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This file is part of MXE. See LICENSE.md for licensing information.

Contains ad hoc patches for cross building.

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Timothy Gu <timothygu99@gmail.com>
Date: Tue, 21 Oct 2014 18:24:56 -0700
Subject: [PATCH] build system: Detect POSIX regex lib more properly

Previously, if the regex lib has to be linked separately, as in the case
of MinGW/libgnurx, it is not detected properly, and build fails for shared
lib.

The imported FindRegex.cmake file is from
https://raw.githubusercontent.com/dubourg/openturns/master/cmake/FindRegex.cmake
and is licensed under the LGPL 3, same as this library.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1111111..2222222 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,15 +20,17 @@ SET(LENSFUN_DB_VERSION 1)
 
 # check if some include are available
 INCLUDE(CheckIncludeFiles)
-CHECK_INCLUDE_FILES(regex.h HAVE_REGEX_H)
+FIND_PACKAGE(Regex)
 CHECK_INCLUDE_FILES(endian.h HAVE_ENDIAN_H)
 
 # set include directories
 INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR})
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include/lensfun)
-IF(NOT HAVE_REGEX_H)
+IF(NOT REGEX_FOUND)
   INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include/regex)
   INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/libs/regex)
+ELSE()
+  INCLUDE_DIRECTORIES(${REGEX_INCLUDE_DIR})
 ENDIF()
 
 # options controlling the build process
@@ -148,7 +150,7 @@ ADD_SUBDIRECTORY(apps)
 
 # install include files
 INSTALL(FILES ${CMAKE_BINARY_DIR}/lensfun.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/lensfun)
-IF(NOT HAVE_REGEX_H)
+IF(NOT REGEX_FOUND)
   INSTALL(FILES include/regex/regex.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/regex)
 ENDIF()
 
diff --git a/cmake/modules/FindRegex.cmake b/cmake/modules/FindRegex.cmake
new file mode 100644
index 1111111..2222222
--- /dev/null
+++ b/cmake/modules/FindRegex.cmake
@@ -0,0 +1,64 @@
+#                                               -*- cmake -*-
+#
+#  FindRegex.cmake: Try to find Regex
+#
+#  Copyright (C) 2005-2014 Airbus-EDF-Phimeca
+#
+#  This library is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This library is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public
+#  along with this library.  If not, see <http://www.gnu.org/licenses/>.
+#
+#  @author dutka
+#  @date   2010-02-04 16:44:49 +0100 (Thu, 04 Feb 2010)
+#
+#
+# - Try to find Regex
+# Once done this will define
+#
+#  REGEX_FOUND - System has Regex
+#  REGEX_INCLUDE_DIR - The Regex include directory
+#  REGEX_LIBRARIES - The libraries needed to use Regex
+#  REGEX_DEFINITIONS - Compiler switches required for using Regex
+
+IF (REGEX_INCLUDE_DIR AND REGEX_LIBRARIES)
+   # in cache already
+   SET(Regex_FIND_QUIETLY TRUE)
+ENDIF (REGEX_INCLUDE_DIR AND REGEX_LIBRARIES)
+
+#IF (NOT WIN32)
+#   # use pkg-config to get the directories and then use these values
+#   # in the FIND_PATH() and FIND_LIBRARY() calls
+#   FIND_PACKAGE(PkgConfig)
+#   PKG_CHECK_MODULES(PC_REGEX regex)
+#   SET(REGEX_DEFINITIONS ${PC_REGEX_CFLAGS_OTHER})
+#ENDIF (NOT WIN32)
+
+FIND_PATH(REGEX_INCLUDE_DIR regex.h
+   HINTS
+   ${REGEX_INCLUDEDIR}
+   ${PC_LIBXML_INCLUDE_DIRS}
+   PATH_SUFFIXES regex
+   )
+
+FIND_LIBRARY(REGEX_LIBRARIES NAMES gnurx c regex
+   HINTS
+   ${PC_REGEX_LIBDIR}
+   ${PC_REGEX_LIBRARY_DIRS}
+   )
+
+INCLUDE(FindPackageHandleStandardArgs)
+
+# handle the QUIETLY and REQUIRED arguments and set REGEX_FOUND to TRUE if 
+# all listed variables are TRUE
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Regex DEFAULT_MSG REGEX_LIBRARIES REGEX_INCLUDE_DIR)
+
+MARK_AS_ADVANCED(REGEX_INCLUDE_DIR REGEX_LIBRARIES)
diff --git a/libs/CMakeLists.txt b/libs/CMakeLists.txt
index 1111111..2222222 100644
--- a/libs/CMakeLists.txt
+++ b/libs/CMakeLists.txt
@@ -1,4 +1,4 @@
-IF(NOT HAVE_REGEX_H)
+IF(NOT REGEX_FOUND)
   ADD_SUBDIRECTORY(regex)
 ENDIF()
 
