpr: $(TESTS_SRCS) gen/$(SDL_MODE)/test/libtestmaths.so
 	$(GPRMAKE) -p -gnat2012 -XSDL_MODE=$(SDL_MODE) -XSDL_PLATFORM=$(SDL_PLATFORM) \
-		-Ptests.gpr ${SDL2_CONFIG}
+		-Ptests.gpr # ${SDL2_CONFIG}
 
 # Maths library
 
@@ -111,7 +111,7 @@ unit_tests: $(LIB_NAME) build_unit_tests/unit_tests
 
 build_unit_tests/unit_tests:
 	$(GPRMAKE) -p -gnat2012 -XSDL_MODE=$(SDL_MODE) -XSDL_PLATFORM=$(SDL_PLATFORM) \
-		-Punit_tests.gpr ${SDL2_CONFIG}
+		-Punit_tests.gpr # ${SDL2_CONFIG}
 
 .PHONY: clean-unit_tests
 
diff --git a/build/gnat/sdlada.gpr b/build/gnat/sdlada.gpr
index adc77f5..13ef8ee 100644
--- a/build/gnat/sdlada.gpr
+++ b/build/gnat/sdlada.gpr
@@ -1,10 +1,21 @@
 library project SDLAda is
-   type Platform_Type is ("linux", "bsd", "windows", "macosx", "macos_homebrew", "ios", "android");
+   type Platform_Type is ("linux",
+                          "bsd",
+                          "windows",
+                          "macosx",
+                          "macos_homebrew",
+                          "macos_ports",
+                          "ios",
+                          "android");
    type Mode_Type is ("debug", "release");
 
    Platform : Platform_Type := external ("SDL_PLATFORM", "linux");
    Mode     : Mode_Type     := external ("SDL_MODE", "debug");
 
+   package Builder is
+      for Default_Switches ("Ada") use ("-gnat2012", "-gnata");
+   end Builder;
+
    Source_Platform := "";
 
    case Platform is
@@ -52,6 +63,11 @@ library project SDLAda is
                                           "-I/usr/local/include",
                                           "-D_REENTRANT");
 
+         when "macos_ports" =>
+            C_Switches   := C_Switches & ("-DSDL_MACPORTS",
+                                          "-I/opt/local/include",
+                                          "-D_THREAD_SAFE");
+
          when others =>
             null;
       end case;
@@ -59,4 +75,33 @@ library project SDLAda is
       for Default_Switches ("C") use Common_Switches & C_Switches;
       for Default_Switches ("Ada") use Common_Switches & Ada_Switches;
    end Compiler;
+
+   package Linker is
+      Linker_Switches := ();
+
+      case Platform is
+         when "linux" | "bsd" | "android" | "windows" =>
+            Linker_Switches := Linker_Switches & ("-lSDL2",
+                                                  "-lSDL2_ttf",
+                                                  "-lSDL2_image",
+                                                  "-L/usr/lib64");
+
+         when "macos_homebrew" =>
+            Linker_Switches := Linker_Switches & ("-lSDL2",
+                                                  "-lSDL2_ttf",
+                                                  "-lSDL2_image",
+                                                  "-L/usr/local/lib");
+
+         when "macos_ports" =>
+            Linker_Switches := Linker_Switches & ("-lSDL2",
+                                                  "-lSDL2_ttf",
+                                                  "-lSDL2_image",
+                                                  "-L/opt/local/lib");
+
+         when others =>
+            null;
+      end case;
+
+      for Switches ("Ada") use Linker_Switches;
+   end Linker;
 end SDLAda;
diff --git a/build/gnat/sdlada_image.gpr b/build/gnat/sdlada_image.gpr
index 1098095..5a9764f 100644
--- a/build/gnat/sdlada_image.gpr
+++ b/build/gnat/sdlada_image.gpr
@@ -11,4 +11,5 @@ library project SDLAda_Image is
    for Library_Version use "libsdlada_image.so." & Version;
 
    package Compiler renames SDLAda.Compiler;
+   package Linker renames SDLAda.Linker;
 end SDLAda_Image;
diff --git a/build/gnat/tests.gpr b/build/gnat/tests.gpr
index 70dceff..51ee201 100644
--- a/build/gnat/tests.gpr
+++ b/build/gnat/tests.gpr
@@ -15,24 +15,5 @@ project Tests is
                         "ttf.adb");
 
    package Compiler renames SDLAda.Compiler;
-
-   package Linker is
-
-      Linker_Switches := ();
-
-      case Sdlada.Platform is
-         when "macos_homebrew" =>
-            Linker_Switches := Linker_Switches & ("-lSDL2",
-                                                  "-lSDL2_ttf",
-                                                  "-lSDL2_image",
-                                                  "-L/usr/local/lib");
-
-         when others =>
-            null;
-      end case;
-
-      for Switches ("Ada") use Linker_Switches;
-
-   end Linker;
-
+   package Linker renames SDLAda.Linker;
 end Tests;
diff --git a/build/gnat/tests_image.gpr b/build/gnat/tests_image.gpr
index f23be3c..fd68309 100644
--- a/build/gnat/tests_image.gpr
+++ b/build/gnat/tests_image.gpr
@@ -8,6 +8,7 @@ project Tests_Image is
    for Main        use ("load_surface.adb");
 
    package Compiler renames SDLAda.Compiler;
+   package Linker renames SDLAda.Linker;
 
    --     package Builder is
    --        for Default_Switches ("Ada") use ("-gnat2012", "-gnata"); --, "-gnatG");
diff --git a/build/gnat/unit_tests.gpr b/build/gnat/unit_tests.gpr
index c469a34..27dd38f 100644
--- a/build/gnat/unit_tests.gpr
+++ b/build/gnat/unit_tests.gpr
@@ -17,4 +17,5 @@ project Unit_Tests is
    -- end Ide;
 
    package Compiler renames SDLAda.Compiler;
+   package Linker renames SDLAda.Linker;
 end Unit_Tests;