Apply fixes to let 1.0.1 build

CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.9.1)
+project(hashmap VERSION 1.0.1 DESCRIPTION "A small hashmap written in C to use with some other projects")
+add_library(hashmap SHARED src src/hashmap.c src/linkedlist.c src/node.c)
+set_target_properties(hashmap PROPERTIES VERSION ${PROJECT_VERSION})
+set_target_properties(hashmap PROPERTIES SOVERSION 1)
+set_target_properties(hashmap PROPERTIES PUBLIC_HEADER include/hashmap.c)
+target_include_directories(hashmap PRIVATE include)
+# target_include_directories(hashmap PRIVATE src)
+include(GNUInstallDirs)
+configure_file(hashmap.pc.in hashmap.pc @ONLY)
+install(TARGETS hashmap LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+install(FILES ${CMAKE_BINARY_DIR}/hashmap.pc DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig)

hashmap.pc.in

@@ -0,0 +1,12 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=@CMAKE_INSTALL_PREFIX@
+libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+
+Name: @PROJECT_NAME@
+Description: @PROJECT_DESCRIPTION@
+Version: @PROJECT_VERSION@
+
+Requires:
+Libs: -L${libdir} -lhashmap
+Cflags: -I${includedir}

include/linkedlist.h

@@ -9,7 +9,7 @@ struct ll {
     struct node *tail;
 };
 
-struct new_ll();
+struct ll new_ll();
 void insert_ll(struct ll *list, const char *key, const char *value);
 void remove_ll(struct ll *list, struct node *link);
 

src/hashmap.c

@@ -1,4 +1,6 @@
 #include <hashmap.h>
+#include <stdio.h>
+#include <string.h>
 
 struct hashmap new_map() {
     struct hashmap new;

src/linkedlist.c

@@ -1,4 +1,5 @@
 #include <linkedlist.h>
+#include <stdlib.h>
 
 struct ll new_ll() {
     struct ll new;