diff --git a/libs/lensfun/CMakeLists.txt b/libs/lensfun/CMakeLists.txt
index 1111111..2222222 100644
--- a/libs/lensfun/CMakeLists.txt
+++ b/libs/lensfun/CMakeLists.txt
@@ -17,8 +17,10 @@ ELSE()
 ENDIF()
 SET_TARGET_PROPERTIES(lensfun PROPERTIES SOVERSION "${VERSION_API}" VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_MICRO}")
 
-IF(NOT HAVE_REGEX_H)
+IF(NOT REGEX_FOUND)
   TARGET_LINK_LIBRARIES(lensfun tre_regex)
+ELSE()
+  TARGET_LINK_LIBRARIES(lensfun ${REGEX_LIBRARIES})
 ENDIF()
 TARGET_LINK_LIBRARIES(lensfun ${GLIB2_LIBRARIES})
 
diff --git a/libs/lensfun/lensfun.pc.cmake b/libs/lensfun/lensfun.pc.cmake
index 1111111..2222222 100644
--- a/libs/lensfun/lensfun.pc.cmake
+++ b/libs/lensfun/lensfun.pc.cmake
@@ -10,4 +10,5 @@ Description: A photographic lens database and access library
 Version: @VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_MICRO@.@VERSION_BUGFIX@
 Requires.private: glib-2.0
 Libs: -L${libdir} -llensfun
+Libs.private: @REGEX_LIBRARIES@
 Cflags: -I${includedir} -I${includedir}/lensfun
diff --git a/libs/regex/CMakeLists.txt b/libs/regex/CMakeLists.txt
index 1111111..2222222 100644
--- a/libs/regex/CMakeLists.txt
+++ b/libs/regex/CMakeLists.txt
@@ -1,5 +1,5 @@
 # build regex library
-IF(NOT HAVE_REGEX_H)
+IF(NOT REGEX_FOUND)
 FILE(GLOB REGEX_SRC *.c *.h)
 LIST(APPEND REGEX_SRC ../../include/regex/regex.h)
 ADD_LIBRARY(tre_regex STATIC ${REGEX_SRC})

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Timothy Gu <timothygu99@gmail.com>
Date: Tue, 21 Oct 2014 18:36:15 -0700
Subject: [PATCH] Only install glib DLL on MSVC

Signed-off-by: Timothy Gu <timothygu99@gmail.com>

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1111111..2222222 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -164,7 +164,7 @@ IF(BUILD_DOC)
   ADD_SUBDIRECTORY(docs)
 ENDIF()
 
-IF(WIN32 AND NOT BUILD_STATIC)
+IF(MSVC AND NOT BUILD_STATIC)
   FIND_FILE(GLIB2_DLL 
             NAMES glib-2.dll glib-2-vs9.dll
             PATHS "${GLIB2_BASE_DIR}/bin"

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Timothy Gu <timothygu99@gmail.com>
Date: Tue, 21 Oct 2014 18:54:03 -0700
Subject: [PATCH] pkgconfig: Explicitly depend on libstdc++

Fixes MinGW static.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>

diff --git a/libs/lensfun/lensfun.pc.cmake b/libs/lensfun/lensfun.pc.cmake
index 1111111..2222222 100644
--- a/libs/lensfun/lensfun.pc.cmake
+++ b/libs/lensfun/lensfun.pc.cmake
@@ -10,5 +10,5 @@ Description: A photographic lens database and access library
 Version: @VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_MICRO@.@VERSION_BUGFIX@
 Requires.private: glib-2.0
 Libs: -L${libdir} -llensfun
-Libs.private: @REGEX_LIBRARIES@
+Libs.private: @REGEX_LIBRARIES@ -lstdc++
 Cflags: -I${includedir} -I${includedir}/lensfun