From 2dc0c7e4a3fa7ecc92ee5e22f1d8ee48c2b333a8 Mon Sep 17 00:00:00 2001
From: Thomas Lee <debian@tomlee.co>
Date: Sun, 4 Nov 2018 22:59:09 +0000
Subject: [PATCH] CMake configuration for hiredis

Last-Update: 2018-09-26

Upstream-Status: Backport [Ubuntu 20.04]
---
 HiredisConfig.cmake.in        |  5 +++++
 HiredisConfigVersion.cmake.in | 22 ++++++++++++++++++++++
 Makefile                      | 17 ++++++++++++++++-
 3 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 HiredisConfig.cmake.in
 create mode 100644 HiredisConfigVersion.cmake.in

diff --git a/HiredisConfig.cmake.in b/HiredisConfig.cmake.in
new file mode 100644
index 0000000..2cce290
--- /dev/null
+++ b/HiredisConfig.cmake.in
@@ -0,0 +1,5 @@
+find_path(HIREDIS_INCLUDE_DIRS hiredis/hiredis.h HINTS "/usr/include")
+find_library(HIREDIS_LIB_HIREDIS NAMES hiredis HINTS "/usr/lib")
+
+set(HIREDIS_LIBRARIES ${HIREDIS_LIB_HIREDIS})
+
diff --git a/HiredisConfigVersion.cmake.in b/HiredisConfigVersion.cmake.in
new file mode 100644
index 0000000..584144a
--- /dev/null
+++ b/HiredisConfigVersion.cmake.in
@@ -0,0 +1,22 @@
+set(PACKAGE_VERSION "@HIREDIS_VERSION@")
+
+string(REPLACE "." ";" HIREDIS_VERSION_COMPONENTS ${PACKAGE_VERSION})
+string(REPLACE "." ";" REQUESTED_VERSION_COMPONENTS ${PACKAGE_FIND_VERSION})
+
+list(GET HIREDIS_VERSION_COMPONENTS 0 HIREDIS_VERSION_MAJOR)
+list(GET HIREDIS_VERSION_COMPONENTS 1 HIREDIS_VERSION_MINOR)
+
+list(GET REQUESTED_VERSION_COMPONENTS 0 REQUESTED_VERSION_MAJOR)
+list(GET REQUESTED_VERSION_COMPONENTS 1 REQUESTED_VERSION_MINOR)
+
+if(("${HIREDIS_VERSION_MAJOR}" EQUAL "${REQUESTED_VERSION_MAJOR}") AND
+    (("${HIREDIS_VERSION_MINOR}" EQUAL "${REQUESTED_VERSION_MINOR}") OR
+     ("${HIREDIS_VERSION_MINOR}" GREATER "${REQUESTED_VERSION_MINOR}")))
+    set(PACKAGE_VERSION_COMPATIBLE TRUE)
+    if("${PACKAGE_VERSION}" VERSION_EQUAL "${PACKAGE_FIND_VERSION}")
+        set(PACKAGE_VERSION_EXACT TRUE)
+    endif()
+else()
+    set(PACKAGE_VERSION_COMPATIBLE FALSE)
+endif()
+
diff --git a/Makefile b/Makefile
index 339727f..43704cd 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,8 @@ EXAMPLES=hiredis-example hiredis-example-libevent hiredis-example-libev hiredis-
 TESTS=hiredis-test
 LIBNAME=libhiredis
 PKGCONFNAME=hiredis.pc
+CMAKECONFNAME=HiredisConfig.cmake
+CMAKEVERSNAME=HiredisConfigVersion.cmake
 
 HIREDIS_MAJOR=$(shell grep HIREDIS_MAJOR hiredis.h | awk '{print $$3}')
 HIREDIS_MINOR=$(shell grep HIREDIS_MINOR hiredis.h | awk '{print $$3}')
@@ -19,9 +21,11 @@ PREFIX?=/usr/local
 INCLUDE_PATH?=include/hiredis
 LIBRARY_PATH?=lib
 PKGCONF_PATH?=pkgconfig
+CMAKE_PATH?=cmake/Hiredis
 INSTALL_INCLUDE_PATH= $(DESTDIR)$(PREFIX)/$(INCLUDE_PATH)
 INSTALL_LIBRARY_PATH= $(DESTDIR)$(PREFIX)/$(LIBRARY_PATH)
 INSTALL_PKGCONF_PATH= $(INSTALL_LIBRARY_PATH)/$(PKGCONF_PATH)
+INSTALL_CMAKE_PATH= $(INSTALL_LIBRARY_PATH)/$(CMAKE_PATH)
 
 # redis-server configuration used for testing
 REDIS_PORT=56379
@@ -150,6 +154,7 @@ check: hiredis-test
 
 clean:
 	rm -rf $(DYLIBNAME) $(STLIBNAME) $(TESTS) $(PKGCONFNAME) examples/hiredis-example* *.o *.gcda *.gcno *.gcov
+	rm -f $(CMAKECONFNAME) $(CMAKEVERSNAME)
 
 dep:
 	$(CC) -MM *.c
@@ -169,7 +174,14 @@ $(PKGCONFNAME): hiredis.h
 	@echo Libs: -L\$${libdir} -lhiredis >> $@
 	@echo Cflags: -I\$${includedir} -D_FILE_OFFSET_BITS=64 >> $@
 
-install: $(DYLIBNAME) $(STLIBNAME) $(PKGCONFNAME)
+$(CMAKECONFNAME): $(CMAKECONFNAME).in
+	cp $(CMAKECONFNAME).in $(CMAKECONFNAME)
+
+$(CMAKEVERSNAME): $(CMAKEVERSNAME).in
+	sed -e "s,@HIREDIS_VERSION@,$(HIREDIS_MAJOR).$(HIREDIS_MINOR).$(HIREDIS_PATCH),g" \
+		$(CMAKEVERSNAME).in >$(CMAKEVERSNAME)
+
+install: $(DYLIBNAME) $(STLIBNAME) $(PKGCONFNAME) $(CMAKECONFNAME) $(CMAKEVERSNAME)
 	mkdir -p $(INSTALL_INCLUDE_PATH) $(INSTALL_INCLUDE_PATH)/adapters $(INSTALL_LIBRARY_PATH)
 	$(INSTALL) hiredis.h async.h read.h sds.h $(INSTALL_INCLUDE_PATH)
 	$(INSTALL) adapters/*.h $(INSTALL_INCLUDE_PATH)/adapters
@@ -178,6 +190,9 @@ install: $(DYLIBNAME) $(STLIBNAME) $(PKGCONFNAME)
 	$(INSTALL) $(STLIBNAME) $(INSTALL_LIBRARY_PATH)
 	mkdir -p $(INSTALL_PKGCONF_PATH)
 	$(INSTALL) $(PKGCONFNAME) $(INSTALL_PKGCONF_PATH)
+	mkdir -p $(INSTALL_CMAKE_PATH)
+	$(INSTALL) $(CMAKECONFNAME) $(INSTALL_CMAKE_PATH)
+	$(INSTALL) $(CMAKEVERSNAME) $(INSTALL_CMAKE_PATH)
 
 32bit:
 	@echo ""
-- 
2.27.0