From 45a18a61c633564311e51f5cbed2748e9cb70e2f Mon Sep 17 00:00:00 2001
From: gabime <gmelman1@gmail.com>
Date: Sun, 8 Sep 2019 00:42:23 +0300
Subject: [PATCH] CmakeLists.txt: Added version-number and debug suffixes +
 SPDLOG_BUILD_SHARED property

---
 CMakeLists.txt    | 19 +++++++++++++++----
 cmake/utils.cmake |  1 +
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index efe70ef66..bfdc8df7c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,6 +41,11 @@ if (NOT DEFINED SPDLOG_MASTER_PROJECT)
     endif()
 endif ()
 
+# build shared option
+if(NOT WIN32)
+    option(SPDLOG_BUILD_SHARED "Build shared library" OFF)
+endif()
+
 # example options
 option(SPDLOG_BUILD_EXAMPLE "Build example" ${SPDLOG_MASTER_PROJECT})
 option(SPDLOG_BUILD_EXAMPLE_HO "Build header only example" OFF)
@@ -81,11 +86,14 @@ set(SPDLOG_SRCS
         src/file_sinks.cpp
         src/async.cpp)
 
-if (BUILD_SHARED_LIBS AND WIN32)
-    message(WARNING "shared libs is not supported in spdlog - building static instead")
-    add_library(spdlog STATIC ${SPDLOG_SRCS} ${SPDLOG_ALL_HEADERS})
+
+if (SPDLOG_BUILD_SHARED)
+    if(WIN32)
+        message(FATAL_ERROR "spdlog shared lib is not yet supported under windows")
+    endif()
+    add_library(spdlog SHARED ${SPDLOG_SRCS} ${SPDLOG_ALL_HEADERS})
 else()
-    add_library(spdlog ${SPDLOG_SRCS} ${SPDLOG_ALL_HEADERS})
+    add_library(spdlog STATIC ${SPDLOG_SRCS} ${SPDLOG_ALL_HEADERS})
 endif()
 
 add_library(spdlog::spdlog ALIAS spdlog)
@@ -97,6 +105,9 @@ target_include_directories(spdlog PUBLIC
 target_link_libraries(spdlog PUBLIC Threads::Threads)
 spdlog_enable_warnings(spdlog)
 
+set_target_properties(spdlog PROPERTIES VERSION ${SPDLOG_VERSION} SOVERSION ${SPDLOG_VERSION_MAJOR})
+set_target_properties(spdlog PROPERTIES DEBUG_POSTFIX d)
+
 #---------------------------------------------------------------------------------------
 # Header only version
 #---------------------------------------------------------------------------------------
diff --git a/cmake/utils.cmake b/cmake/utils.cmake
index 2ef3cbe77..f7551f1c5 100644
--- a/cmake/utils.cmake
+++ b/cmake/utils.cmake
@@ -19,6 +19,7 @@ function(spdlog_extract_version)
 	endif()
 	set(ver_patch ${CMAKE_MATCH_1})
 
+    set(SPDLOG_VERSION_MAJOR ${ver_major} PARENT_SCOPE)
 	set (SPDLOG_VERSION "${ver_major}.${ver_minor}.${ver_patch}" PARENT_SCOPE)
 endfunction()