Make libraw support build optional

Build in by default if libraw is found, but make it optional for builds
were it's not needed, like smtk2ssrf or subsurface-downloader.

Signed-off-by: Salvador Cuñat <salvador.cunat@gmail.com>

CMakeLists.txt

@@ -52,6 +52,7 @@ option(NO_USERMANUAL "don't include a viewer for the user manual" OFF)
 #Options regarding enabling parts of subsurface
 option(BTSUPPORT "enable support for QtBluetooth" ON)
 option(FTDISUPPORT "enable support for libftdi based serial" OFF)
+option(LIBRAW_SUPPORT "enable support for LibRaw images" ON)
 
 # Options regarding What should we build on subsurface
 option(MAKE_TESTS "Make the tests" ON)
@@ -169,10 +170,6 @@ if(NOT ANDROID)
 	pkg_config_library(LIBRAW libraw )
 endif()
 
-if(LIBRAW_FOUND)
-	add_definitions(-DLIBRAW_SUPPORT)
-endif()
-
 include_directories(.
 	${CMAKE_CURRENT_BINARY_DIR}
 	${CMAKE_BINARY_DIR}
@@ -300,6 +297,7 @@ elseif (SUBSURFACE_TARGET_EXECUTABLE MATCHES "DownloaderExecutable")
 		set(SUBSURFACE_TARGET subsurface-downloader)
 	endif()
 	set(BTSUPPORT ON)
+	set(LIBRAW_SUPPORT OFF)
 	add_definitions(-DSUBSURFACE_DOWNLOADER)
 	message(STATUS "building the embedded Subsurface-downloader app")
 endif()
@@ -363,6 +361,14 @@ if(BTSUPPORT)
 	add_definitions(-DBLE_SUPPORT)
 endif()
 
+if (LIBRAW_SUPPORT)
+	if(LIBRAW_FOUND)
+		add_definitions(-DLIBRAW_SUPPORT)
+	endif()
+else()
+	message(STATUS "building without built-in libraw support")
+endif()
+
 if(ANDROID)
 	# when building for Android, the toolchain file requires all cmake modules
 	# to be inside the CMAKE_FIND_ROOT_PATH - which prevents cmake from finding

scripts/smtk2ssrf-build.sh

@@ -148,6 +148,7 @@ cmake   -DBTSUPPORT=OFF \
 	-DNO_DOCS=ON \
 	-DNO_PRINTING=ON \
 	-DNO_USERMANUAL=ON \
+	-DLIBRAW_SUPPORT=OFF \
 	-DSUBSURFACE_TARGET_EXECUTABLE=DesktopExecutable \
 	build
 cd build || aborting "Couldn't cd into $SSRF_PATH/build directory"

smtk-import/CMakeLists.txt

@@ -34,8 +34,6 @@ pkg_config_library(GLIB2 glib-2.0 REQUIRED)
 pkg_config_library(LIBGIT2 libgit2 REQUIRED)
 pkg_config_library(LIBMDB libmdb REQUIRED)
 pkg_config_library(LIBDC libdivecomputer REQUIRED)
-pkg_config_library(LIBFTDI libftdi1 QUIET)
-pkg_config_library(LIBRAW libraw)
 
 find_package(Qt5 REQUIRED COMPONENTS Core
 				     Concurrent