From 4e022f99ed550bb08b5aacd38ccb96cfc4ba4be9 Mon Sep 17 00:00:00 2001
From: Ancher Herve <Herve.ANCHER@cea.fr>
Date: Thu, 19 Mar 2020 11:26:48 +0100
Subject: [PATCH 1/2] Manage export for static library under Windows

---
 blitz/blitz.h      | 30 +++++++++++++++---------------
 src/CMakeLists.txt |  4 ++++
 2 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/blitz/blitz.h b/blitz/blitz.h
index 3e714d29..a364c9d3 100644
--- a/blitz/blitz.h
+++ b/blitz/blitz.h
@@ -86,22 +86,22 @@ namespace blitz {
  using namespace std;
 #endif
 
-#ifdef _WIN32
-#ifdef BZ_GENERATE_GLOBAL_INSTANCES
-#define _bz_global __declspec(dllexport)
-#define BZ_GLOBAL_INIT(X)   =X
+#if defined(_WIN32) && !defined(BZ_STATIC_LIB)
+#  ifdef BZ_GENERATE_GLOBAL_INSTANCES
+#    define _bz_global __declspec(dllexport)
+#    define BZ_GLOBAL_INIT(X)   =X
+#  else
+#    define _bz_global __declspec(dllimport)
+#    define BZ_GLOBAL_INIT(X) 
+#  endif
 #else
-#define _bz_global __declspec(dllimport)
-#define BZ_GLOBAL_INIT(X) 
-#endif
-#else
-#ifdef BZ_GENERATE_GLOBAL_INSTANCES
- #define _bz_global
- #define BZ_GLOBAL_INIT(X)   =X
-#else
- #define _bz_global extern
- #define BZ_GLOBAL_INIT(X) 
-#endif
+#  ifdef BZ_GENERATE_GLOBAL_INSTANCES
+#    define _bz_global
+#    define BZ_GLOBAL_INIT(X)   =X
+#  else
+#    define _bz_global extern
+#    define BZ_GLOBAL_INIT(X) 
+#  endif
 #endif
 
 /* Define types for indexing, depending on whether 64- or 32-bit
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 62704458..d8631244 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -38,6 +38,10 @@ set_target_properties(blitz-static PROPERTIES
 					  ${BLITZ-STATIC-DEFS}
 					  CLEAN_DIRECT_OUTPUT 1)
 
+# Under Windows and MinGW, set BZ_STATIC_LIB flag
+if (WIN32 OR MINGW)
+	set_property(TARGET blitz-static PROPERTY COMPILE_FLAGS -DBZ_STATIC_LIB)
+endif()
 
 install(TARGETS ${BLITZ_LIBS}
         EXPORT  ${PROJECT_NAME}Targets

From 8916547a50d940ef81b9a758a54e1fa95727662c Mon Sep 17 00:00:00 2001
From: Ancher Herve <Herve.ANCHER@cea.fr>
Date: Thu, 19 Mar 2020 14:59:52 +0100
Subject: [PATCH 2/2] Manage static flag for pkg-config and CMake config files

---
 CMakeLists.txt              |  4 +++-
 cmake/CreatePkgConfig.cmake | 20 +++++++++++++++++---
 src/CMakeLists.txt          |  4 ++--
 3 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 621a39fe..d4ac2629 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,7 +61,8 @@ add_custom_target(lib DEPENDS blitz)
 
 #   Configuration files.
 
-CreatePkgConfigInfo(blitz)
+CreatePkgConfigInfo(blitz "")
+CreatePkgConfigInfo(blitz-static static)
 
 write_basic_package_version_file(
     cmake/${PROJECT_NAME}ConfigVersion.cmake
@@ -77,6 +78,7 @@ configure_package_config_file(
 install(EXPORT ${PROJECT_NAME}Targets DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)
 install(FILES
         ${CMAKE_BINARY_DIR}/blitz.pc
+		${CMAKE_BINARY_DIR}/blitz-static.pc 
         DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 install(FILES
         ${CMAKE_CURRENT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake
diff --git a/cmake/CreatePkgConfig.cmake b/cmake/CreatePkgConfig.cmake
index 799f97c8..4afc41eb 100644
--- a/cmake/CreatePkgConfig.cmake
+++ b/cmake/CreatePkgConfig.cmake
@@ -1,8 +1,22 @@
-function (CreatePkgConfigInfo filename)
+function (CreatePkgConfigInfo filename mode)
     set(template_filename ${filename}.pc.in)
     if (EXISTS ${CMAKE_SOURCE_DIR}/${template_filename})
         set(PKGCONFIG_TEMPLATE ${CMAKE_SOURCE_DIR}/${template_filename})
     else()
+        # Under MinGW, add stdc++ library
+        set(addlink)
+        if (MINGW)
+            set(addlink -lstdc++)
+        endif()
+        set(cflags)
+        set(static)
+        if ("${mode}" STREQUAL "static")
+            set(static -static)
+            # Under Windows and MinGW, add BZ_STATIC_LIB flag
+            if (WIN32 OR MINGW)
+                set(cflags -DBZ_STATIC_LIB)
+            endif()
+        endif()
         file(WRITE ${CMAKE_BINARY_DIR}/${template_filename} 
 "# generated by cmake. remove this line to disable regeneration
 prefix=@pkgconfig_prefix@
@@ -15,8 +29,8 @@ Name: @pkgconfig_package_name@
 Description: @pkgconfig_package_description@
 Version: @CPACK_PACKAGE_VERSION_MAJOR@.@CPACK_PACKAGE_VERSION_MINOR@.@CPACK_PACKAGE_VERSION_PATCH@
 Requires: @PACKAGE_REQUIRES@
-Libs: -L\${libdir} @PKGCONFIG_LIBS@
-Cflags: -I\${includedir} -I\${confdir} @CPPFLAGS@")
+Libs: -L\${libdir} ${static} @PKGCONFIG_LIBS@ ${addlink}
+Cflags: -I\${includedir} -I\${confdir} @CPPFLAGS@ ${cflags}")
         set(PKGCONFIG_TEMPLATE ${CMAKE_BINARY_DIR}/${template_filename})
     endif()
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d8631244..f8fd9cd2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -38,9 +38,9 @@ set_target_properties(blitz-static PROPERTIES
 					  ${BLITZ-STATIC-DEFS}
 					  CLEAN_DIRECT_OUTPUT 1)
 
-# Under Windows and MinGW, set BZ_STATIC_LIB flag
+# Under Windows and MinGW, set BZ_STATIC_LIB flag during compilation
 if (WIN32 OR MINGW)
-	set_property(TARGET blitz-static PROPERTY COMPILE_FLAGS -DBZ_STATIC_LIB)
+	target_compile_options(blitz-static PUBLIC -DBZ_STATIC_LIB)
 endif()
 
 install(TARGETS ${BLITZ_LIBS}