cmake: Install libsecp256k1.pc file

This change allows downstream projects to use pkg-config to search for the libsecp256k1 library that is built with CMake.
fanquake · Sep 7, 2023 · 9f005c6 · 9f005c6
1 parent b10ddd2
commit 9f005c6
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/cmake/GeneratePkgConfigFile.cmake b/cmake/GeneratePkgConfigFile.cmake
@@ -0,0 +1,8 @@
+function(generate_pkg_config_file in_file)
+  set(prefix ${CMAKE_INSTALL_PREFIX})
+  set(exec_prefix \${prefix})
+  set(libdir \${exec_prefix}/${CMAKE_INSTALL_LIBDIR})
+  set(includedir \${prefix}/${CMAKE_INSTALL_INCLUDEDIR})
+  set(PACKAGE_VERSION ${PROJECT_VERSION})
+  configure_file(${in_file} ${PROJECT_NAME}.pc @ONLY)
+endfunction()
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -161,5 +161,13 @@ if(SECP256K1_INSTALL)
       ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake
       ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
-)
+  )
+
+  include(GeneratePkgConfigFile)
+  generate_pkg_config_file(${PROJECT_SOURCE_DIR}/libsecp256k1.pc.in)
+  install(
+    FILES
+      ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+  )
 endif()