From 1b5473fbb94b8f632c638b8c13f33794cc00f17c Mon Sep 17 00:00:00 2001
From: Brad House <brad@brad-house.com>
Date: Wed, 7 Aug 2024 09:43:39 -0400
Subject: [PATCH] CMake pkg-config windows: fix static library options

pkg-config uses the .private suffix for static linking to c-ares,
set the libraries and cflags necessary for this.

Authored-By: Christoph Reiter (@lazka)
Approved-By: Brad House (@bradh352)
---
 CMakeLists.txt    | 11 +++++------
 libcares.pc.cmake |  7 ++++---
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d3f69075..948e7edb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -772,12 +772,11 @@ IF (CARES_INSTALL)
 	INSTALL (EXPORT ${PROJECT_NAME}-targets COMPONENT Devel DESTINATION ${CMAKECONFIG_INSTALL_DIR} NAMESPACE ${PROJECT_NAME}::)
 	INSTALL (FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake" COMPONENT Devel DESTINATION ${CMAKECONFIG_INSTALL_DIR})
 
-	# pkgconfig support
-	IF (NOT CARES_SHARED)
-		FOREACH (LIB ${CARES_DEPENDENT_LIBS})
-			SET (CARES_PRIVATE_LIBS "${CARES_PRIVATE_LIBS} -l${LIB}")
-		ENDFOREACH ()
-	ENDIF ()
+	# pkgconfig support for static builds
+	FOREACH (LIB ${CARES_DEPENDENT_LIBS})
+		SET (CARES_PRIVATE_LIBS "${CARES_PRIVATE_LIBS} -l${LIB}")
+	ENDFOREACH ()
+
 	CONFIGURE_FILE("libcares.pc.cmake" "libcares.pc" @ONLY)
 	INSTALL (FILES "${CMAKE_CURRENT_BINARY_DIR}/libcares.pc" COMPONENT Devel DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 ENDIF ()
diff --git a/libcares.pc.cmake b/libcares.pc.cmake
index 74e4d0cf..257255d8 100644
--- a/libcares.pc.cmake
+++ b/libcares.pc.cmake
@@ -7,9 +7,9 @@
 # Copyright (C) The c-ares project and its contributors
 # SPDX-License-Identifier: MIT
 prefix=@CMAKE_INSTALL_PREFIX@
-exec_prefix=@CMAKE_INSTALL_FULL_BINDIR@
-libdir=@CMAKE_INSTALL_FULL_LIBDIR@
-includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
+exec_prefix=${prefix}/@CMAKE_INSTALL_BINDIR@
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
 
 Name: c-ares
 URL: https://c-ares.org/
@@ -18,5 +18,6 @@ Version: @CARES_VERSION@
 Requires: 
 Requires.private: 
 Cflags: -I${includedir}
+Cflags.private: -DCARES_STATICLIB
 Libs: -L${libdir} -lcares
 Libs.private: @CARES_PRIVATE_LIBS@