guix/gnu/packages/patches/heatshrink-add-cmake.patch

From 0886e9ca76552b8e325841e2b820b4563e5d5aba Mon Sep 17 00:00:00 2001
From: tamasmeszaros <meszaros.q@gmail.com>
Date: Thu, 27 Jul 2023 23:11:25 +0200
Subject: [PATCH] Add CMake build script

---
 CMakeLists.txt  | 82 +++++++++++++++++++++++++++++++++++++++++++++++++
 Config.cmake.in |  5 +++
 2 files changed, 87 insertions(+)
 create mode 100644 CMakeLists.txt
 create mode 100644 Config.cmake.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..5b840eb
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,82 @@
+cmake_minimum_required(VERSION 3.10)
+
+project(heatshrink C)
+
+add_library(${PROJECT_NAME} heatshrink_decoder.c heatshrink_encoder.c)
+add_library(${PROJECT_NAME}_dynalloc heatshrink_decoder.c heatshrink_encoder.c)
+
+find_library(MATH_LIBRARY m) # Business as usual
+if(MATH_LIBRARY)
+    target_link_libraries(${PROJECT_NAME} PUBLIC ${MATH_LIBRARY})
+endif()
+
+target_include_directories(${PROJECT_NAME} PUBLIC $<INSTALL_INTERFACE:include>)
+target_include_directories(${PROJECT_NAME}_dynalloc PUBLIC $<INSTALL_INTERFACE:include>)
+
+target_compile_definitions(${PROJECT_NAME} PUBLIC HEATSHRINK_DYNAMIC_ALLOC=0)
+target_compile_definitions(${PROJECT_NAME}_dynalloc PUBLIC HEATSHRINK_DYNAMIC_ALLOC=1)
+
+if (UNIX)
+  add_executable(${PROJECT_NAME}_cmd heatshrink.c)
+  target_link_libraries(${PROJECT_NAME}_cmd ${PROJECT_NAME}_dynalloc)
+  set_target_properties(${PROJECT_NAME}_cmd PROPERTIES OUTPUT_NAME ${PROJECT_NAME})
+endif ()
+
+# Installation and export:
+
+include(CMakePackageConfigHelpers)
+
+write_basic_package_version_file(
+    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
+    VERSION 0.4.1
+    COMPATIBILITY AnyNewerVersion
+)
+
+set(_exported_targets ${PROJECT_NAME} ${PROJECT_NAME}_dynalloc)
+if (UNIX)
+  list(APPEND _exported_targets ${PROJECT_NAME}_cmd)
+endif ()
+
+install(TARGETS ${_exported_targets}
+        EXPORT ${PROJECT_NAME}Targets
+)
+
+export(EXPORT ${PROJECT_NAME}Targets 
+       FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake" 
+       NAMESPACE ${PROJECT_NAME}::
+)
+
+include(GNUInstallDirs)
+set(ConfigPackageLocation ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+
+configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+  INSTALL_DESTINATION ${ConfigPackageLocation}
+)
+
+install(
+    FILES
+      heatshrink_common.h
+      heatshrink_config.h
+      heatshrink_encoder.h
+      heatshrink_decoder.h
+    DESTINATION
+      include/${PROJECT_NAME}
+  )
+
+install(EXPORT ${PROJECT_NAME}Targets
+  FILE
+    ${PROJECT_NAME}Targets.cmake
+  NAMESPACE
+    ${PROJECT_NAME}::
+  DESTINATION
+    ${ConfigPackageLocation}
+)
+
+install(
+  FILES
+    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+    "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
+  DESTINATION
+    ${ConfigPackageLocation}
+)
diff --git a/Config.cmake.in b/Config.cmake.in
new file mode 100644
index 0000000..0809ba9
--- /dev/null
+++ b/Config.cmake.in
@@ -0,0 +1,5 @@
+@PACKAGE_INIT@
+
+if (EXISTS ${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake)
+    include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
+endif ()