From 822c1e65122bab60d98067a82367a21ba4715979 Mon Sep 17 00:00:00 2001
From: hmelder <service@hugomelder.com>
Date: Sun, 19 Nov 2023 11:58:09 +0100
Subject: [PATCH 1/8] Add libdispatch.pc.in

---
 cmake/libdispatch.pc.in | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 cmake/libdispatch.pc.in

diff --git a/cmake/libdispatch.pc.in b/cmake/libdispatch.pc.in
new file mode 100644
index 000000000..801c148cf
--- /dev/null
+++ b/cmake/libdispatch.pc.in
@@ -0,0 +1,10 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+
+Name: libdispatch
+Description: libdispatch (a.k.a. Grand Central Dispatch)
+Version: @PROJECT_VERSION@
+Libs: -L${libdir} -ldispatch
+Cflags: -I${includedir}

From f04dee4087e2133415c8094a1ff69a1de0cb1829 Mon Sep 17 00:00:00 2001
From: hmelder <service@hugomelder.com>
Date: Sun, 19 Nov 2023 11:58:32 +0100
Subject: [PATCH 2/8] Add pkgconfig generation

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 57a37d3b5..2030d58d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -285,6 +285,10 @@ else()
   set(INSTALL_OS_HEADERS_DIR "include/os" CACHE PATH "Path where the headers will be installed")
 endif()
 
+configure_file("${PROJECT_SOURCE_DIR}/cmake/libdispatch.pc.in"
+               "${PROJECT_BINARY_DIR}/libdispatch.pc")
+
+install(FILES ${PROJECT_BINARY_DIR}/libdispatch.pc DESTINATION ${INSTALL_LIBDIR}/pkgconfig)
 
 add_subdirectory(dispatch)
 add_subdirectory(man)

From 944f0c9ccb45a6d4f4193ce13d0106da3645f035 Mon Sep 17 00:00:00 2001
From: hmelder <service@hugomelder.com>
Date: Sun, 19 Nov 2023 12:12:17 +0100
Subject: [PATCH 3/8] Restrict replacement in libdispatch.pc.in

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2030d58d7..9f368ce7e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -286,7 +286,7 @@ else()
 endif()
 
 configure_file("${PROJECT_SOURCE_DIR}/cmake/libdispatch.pc.in"
-               "${PROJECT_BINARY_DIR}/libdispatch.pc")
+               "${PROJECT_BINARY_DIR}/libdispatch.pc" @ONLY)
 
 install(FILES ${PROJECT_BINARY_DIR}/libdispatch.pc DESTINATION ${INSTALL_LIBDIR}/pkgconfig)
 

From 016f2aa868a10203cee4bb63a07ed36deccfa3bb Mon Sep 17 00:00:00 2001
From: hmelder <service@hugomelder.com>
Date: Sun, 19 Nov 2023 12:15:44 +0100
Subject: [PATCH 4/8] Fix install path of libdispatch.pc

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9f368ce7e..547a808bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -288,7 +288,7 @@ endif()
 configure_file("${PROJECT_SOURCE_DIR}/cmake/libdispatch.pc.in"
                "${PROJECT_BINARY_DIR}/libdispatch.pc" @ONLY)
 
-install(FILES ${PROJECT_BINARY_DIR}/libdispatch.pc DESTINATION ${INSTALL_LIBDIR}/pkgconfig)
+install(FILES ${PROJECT_BINARY_DIR}/libdispatch.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 
 add_subdirectory(dispatch)
 add_subdirectory(man)

From 16b4ed95caa65652a46260eea61059e115205df3 Mon Sep 17 00:00:00 2001
From: hmelder <service@hugomelder.com>
Date: Sun, 19 Nov 2023 12:20:58 +0100
Subject: [PATCH 5/8] Restrict PC generation to non-apple platforms

---
 CMakeLists.txt | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 547a808bb..07bc78a85 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -285,10 +285,12 @@ else()
   set(INSTALL_OS_HEADERS_DIR "include/os" CACHE PATH "Path where the headers will be installed")
 endif()
 
-configure_file("${PROJECT_SOURCE_DIR}/cmake/libdispatch.pc.in"
-               "${PROJECT_BINARY_DIR}/libdispatch.pc" @ONLY)
+if(NOT APPLE)
+  configure_file("${PROJECT_SOURCE_DIR}/cmake/libdispatch.pc.in"
+                 "${PROJECT_BINARY_DIR}/libdispatch.pc" @ONLY)
 
