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authorBill Hoffman <bill.hoffman@kitware.com>2015-06-19 20:12:43 (GMT)
committerBrad King <brad.king@kitware.com>2015-07-06 15:11:02 (GMT)
commit8f86407cfd4331dc1f2eb67f4f179ed8fe9dea06 (patch)
tree8d6670fe80a98055f6302241bb7177ea7d22b77d /Source/cmcmd.cxx
parent069aa93b555293679f4b8c07623133ba62a74ee4 (diff)
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Windows: Optionally generate DLL module definition files automatically
Create target property WINDOWS_EXPORT_ALL_SYMBOLS to automatically generate a module definition file from MS-compatible .obj files and give it to the linker in order to export all symbols from the .dll part of a SHARED library.
Diffstat (limited to 'Source/cmcmd.cxx')
-rw-r--r--Source/cmcmd.cxx39
1 files changed, 39 insertions, 0 deletions
diff --git a/Source/cmcmd.cxx b/Source/cmcmd.cxx
index 3ea2186..63838b4 100644
--- a/Source/cmcmd.cxx
+++ b/Source/cmcmd.cxx
@@ -34,6 +34,10 @@
#include <time.h>
#include <stdlib.h> // required for atoi
+#if defined(_WIN32) && defined(CMAKE_BUILD_WITH_CMAKE)
+// defined in binexplib.cxx
+bool DumpFile(const char* filename, FILE *fout);
+#endif
void CMakeCommandUsage(const char* program)
{
@@ -211,6 +215,41 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& args)
return 0;
}
+#if defined(_WIN32) && defined(CMAKE_BUILD_WITH_CMAKE)
+ else if(args[1] == "__create_def")
+ {
+ if(args.size() < 4)
+ {
+ std::cerr <<
+ "__create_def Usage: -E __create_def outfile.def objlistfile\n";
+ return 1;
+ }
+ FILE* fout = cmsys::SystemTools::Fopen(args[2].c_str(), "w+");
+ if(!fout)
+ {
+ std::cerr << "could not open output .def file: " << args[2].c_str()
+ << "\n";
+ return 1;
+ }
+ cmsys::ifstream fin(args[3].c_str(),
+ std::ios::in | std::ios::binary);
+ if(!fin)
+ {
+ std::cerr << "could not open object list file: " << args[3].c_str()
+ << "\n";
+ return 1;
+ }
+ std::string objfile;
+ while(cmSystemTools::GetLineFromStream(fin, objfile))
+ {
+ if (!DumpFile(objfile.c_str(), fout))
+ {
+ return 1;
+ }
+ }
+ return 0;
+ }
+#endif
// run include what you use command and then run the compile
// command. This is an internal undocumented option and should
// only be used by CMake itself when running iwyu.