From 97bfa506db0839f0746246ca6c647fc9e3dd826d Mon Sep 17 00:00:00 2001
From: Simon Marchi <simon.marchi@polymtl.ca>
Date: Sat, 10 Sep 2016 16:48:50 -0400
Subject: [PATCH] Add pkg-config files to CMake build (#213)

This patch adds pkg-config files for libmosquitto and libmosquittopp,
and installs them through CMake.

Refs #107

Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca>
---
 CMakeLists.txt       | 12 ++++++++++++
 libmosquitto.pc.in   | 10 ++++++++++
 libmosquittopp.pc.in | 10 ++++++++++
 3 files changed, 32 insertions(+)
 create mode 100644 libmosquitto.pc.in
 create mode 100644 libmosquittopp.pc.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6fe8a001..cc40bad6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,7 @@ if (WIN32)
 	set (DATAROOTDIR share)
 	set (MANDIR man)
 	set (SHAREDEST .)
+	set (PKGCONFIGDIR "${LIBDIR}/pkgconfig")
 	add_definitions("-D_CRT_SECURE_NO_WARNINGS")
 	add_definitions("-D_CRT_NONSTDC_NO_DEPRECATE")
 else (WIN32)
@@ -49,6 +50,7 @@ else (WIN32)
 	set (DATAROOTDIR share)
 	set (MANDIR "${DATAROOTDIR}/man")
 	set (SHAREDIR "${DATAROOTDIR}/mosquitto")
+	set (PKGCONFIGDIR "${LIBDIR}/pkgconfig")
 endif (WIN32)
 
 option(WITH_TLS
@@ -98,6 +100,16 @@ endif (${DOCUMENTATION} STREQUAL ON)
 
 install(FILES mosquitto.conf aclfile.example pskfile.example pwfile.example DESTINATION "${SYSCONFDIR}")
 
+
+# ========================================
+# Install pkg-config files
+# ========================================
+
+configure_file(libmosquitto.pc.in libmosquitto.pc @ONLY)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libmosquitto.pc" DESTINATION "${PKGCONFIGDIR}")
+configure_file(libmosquittopp.pc.in libmosquittopp.pc @ONLY)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libmosquittopp.pc" DESTINATION "${PKGCONFIGDIR}")
+
 # ========================================
 # Testing
 # ========================================
diff --git a/libmosquitto.pc.in b/libmosquitto.pc.in
new file mode 100644
index 00000000..101a125f
--- /dev/null
+++ b/libmosquitto.pc.in
@@ -0,0 +1,10 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+includedir=${prefix}/include
+libdir=${exec_prefix}/lib
+
+Name: mosquitto
+Description: mosquitto MQTT library (C bindings)
+Version: @VERSION@
+Cflags: -I${includedir}
+Libs: -L${libdir} -lmosquitto
diff --git a/libmosquittopp.pc.in b/libmosquittopp.pc.in
new file mode 100644
index 00000000..6070f44f
--- /dev/null
+++ b/libmosquittopp.pc.in
@@ -0,0 +1,10 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+includedir=${prefix}/include
+libdir=${exec_prefix}/lib
+
+Name: mosquittopp
+Description: mosquitto MQTT library (C++ bindings)
+Version: @VERSION@
+Cflags: -I${includedir}
+Libs: -L${libdir} -lmosquittopp