Hi Alan!
>> Thorsten (or anybody else here) if you do have access to a D compiler
>> on Windows and want to look further into D language support on that
>> platform, I would encourage you to experiment with Windows-only
>> changes to our D language support files (using -DENABLE_d=ON), but
>> otherwise I don't think it is possible to figure out what changes are
>> needed in those files for the Windows case.
>
> I will give this a try today. According to the CMakeDInformation two
> compilers seem of interest, DMD and GDC. Because the erroneous linker
> flag is in the non-GDC branch, I will do my tests using DMD.
I installed DMD 2.065.0 and did the following tests using the latest
version of PLplot (Rev. 13100) with just one exception. This exception is
a change in FindwxWdigets.cmake. I removed the obviously unused libraries
winmm.lib and wsock32.lib
1) cmake -G "Visual Studio 10" <path-to-plplot-src>
This was just to test that D will not be enabled (due to -DENABLE_d=OFF
being the default setting) although it is installed on the system. This
build was fine. No tests have been installed, wxWidgets has been found and
all projects could be compiled with VS 10.
2) cmake -G "Visual Studio 10" -DENABLE_d=ON -DENABLE_wxwidgets=OFF
<path-to-plplot-src>
This was to test whether just D itself will be recognized. I disabled
wxWidgets here to suppress any might-be interference between D and
wxWidgets.
I wasn't able to complete this test. All the day I fiddled around with
CMake, but whatever I changed within
\cmake\modules\language_support\cmake\CMakeD*.cmake CMake never recognized
a working D compiler.
I have no problems compiling, linking and running any D example programs
from the net. Thus, D itself is correctly installed and working.
Whenever using CMake, however, it fails in
\cmake\modules\language_support.cmake when trying to compile a simple test
program. This test program is defined inline in CMakeTestDCompiler.cmake
(lines 24-25). Copying this into a file and compiling it directly from the
D command shell works like a charm. So, the test program itself is also OK.
CMake complains as follows:
---snip---
-- The C compiler identification is MSVC 16.0.40219.1
-- Check for working C compiler using: Visual Studio 10
-- Check for working C compiler using: Visual Studio 10 -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- CMAKE_GENERATOR = Visual Studio 10
-- D Compiler Install Prefix (use D_PATH env var to override):
F:/D/dmd2/windows
-- Check for working D compiler: F:/D/dmd2/windows/bin/dmd.exe
-- Check for working D compiler: F:/D/dmd2/windows/bin/dmd.exe -- broken
CMake Error at
I:/PLplot/PLplot-5.10.0/cmake/modules/language_support/cmake/CMakeTestDCompiler.cmake:52
(MESSAGE):
The D compiler "F:/D/dmd2/windows/bin/dmd.exe" is not able to compile a
simple test program.
It fails with the following output:
Change Dir: I:/PLplot/build/language_tests/D/CMakeFiles/CMakeTmp
Run Build
Command:C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
cmTryCompileExec2509696440.vcxproj /p:Configuration=Debug
/p:VisualStudioVersion=10.0
Microsoft (R)-Buildmodul, Version 4.0.30319.18408
[Microsoft .NET Framework, Version 4.0.30319.18444]
Copyright (C) Microsoft Corporation. Alle Rechte vorbehalten.
Der Buildvorgang wurde am 08.04.2014 16:51:37 gestartet.
Projekt
"I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\cmTryCompileExec2509696440.vcxproj"
auf Knoten "1" (Standardziele).
PrepareForBuild:
Das Verzeichnis "cmTryCompileExec2509696440.dir\Debug\" wird erstellt.
Das Verzeichnis
"I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\Debug\" wird
erstellt.
InitializeBuildStatus:
"cmTryCompileExec2509696440.dir\Debug\cmTryCompileExec2509696440.unsuccessfulbuild"
wird erstellt, da "AlwaysCreate" angegeben wurde.
ManifestResourceCompile:
C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\bin\rc.exe /nologo
/fo"cmTryCompileExec2509696440.dir\Debug\cmTryCompileExec2509696440.exe.embed.manifest.res"
cmTryCompileExec2509696440.dir\Debug\cmTryCompileExec2509696440_manifest.rc
Link:
F:\Microsoft Visual Studio 10.0\VC\bin\link.exe /ERRORREPORT:QUEUE
/OUT:"I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\Debug\cmTryCompileExec2509696440.exe"
/INCREMENTAL /NOLOGO /MANIFEST
/ManifestFile:"cmTryCompileExec2509696440.dir\Debug\cmTryCompileExec2509696440.exe.intermediate.manifest"
/MANIFESTUAC:"level='asInvoker' uiAccess='false'"
/PDB:"I:/PLplot/build/language_tests/D/CMakeFiles/CMakeTmp/Debug/cmTryCompileExec2509696440.pdb"
/SUBSYSTEM:CONSOLE /TLBID:1 /DYNAMICBASE /NXCOMPAT
/IMPLIB:"I:/PLplot/build/language_tests/D/CMakeFiles/CMakeTmp/Debug/cmTryCompileExec2509696440.lib"
/MACHINE:X86
cmTryCompileExec2509696440.dir\Debug\cmTryCompileExec2509696440.exe.embed.manifest.res
LINK : error LNK2001: Nicht aufgelöstes externes Symbol
"_mainCRTStartup".
[I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\cmTryCompileExec2509696440.vcxproj]
I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\Debug\cmTryCompileExec2509696440.exe
: fatal error LNK1120: 1 nicht aufgelöste externe Verweise.
[I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\cmTryCompileExec2509696440.vcxproj]
Die Erstellung des Projekts
"I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\cmTryCompileExec2509696440.vcxproj"
ist abgeschlossen (Standardziele) -- FEHLER.
Fehler beim Buildvorgang.
"I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\cmTryCompileExec2509696440.vcxproj"
(Standardziel) (1) ->
(Link Ziel) ->
LINK : error LNK2001: Nicht aufgelöstes externes Symbol
"_mainCRTStartup".
[I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\cmTryCompileExec2509696440.vcxproj]
I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\Debug\cmTryCompileExec2509696440.exe
: fatal error LNK1120: 1 nicht aufgelöste externe Verweise.
[I:\PLplot\build\language_tests\D\CMakeFiles\CMakeTmp\cmTryCompileExec2509696440.vcxproj]
0 Warnung(en)
2 Fehler
Verstrichene Zeit 00:00:00.69
CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
CMakeLists.txt:33 (enable_language)
---snap---
According to the CMake FAQ I should use the WIN32 argument to
ADD_EXECUTABLE. This, however, is not possible, as enable_language
generates its own CMake.txt file on the fly (that obviously contains some
ADD_EXECUTABLE line). I then tried to set several CMake variables (all I
found in CMake's online documentation that may have some influence on the
linker) just before the TRY_COMPILE in line 29 of
CMakeTestDCompiler.cmake, but all to no avail.
I noticed a similar error when trying to enable Fortran and Ada (but
normally I have these disabled - I wanted to try Ada at some later stage),
so this may be points to a general problem using other languages under
Windows and using Visual Studio generators.
Has anyone any ideas on this topic?
--
Best regards,
Thorsten
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