* new: Hierarchical build from independent projects

Author: dmilos

52-Hierarchical/SConscript

@@ -0,0 +1,7 @@
+Import( 'env' )
+Import( 'first' )
+Import( 'second' )
+
+env.Program( 'main', ['main.c', first, second ] )
+
+

52-Hierarchical/SConstruct

@@ -0,0 +1,9 @@
+
+env = Environment();
+
+Export( 'env' )
+
+first = SConscript( './first/SConscript'  )
+second = SConscript( './second/SConscript' )
+
+SConscript( './SConscript', exports=['first','second'] )

52-Hierarchical/first/SConscript

@@ -0,0 +1,4 @@
+Import( 'env' )
+
+first_lib = env.Library( 'foo', ['f3.c'] )
+Return( 'first_lib' )

52-Hierarchical/first/SConstruct

@@ -0,0 +1,6 @@
+
+env = Environment();
+
+Export( 'env' )
+
+SConscript( './SConscript' )

52-Hierarchical/first/f3.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+int main_LibFirst()
+{
+    printf("Hello, world from LIB!\n");
+    return 1;
+}

52-Hierarchical/main.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main()
+{
+    extern int main_LibSecond();
+    extern int main_LibFirst();
+
+    main_LibFirst();
+    main_LibSecond();
+
+    printf("Hello, world from LIB!\n");
+    return 1;
+}

52-Hierarchical/second/SConscript

@@ -0,0 +1,7 @@
+
+Import( 'env' )
+
+second_lib = env.Library( 'foo', ['f3.c'] )
+
+Return('second_lib')
+

52-Hierarchical/second/SConstruct

@@ -0,0 +1,6 @@
+
+env = Environment();
+
+Export( 'env' )
+
+SConscript( './SConscript' )

52-Hierarchical/second/f3.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+int main_LibSecond()
+{
+    printf("Hello, world from DLL!\n");
+    return 1;
+}