feat(hectic C): json api

package/c/hmpl/default.nix

@@ -10,16 +10,29 @@ stdenv.mkDerivation {
 
   buildPhase = ''
     mkdir -p target
+
+    echo "# Build library"
     ${gcc}/bin/cc -Wall -Wextra -g \
-      -pedantic -fsanitize=address hmpl.c \
+      -std=c99 \
+      -pedantic -fsanitize=address -c hmpl.c \
+      -lchectic -lcjson \
+      -o target/hmpl.o
+    ${gcc}/bin/ar rcs target/libhmpl.a target/hmpl.o
+
+    echo "# Build app"
+    ${gcc}/bin/cc -Wall -Wextra -g \
+      -pedantic -fsanitize=address main.c \
+      -Ltarget -lhmpl \
       -lchectic -lcjson -o target/hmpl
   '';
 
   checkPhase = '' '';
 
   installPhase = ''
-    mkdir -p $out/bin
+    mkdir -p $out/bin $out/lib $out/include
     cp target/hmpl $out/bin/hmpl
+    cp target/libhmpl.a $out/lib/
+    cp hmpl.h $out/include/hmpl.h
   '';
 
   meta = {