-install(FILES ${PROJECT_BINARY_DIR}/libdispatch.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+  install(FILES ${PROJECT_BINARY_DIR}/libdispatch.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+endif
 
 add_subdirectory(dispatch)
 add_subdirectory(man)

From ae22f7f2c68b8796f693a5b52955f9ca785eea74 Mon Sep 17 00:00:00 2001
From: hmelder <service@hugomelder.com>
Date: Sun, 19 Nov 2023 12:23:06 +0100
Subject: [PATCH 6/8] Add missing ()

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 07bc78a85..53fcbfc21 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -290,7 +290,7 @@ if(NOT APPLE)
                  "${PROJECT_BINARY_DIR}/libdispatch.pc" @ONLY)
 
   install(FILES ${PROJECT_BINARY_DIR}/libdispatch.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
-endif
+endif()
 
 add_subdirectory(dispatch)
 add_subdirectory(man)

From be4157c947cfbb4c12eda936a1b327b4c4251ecc Mon Sep 17 00:00:00 2001
From: hmelder <service@hugomelder.com>
Date: Fri, 24 Nov 2023 21:24:19 +0100
Subject: [PATCH 7/8] Move pkg config generation to cmake module

---
 CMakeLists.txt                          |  8 +-------
 cmake/modules/PkgConfigGeneration.cmake | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 7 deletions(-)
 create mode 100644 cmake/modules/PkgConfigGeneration.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 53fcbfc21..cca3db73d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,6 +88,7 @@ include(DispatchSanitization)
 include(DispatchCompilerWarnings)
 include(DTrace)
 include(SwiftSupport)
+include(PkgConfigGeneration)
 
 # NOTE(abdulras) this is the CMake supported way to control whether we generate
 # shared or static libraries.  This impacts the behaviour of `add_library` in
@@ -285,13 +286,6 @@ else()
   set(INSTALL_OS_HEADERS_DIR "include/os" CACHE PATH "Path where the headers will be installed")
 endif()
 
-if(NOT APPLE)
-  configure_file("${PROJECT_SOURCE_DIR}/cmake/libdispatch.pc.in"
-                 "${PROJECT_BINARY_DIR}/libdispatch.pc" @ONLY)
-
-  install(FILES ${PROJECT_BINARY_DIR}/libdispatch.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
-endif()
-
 add_subdirectory(dispatch)
 add_subdirectory(man)
 add_subdirectory(os)
diff --git a/cmake/modules/PkgConfigGeneration.cmake b/cmake/modules/PkgConfigGeneration.cmake
new file mode 100644
index 000000000..1aea2d9df
--- /dev/null
+++ b/cmake/modules/PkgConfigGeneration.cmake
@@ -0,0 +1,18 @@
+#.rst:
+# PkgConfigGeneration
+# -------------------
+#
+# Generate the pkg-config file for libdispatch.
+#
+# The script generates a pkg-config file on non-Apple UNIX-like systems.
+#
+
+# Check if the system is UNIX-based and not Apple
+if(UNIX AND NOT APPLE)
+  # Configure the pkg-config file from the template
+  configure_file("${PROJECT_SOURCE_DIR}/cmake/libdispatch.pc.in"
+                 "${PROJECT_BINARY_DIR}/libdispatch.pc" @ONLY)
+
+  # Install the generated pkg-config file to the appropriate directory
+  install(FILES "${PROJECT_BINARY_DIR}/libdispatch.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+endif()

From 82e622baf036e53334bf15ed51a90031c1dd8189 Mon Sep 17 00:00:00 2001
From: hmelder <service@hugomelder.com>
Date: Fri, 24 Nov 2023 21:26:05 +0100
Subject: [PATCH 8/8] PkgConfigGeneration.cmake fix indentation

---
 cmake/modules/PkgConfigGeneration.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/modules/PkgConfigGeneration.cmake b/cmake/modules/PkgConfigGeneration.cmake
index 1aea2d9df..51b38b44d 100644
--- a/cmake/modules/PkgConfigGeneration.cmake
+++ b/cmake/modules/PkgConfigGeneration.cmake
@@ -12,7 +12,7 @@ if(UNIX AND NOT APPLE)
   # Configure the pkg-config file from the template
   configure_file("${PROJECT_SOURCE_DIR}/cmake/libdispatch.pc.in"
                  "${PROJECT_BINARY_DIR}/libdispatch.pc" @ONLY)
-
+  
   # Install the generated pkg-config file to the appropriate directory
   install(FILES "${PROJECT_BINARY_DIR}/libdispatch.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 endif()