Updated cmake file, configurable data dir

CMakeLists.txt

@@ -30,7 +30,7 @@ endif()
 option(BUILD_SHARED_LIBS "Build a shared library instead of a static one" ON)
 set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 
-set(CMAKE_DEBUG_POSTFIX d)
+# set(CMAKE_DEBUG_POSTFIX d)
 
 if(MSVC)
     # make msvc standards compliant...
@@ -69,8 +69,16 @@ if(MSVC)
 	set(COFF_SPEC "--coff=${COFF_TYPE}")
 endif()
 
+if(LINUX)
+	# On Linux, install in the $HOME/.local folder by default
+	if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+		message(WARNING "The library and auxiliary files will be installed in $ENV{HOME}/.local")
+		set(CMAKE_INSTALL_PREFIX "$ENV{HOME}/.local" CACHE PATH "..." FORCE)
+	endif()
+endif()
+
 # Optionally use mrc to create resources
-find_program(MRC mrc HINTS "$ENV{LOCALAPPDATA}/mrc" "${CMAKE_INSTALL_PREFIX}/../mrc" "/usr/local/bin")
+find_program(MRC mrc HINTS "$ENV{LOCALAPPDATA}/mrc" "$ENV{HOME}/.local/bin" "${CMAKE_INSTALL_PREFIX}/../mrc" "/usr/local/bin")
 
 if(MRC)
 	option(USE_RSRC "Use mrc to create resources" ON)
@@ -159,6 +167,7 @@ set(project_headers
 )
 
 add_library(cifpp ${project_sources} ${project_headers})
+set_target_properties(cifpp PROPERTIES POSITION_INDEPENDENT_CODE ON)
 
 target_include_directories(cifpp
 	PUBLIC
@@ -215,7 +224,8 @@ add_compile_definitions(
 	# CACHE_DIR="${CMAKE_INSTALL_PREFIX}/${SHARE_INSTALL_DIR}"
 	DATA_DIR="${CMAKE_INSTALL_PREFIX}/${SHARE_INSTALL_DIR}" )
 
-generate_export_header(cifpp)
+generate_export_header(cifpp
+	EXPORT_FILE_NAME cif++/Cif++Export.hpp)
 
 # Install rules
 
@@ -226,9 +236,10 @@ install(TARGETS cifpp
 	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 	INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
-export(EXPORT cifppTargets
-	FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/cifppTargets.cmake"
+install(EXPORT cifppTargets
+	FILE "cifppTargets.cmake"
 	NAMESPACE cifpp::
+	DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/cifpp
 )
 
 install(
@@ -238,7 +249,7 @@ install(
 )
 
 install(
-	FILES "${CMAKE_CURRENT_BINARY_DIR}/cifpp_export.h"
+	FILES "${CMAKE_CURRENT_BINARY_DIR}/cif++/Cif++Export.hpp"
 	DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/cif++
 	COMPONENT Devel
 )
@@ -338,4 +349,4 @@ if(CIFPP_BUILD_TESTS)
 endif()
 
 
-message("Still to do: libcifpp.pc, package, tools, create symop_Data")
\ No newline at end of file
+message("Still to do: libcifpp.pc, package, tools, create symop_Data")

include/cif++/CifUtils.hpp

@@ -45,7 +45,7 @@
 #include <unistd.h>
 #endif
 
-#include "cifpp_export.h"
+#include "cif++/Cif++Export.hpp"
 
 #if _MSC_VER
 #	pragma warning (disable : 4355)	// this is used in Base Initializer list
@@ -221,7 +221,6 @@ class Progress
 
 std::unique_ptr<std::istream> loadResource(std::filesystem::path name);
 void addFileResource(const std::string &name, std::filesystem::path dataFile);
+void addDataDirectory(std::filesystem::path dataDir);
 
 }
-
-

src/CifUtils.cpp

@@ -1227,6 +1227,14 @@ namespace cif
 // --------------------------------------------------------------------
 
 std::map<std::string,std::filesystem::path> gLocalResources;
+std::filesystem::path gDataDir;
+
+void addDataDirectory(std::filesystem::path dataDir)
+{
+	if (VERBOSE and not fs::exists(dataDir))
+		std::cerr << "The specified data directory " << dataDir << " does not exist" << std::endl;
+	gDataDir = dataDir;
+}
 
 void addFileResource(const std::string &name, std::filesystem::path dataFile)
 {
@@ -1246,6 +1254,9 @@ std::unique_ptr<std::istream> loadResource(std::filesystem::path name)
 			result.reset(file.release());
 	}
 
+	if (not result and not fs::exists(p) and not gDataDir.empty())
+		p = gDataDir / name;
+
 #if defined(CACHE_DIR)
 	if (not result and not fs::exists(p))
 	{