vcpkg/ports/libaec/static-shared.patch

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index dea7574..2df037e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,3 +1,6 @@
+option(AEC_BUILD_SHARED "Enable build of shared library" ON)
+option(AEC_BUILD_STATIC "Enable build of static library" ON)
+
 # Main library aec
 add_library(aec OBJECT
   encode.c
@@ -15,14 +18,20 @@ target_include_directories(aec
 include(CheckCCompilerFlag)
 check_c_compiler_flag(-fvisibility=hidden COMPILER_HAS_HIDDEN_VISIBILITY)
 
+target_compile_definitions(aec PRIVATE LIBAEC_BUILD LIBAEC_SHARED)
+if(COMPILER_HAS_HIDDEN_VISIBILITY)
+  target_compile_definitions(aec PUBLIC HAVE_VISIBILITY)
+endif()
-# Create both static and shared aec library.
+if (AEC_BUILD_STATIC)
 add_library(aec_static STATIC "$<TARGET_OBJECTS:aec>")
 target_link_libraries(aec_static PUBLIC aec)
 set_target_properties(aec_static
   PROPERTIES
   OUTPUT_NAME $<IF:$<BOOL:${MSVC}>,aec-static,aec>)
 target_compile_definitions(aec_static PRIVATE LIBAEC_BUILD)
+endif()
 
+if (AEC_BUILD_SHARED)
 add_library(aec_shared SHARED "$<TARGET_OBJECTS:aec>")
 target_link_libraries(aec_shared PUBLIC aec)
 set_target_properties(aec_shared
@@ -29,22 +37,31 @@ set_target_properties(aec_shared
   PROPERTIES
   VERSION 0.1.3
   SOVERSION 0
-  OUTPUT_NAME aec
-  PUBLIC_HEADER ${CMAKE_CURRENT_BINARY_DIR}/../include/libaec.h)
-target_compile_definitions(aec_shared PRIVATE LIBAEC_BUILD LIBAEC_SHARED)
+  OUTPUT_NAME aec)
+target_compile_definitions(aec_shared PRIVATE LIBAEC_BUILD PUBLIC LIBAEC_SHARED)
+endif()
+
+set_target_properties(aec PROPERTIES PUBLIC_HEADER "${CMAKE_CURRENT_BINARY_DIR}/../include/libaec.h")
 
 # Wrapper for compatibility with szip
 add_library(sz OBJECT sz_compat.c)
 target_link_libraries(sz PUBLIC aec)
+target_compile_definitions(sz PRIVATE LIBAEC_BUILD LIBAEC_SHARED)
+if(COMPILER_HAS_HIDDEN_VISIBILITY)
+  target_compile_definitions(sz PUBLIC HAVE_VISIBILITY)
+endif()
 
 # Create both static and shared szip library.
+if (AEC_BUILD_STATIC)
 add_library(sz_static STATIC "$<TARGET_OBJECTS:sz>" "$<TARGET_OBJECTS:aec>")
 set_target_properties(sz_static
   PROPERTIES
   OUTPUT_NAME $<IF:$<BOOL:${MSVC}>,szip-static,sz>)
 target_link_libraries(sz_static PUBLIC sz)
 target_compile_definitions(sz_static PRIVATE LIBAEC_BUILD)
+endif()
 
+if (AEC_BUILD_SHARED)
 add_library(sz_shared SHARED "$<TARGET_OBJECTS:sz>" "$<TARGET_OBJECTS:aec>")
 target_link_libraries(sz_shared PUBLIC sz)
 set_target_properties(sz_shared
@@ -51,16 +69,11 @@ set_target_properties(sz_shared
   PROPERTIES
   VERSION 2.0.1
   SOVERSION 2
-  OUTPUT_NAME $<IF:$<BOOL:${MSVC}>,szip,sz>
-  PUBLIC_HEADER ../include/szlib.h)
-target_compile_definitions(sz_shared PRIVATE LIBAEC_BUILD LIBAEC_SHARED)
+  OUTPUT_NAME $<IF:$<BOOL:${MSVC}>,szip,sz>)
+target_compile_definitions(sz_shared PUBLIC LIBAEC_SHARED)
-
-if(COMPILER_HAS_HIDDEN_VISIBILITY)
-  target_compile_definitions(aec_static PUBLIC HAVE_VISIBILITY)
-  target_compile_definitions(aec_shared PUBLIC HAVE_VISIBILITY)
-  target_compile_definitions(sz_static PUBLIC HAVE_VISIBILITY)
-  target_compile_definitions(sz_shared PUBLIC HAVE_VISIBILITY)
-endif()
+endif()
+
+set_target_properties(sz PROPERTIES PUBLIC_HEADER "../include/szlib.h")
 
 # Simple executable for testing and benchmarking.
 add_executable(graec graec.c)
@@ -78,7 +93,16 @@ if(UNIX)
     DEPENDS graec utime)
 endif()
 
-install(TARGETS aec aec_static aec_shared sz sz_static sz_shared
+set(TARGETS_EXPORT)
+if (AEC_BUILD_STATIC)
+  set(TARGETS_EXPORT aec_static sz_static)
+endif()
+if (AEC_BUILD_SHARED)
+  set(TARGETS_EXPORT ${TARGETS_EXPORT} aec_shared sz_shared)
+endif()
+
+install(TARGETS aec sz ${TARGETS_EXPORT}
-        EXPORT ${PROJECT_NAME}Targets)
+        EXPORT ${PROJECT_NAME}Targets
+        PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
 install(