From ef7e06fac85121ae1c14b84095297a004526473b Mon Sep 17 00:00:00 2001
From: Lukas Spies <Lukas@photoqt.org>
Date: Wed, 10 Sep 2025 09:43:09 +0200
Subject: [PATCH 1/2] Make built library shared, add install instructions

---
 CMakeLists.txt | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 78feeac..73f4c0f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,7 +76,7 @@ endif()
 
 ### libsai
 add_library(
-	sai
+	sai SHARED
 	source/document.cpp
 	source/ifstream.cpp
 	source/ifstreambuf.cpp
@@ -142,4 +142,20 @@ if( MASTER_PROJECT )
 		PRIVATE
 		sai
 	)
-endif()
\ No newline at end of file
+
+	install(
+		TARGETS Thumbnail Decrypt Tree Document
+		DESTINATION bin/
+	)
+
+	install(
+		TARGETS sai
+		DESTINATION lib/
+	)
+
+	install(
+		FILES include/sai.hpp
+		DESTINATION include/
+	)
+
+endif()

From 274fe3708ab752c949984bd8f3dbec1b3b2b4517 Mon Sep 17 00:00:00 2001
From: Lukas Spies <Lukas@photoqt.org>
Date: Tue, 18 Nov 2025 14:55:01 +0100
Subject: [PATCH 2/2] Use option to build shared library on demand, don't
 install binaries, use GNUInstallDirs for install targets

---
 CMakeLists.txt | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73f4c0f..111601f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,11 @@ set( CMAKE_COLOR_MAKEFILE ON )
 set( CMAKE_VERBOSE_MAKEFILE ON )
 set( CMAKE_EXPORT_COMPILE_COMMANDS ON )
 
+option( BUILD_SHARED_LIBS "Build using shared libraries" OFF )
+
+# This provides standard installation directory variables.
+include(GNUInstallDirs)
+
 # Determine if we're built as a subproject (using add_subdirectory)
 # or if this is the master project.
 set( MASTER_PROJECT OFF )
@@ -76,7 +81,7 @@ endif()
 
 ### libsai
 add_library(
-	sai SHARED
+	sai
 	source/document.cpp
 	source/ifstream.cpp
 	source/ifstreambuf.cpp
@@ -143,19 +148,14 @@ if( MASTER_PROJECT )
 		sai
 	)
 
-	install(
-		TARGETS Thumbnail Decrypt Tree Document
-		DESTINATION bin/
-	)
-
 	install(
 		TARGETS sai
-		DESTINATION lib/
+		DESTINATION ${CMAKE_INSTALL_LIBDIR}
 	)
 
 	install(
 		FILES include/sai.hpp
-		DESTINATION include/
+		DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 	)
 
 endif()