Improved project files with common switches, debug info, and optimisation

3 files changed, 131 insertions, 18 deletions

diff --git a/asndfile.gpr b/asndfile.gpr
index 07c41c5..52a80de 100644
--- a/asndfile.gpr
+++ b/asndfile.gpr
@@ -1,22 +1,24 @@
 
 
+with
+
+    "proj/common";
+
+
 library project Asndfile is
 
 
     for Languages use ("Ada", "C");
 
-
-    for Source_Dirs use ("src");
-    for Object_Dir use "obj";
-    for Library_Dir use "lib";
+    for Source_Dirs  use ("src");
+    for Object_Dir   use "obj";
+    for Library_Dir  use "lib";
     for Library_Name use "asndfile";
     for Library_Kind use "dynamic";
 
-
-    package Compiler is
-        for Default_Switches ("Ada") use ("-gnaty4aAbcefhiklM100nprt");
-        for Default_Switches ("C") use ("-Wall", "-Wextra");
-    end Compiler;
+    package Builder  renames Common.Builder;
+    package Compiler renames Common.Compiler;
+    package Binder   renames Common.Binder;
 
 
 end Asndfile;
diff --git a/example.gpr b/example.gpr
index 9f8479e..e799be2 100644
--- a/example.gpr
+++ b/example.gpr
@@ -1,6 +1,9 @@
 
 
-with "asndfile";
+with
+
+    "asndfile",
+    "proj/common";
 
 
 project Example is
@@ -8,23 +11,29 @@ project Example is
 
     for languages use ("Ada");
 
-
     for Source_Dirs use ("example");
     for Object_Dir use "obj";
     for Exec_Dir use "bin";
-    for Main use ("file_info_example.adb", "read_example.adb", "virtual_io_example.adb");
 
+    for Main use
+       ("file_info_example.adb",
+        "read_example.adb",
+        "virtual_io_example.adb");
 
     package Builder is
-        for Executable("file_info_example.adb") use "info_example";
-        for Executable("read_example.adb") use "read_example";
+        for Executable("file_info_example.adb")  use "info_example";
+        for Executable("read_example.adb")       use "read_example";
         for Executable("virtual_io_example.adb") use "virtual_example";
-    end Builder;
 
+        for Default_Switches ("Ada") use
+            Common.Builder'Default_Switches ("Ada");
+        for Global_Compilation_Switches ("Ada") use
+            Common.Builder'Global_Compilation_Switches ("Ada");
+    end Builder;
 
-    package Compiler is
-        for Default_Switches("Ada") use ("-gnaty4aAbcefhiklM100nprt");
-    end Compiler;
+    package Compiler renames Common.Compiler;
+    package Binder   renames Common.Binder;
+    package Linker   renames Common.Linker;
 
 
 end Example;
diff --git a/proj/common.gpr b/proj/common.gpr
new file mode 100644
index 0000000..a251d70
--- /dev/null
+++ b/proj/common.gpr
@@ -0,0 +1,102 @@
+
+
+abstract project Common is
+
+
+    type Build_Kind is ("release", "debug");
+
+    Ver : Build_Kind := external ("build", "release");
+
+
+    package Builder is
+        for Default_Switches ("Ada") use ("-j4", "-m");
+        for Global_Compilation_Switches ("Ada") use ("-shared");
+
+        case Ver is
+
+        when "release" =>
+            null;
+
+        when "debug" =>
+            for Default_Switches ("Ada") use Builder'Default_Switches ("Ada") & "-g";
+
+        end case;
+    end Builder;
+
+
+    Ada_Common :=
+       ("-gnaty"
+        & "4"     --  indentation
+        & "a"     --  attribute casing
+        & "A"     --  array attribute indices
+        & "b"     --  blanks at end of lines
+        & "c"     --  two space comments
+        & "e"     --  end/exit labels
+        & "f"     --  no form feeds or vertical tabs
+        & "h"     --  no horizontal tabs
+        & "i"     --  if/then layout
+        & "k"     --  keyword casing
+        & "l"     --  reference manual layout
+        & "M100"  --  max line length
+        & "n"     --  package Standard casing
+        & "p"     --  pragma casing
+        & "r"     --  identifier casing
+        & "t",    --  token separation
+        "-gnatw"
+        & "a"     --  various warning modes
+        & "F"     --  don't check for unreferenced formal parameters
+        & "J"     --  don't check for obsolescent feature use
+        & "U");   --  don't check for unused entities
+
+    C_Common :=
+       ("-Wall",
+        "-Werror",
+        "-Wextra",
+        "-Wpedantic");
+
+    package Compiler is
+        case Ver is
+
+        when "release" =>
+            for Default_Switches ("Ada") use Ada_Common & "-O3" & "-gnatn";
+            for Default_Switches ("C")   use C_Common   & "-O3";
+
+        when "debug" =>
+            for Default_Switches ("Ada") use Ada_Common & "-O0" & "-gnata" & "-gnato" & "-g";
+            for Default_Switches ("C")   use C_Common   & "-O0";
+
+        end case;
+    end Compiler;
+
+
+    package Binder is
+        for Default_Switches ("Ada") use ("-shared");
+
+        case Ver is
+
+        when "release" =>
+            null;
+
+        when "debug" =>
+            for Default_Switches ("Ada") use Binder'Default_Switches ("Ada") & "-Es";
+
+        end case;
+    end Binder;
+
+
+    package Linker is
+        case Ver is
+
+        when "release" =>
+            null;
+
+        when "debug" =>
+            for Default_Switches ("Ada") use ("-g");
+
+        end case;
+    end Linker;
+
+
+end Common;
+
+