feat: Kconfig support added

Initial support for Kconfiglib has been added. This includes menuconfig,
savedefconfig, defconfig, and config.h generation.

16 files changed, 22 insertions, 6 deletions

diff --git a/example/.config b/example/.config
new file mode 100644
index 0000000..5140cd9
--- /dev/null
+++ b/example/.config
@@ -0,0 +1 @@
+CONFIG_FIB_NUMBER=8
diff --git a/example/Kconfig b/example/Kconfig
new file mode 100644
index 0000000..11c2de0
--- /dev/null
+++ b/example/Kconfig
@@ -0,0 +1,8 @@
+mainmenu "Example Program Configuration"
+
+config FIB_NUMBER
+    int "Fibonacci Number"
+    default 9
+    help
+        Which Fibonacci number you would like.
+
diff --git a/example/Makefile b/example/Makefile
index b0e81b3..3b69ed1 100644
--- a/example/Makefile
+++ b/example/Makefile
@@ -3,7 +3,10 @@
 #
 # SPDX-License-Identifier: BSD-2-Clause
 #
-SUBDIRS = libfib test
+SUBDIRS          = libfib test
+KCONFIGLIB_DIR   = tools/Kconfiglib
+GENERATED_HEADER = config.h
 
-include tools/mcd.subdir.mk
+include tools/mk/mcd.subdir.mk
+include tools/mk/mcd.Kconfig.mk
 
diff --git a/example/config.h b/example/config.h
new file mode 100644
index 0000000..3efc17a
--- /dev/null
+++ b/example/config.h
@@ -0,0 +1 @@
+#define CONFIG_FIB_NUMBER 8
diff --git a/example/configs/8_defconfig b/example/configs/8_defconfig
new file mode 100644
index 0000000..5140cd9
--- /dev/null
+++ b/example/configs/8_defconfig
@@ -0,0 +1 @@
+CONFIG_FIB_NUMBER=8
diff --git a/example/libfib/Makefile b/example/libfib/Makefile
index 4df5255..fae976f 100644
--- a/example/libfib/Makefile
+++ b/example/libfib/Makefile
@@ -13,5 +13,5 @@ CFLAGS      = -Wall \
               -std=c17
 SRCS        = fib.c
 
-include ../tools/mcd.lib.mk
+include ../tools/mk/mcd.lib.mk
 
diff --git a/example/libfib/fib.o b/example/libfib/fib.o
new file mode 100644
index 0000000..9380b6f
--- /dev/null
+++ b/example/libfib/fib.o
diff --git a/example/libfib/libfib.a b/example/libfib/libfib.a
new file mode 100644
index 0000000..6c7c483
--- /dev/null
+++ b/example/libfib/libfib.a
diff --git a/example/libfib/libfib.so.1.1 b/example/libfib/libfib.so.1.1
new file mode 100755
index 0000000..2ed114c
--- /dev/null
+++ b/example/libfib/libfib.so.1.1
diff --git a/example/test/Makefile b/example/test/Makefile
index 041722b..7bdeca0 100644
--- a/example/test/Makefile
+++ b/example/test/Makefile
@@ -10,9 +10,10 @@ CFLAGS  = -Wall \
           -Wextra \
           -Wpedantic \
           -I../libfib \
+          -I.. \
           -std=c17
 LDFLAGS = -L../libfib \
           -lfib
 
-include ../tools/mcd.prog.mk
+include ../tools/mk/mcd.prog.mk
 
diff --git a/example/test/main b/example/test/main
new file mode 100755
index 0000000..50681f9
--- /dev/null
+++ b/example/test/main
diff --git a/example/test/main.c b/example/test/main.c
index b5a75b1..92e3b29 100644
--- a/example/test/main.c
+++ b/example/test/main.c
@@ -5,9 +5,10 @@
 //
 #include <stdio.h>
 #include "fib.h"
+#include "config.h"
 
 int main(void) {
-    printf("fib(9) = %llu\n", fib(9));
+    printf("fib(%u) = %llu\n", CONFIG_FIB_NUMBER, fib(CONFIG_FIB_NUMBER));
     return 0;
 }
 
diff --git a/example/test/main.o b/example/test/main.o
new file mode 100644
index 0000000..62fd238
--- /dev/null
+++ b/example/test/main.o
diff --git a/example/tools b/example/tools
deleted file mode 120000
index add5f73..0000000
--- a/example/tools
+++ /dev/null
@@ -1 +0,0 @@
-../mk
\ No newline at end of file
diff --git a/example/tools/Kconfiglib b/example/tools/Kconfiglib
new file mode 160000
+Subproject a74dfcfaf14ea8a22866df725e757d7c901255d
diff --git a/example/tools/mk b/example/tools/mk
new file mode 120000
index 0000000..fdcfb78
--- /dev/null
+++ b/example/tools/mk
@@ -0,0 +1 @@
+../../mk
\ No newline at end of file