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Build Identifier: XDC 3.22.04.46 command line, no Eclipse involved. Attempting to run Module Primer/Lesson 9 from RTSC-pedia, but using Microsoft C/C++ 9 (as shipped with Visual Studio 2008) as a target. /* * ======== config.bld ======== */ var Build = xdc.useModule('xdc.bld.BuildEnvironment'); function unixPath(x) { return x.replace('\\','/'); } var Win32 = xdc.useModule('microsoft.targets.Win32'); var rootDir = java.lang.System.getenv("VSINSTALLDIR"); if (!rootDir) { raise(java.lang.RuntimeException("Must set %VSINSTALLDIR%\n")); } print("Configuring Microsoft Visual C++ 9 in " + rootDir); Win32.rootDir = unixPath(rootDir); var sdkPath = unixPath(java.lang.System.getenv("WindowsSdkDirShort")); print("Windows SDK in " + sdkPath + " (* mangled for TI tools)"); if (!sdkPath) { throw new java.lang.RuntimeException("Must set %WindowsSdkDirShort% to short path of SDK, see SetupSDKEnvironment.js\n"); } Win32.vcPath = [ ["Visual.C++.9", { compilerDir: "VC", dllPath: "Common7/IDE", sdkPath: sdkPath, libs: " msvcrt.lib setargv.obj oldnames.lib ole32.lib oleaut32.lib olepro32.lib uuid.lib kernel32.lib user32.lib gdi32.lib advapi32.lib shell32.lib comctl32.lib" } ], ]; Build.targets = [Win32]; Output: C:\Software\XDC_tutorial\msvc9_build\module_examples\acme\filters\test 09:57:10 > xdc test running FirTest1.exe ... xdc.runtime.HeapStd: line 68: assertion failure: HeapStd_alloc - requested alignment is greater than allowed xdc.runtime.Error.raise: terminating execution This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. gmake.exe[1]: *** [FirTest1.exe.test] Error 3 xdctools_3_22_04_46\gmake.exe: *** [FirTest1.exe.test] Error 2 NB. When building the same code with the MinGW toolchain this works fine. Is it possible that maxDefaultTypeAlign is not set correctly for the microsoft target? I could not find out where this is set. Reproducible: Always Steps to Reproduce: 1. Download module_examples from RTSC primer site, unpack. 2. Replace config.bld as above 3. Start a VS2008 command shell, ie. with all environment vars set 4. Set WindowsSdkDirShort to the short path of the platform SDK as per cdoc docs. (This is very irritating, BTW, as I couldn't find any way to convert long to short path inside XS, though it can be done easily in native langs with COM access) 5. Build acme/utils,acme/utils/filters with xdc all (works fine) and install in repo 6. cd to acme\filters\test and build with xdc all, this succeeds. 7. run with xdc test, fails as described.