libjson-c: update to 0.19

This release includes fix for:
- CVE-2026-9146

No longer required patch:
- 002-cmake-version.patch

This commit also disable unused json_parse app build.

Full changelog:
https://github.com/json-c/json-c/blob/json-c-0.19-20260627/ChangeLog

Signed-off-by: Yanase Yuki <dev@zpc.st>
Link: https://github.com/openwrt/openwrt/pull/25774
Signed-off-by: Nick Hainke <vincent@systemli.org>

package/libs/libjson-c/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=json-c
-PKG_VERSION:=0.18
+PKG_VERSION:=0.19
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-nodoc.tar.gz
-PKG_SOURCE_URL:=https://s3.amazonaws.com/json-c_releases/releases/
-PKG_HASH:=602cdefc1d2aab8318fc0814b7ce7d59e72514d4276ca3eff92f35f86cf1c160
+PKG_SOURCE_URL:=https://github.com/json-c/json-c/releases/download/json-c-$(PKG_VERSION)-20260627
+PKG_HASH:=704927172443309a8efeb162060bb215548e1286e5568514007dd2cc35a0a164
 
 PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
 PKG_LICENSE:=MIT
@@ -27,11 +27,13 @@ include $(INCLUDE_DIR)/host-build.mk
 include $(INCLUDE_DIR)/cmake.mk
 
 CMAKE_HOST_OPTIONS += \
-	-DDISABLE_EXTRA_LIBS=TRUE \
-	-DBUILD_SHARED_LIBS=FALSE
+	-DDISABLE_EXTRA_LIBS:BOOL=ON \
+	-DBUILD_SHARED_LIBS:BOOL=OFF \
+	-DBUILD_APPS:BOOL=OFF
 
 CMAKE_OPTIONS += \
-	-DDISABLE_EXTRA_LIBS=TRUE
+	-DDISABLE_EXTRA_LIBS:BOOL=ON \
+	-DBUILD_APPS:BOOL=OFF
 
 define Package/libjson-c
   SECTION:=libs

package/libs/libjson-c/patches/001-dont-build-docs.patch

@@ -1,6 +1,6 @@
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -449,8 +449,6 @@ configure_file(json.h.cmakein ${PROJECT_
+@@ -522,8 +522,6 @@ configure_file(json.h.cmakein ${PROJECT_
  include_directories(${PROJECT_SOURCE_DIR})
  include_directories(${PROJECT_BINARY_DIR})
  

package/libs/libjson-c/patches/002-cmake-version.patch

@@ -1,20 +0,0 @@
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -3,7 +3,7 @@
- #   and many OpenWRT packages require, much newer CMake packages.
- #  We're stopping before 3.10 because that version starts requiring
- #   c++11, which isn't available on e.g HPUX.
--cmake_minimum_required(VERSION 3.9...3.12)
-+cmake_minimum_required(VERSION 3.10)
- 
- # JSON-C library is C only project.
- # PROJECT_VERSION{,_MAJOR,_MINOR,_PATCH} set by project():
---- a/apps/CMakeLists.txt
-+++ b/apps/CMakeLists.txt
-@@ -1,5 +1,5 @@
- 
--cmake_minimum_required(VERSION 2.8)  # see ../CMakeLists.txt for why 2.8
-+cmake_minimum_required(VERSION 3.10)
- 
- if(POLICY CMP0075)
-     cmake_policy(SET CMP0075 NEW)