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> Looking at that output, it only includes a single backslash in the command that should be run in cygwin bash:</div>
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> ../../../bin/x86_win32/clwrapper -gnuwin32 -c -O2 -FS -MD -EHs -GS -GR -Zi -nologo -D_OMNITHREAD_DLL -I. -I. -I../../../include -D__WIN32__ -D_WIN32_WINNT=0x0501 -D__x86__ -D__NT__ -D__OSVERSION__=4 -D_CRT_SECURE_NO_DEPRECATE=1 -Foshared/nt.o -Fdshared\ nt.cc</div>
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This log file was when I tested a single backslash.</div>
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In the initial test, it had 2:</div>
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2026-01-08T10:54:03.3000214Z ../../../../bin/x86_win32/clwrapper -gnuwin32 -c -O2 -FS -MD -EHs -GS -GR -Zi -nologo -I.. -I./.. -I../../../../include/omniORB4/internal -DUSE_omniORB_logStream -D_OMNIORB_LIBRARY -DOMNIORB_VERSION_STRING='"4.3.4"' -DOMNIORB_VERSION_HEX='0x040304f1'
-DCONFIG_DEFAULT_LOCATION='"C:\\OMNIORB.CFG"' -DCONFIG_ENV='"OMNIORB_CONFIG"' -D"NTArchitecture" -I. -I. -I../../../../include -D__WIN32__ -D_WIN32_WINNT=0x0501 -D__x86__ -D__NT__ -D__OSVERSION__=4 -D_CRT_SECURE_NO_DEPRECATE=1 -Foshared/anonObject.o -Fdshared\\
anonObject.cc<br>
2026-01-08T10:54:03.3633009Z cl : Command line error D8003 : missing source filename<br>
2026-01-08T10:54:03.3651582Z cl -c -O2 -FS -MD -EHs -GS -GR -Zi -nologo -I.. -I.\.. -I..\..\..\..\include\omniORB4\internal -DUSE_omniORB_logStream -D_OMNIORB_LIBRARY -DOMNIORB_VERSION_STRING=\"4.3.4\" -DOMNIORB_VERSION_HEX=0x040304f1 -DCONFIG_DEFAULT_LOCATION=\"C:\OMNIORB.CFG\"
-DCONFIG_ENV=\"OMNIORB_CONFIG\" -DNTArchitecture -I. -I. -I..\..\..\..\include -D__WIN32__ -D_WIN32_WINNT=0x0501 -D__x86__ -D__NT__ -D__OSVERSION__=4 -D_CRT_SECURE_NO_DEPRECATE=1 -Foshared\anonObject.o "-Fdshared anonObject.cc"</div>
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<div dir="ltr"><span style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">But as you can see '</span><span style="font-family: Menlo, Monaco, monospace; font-size: 12px; background-color: rgb(255, 255, 255);">-Fdshared\\
anonObject.cc’ was transformed to '"-Fdshared anonObject.cc”’ (between double quotes)</span></div>
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...</div>
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> I have no idea what conda-forge is doing, so I don't know what thing has damaged the backslashes. I do see that earlier on in the build log some patches are applied to some make files. What do those patches do?</div>
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The patch (<a href="https://github.com/conda-forge/omniorb-feedstock/blob/main/recipe/windows-build.patch" data-outlook-id="15b667ff-461f-466f-a408-bebbe0b1386e">https://github.com/conda-forge/omniorb-feedstock/blob/main/recipe/windows-build.patch</a>) is mainly
to:</div>
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<div dir="ltr" role="presentation">select the compiler</div>
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<div dir="ltr" role="presentation">Set the python path to the conda one</div>
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<div dir="ltr" role="presentation"><span style="font-size: 16px;">Replace "/manifest</span>”<span style="font-size: 16px;"> with “-manifest” because the first one didn’t work</span></div>
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I also had to patch PYSUBDIR on windows in this release: <span style="color: rgb(0, 0, 0);">
<a href="https://github.com/conda-forge/omniorb-feedstock/blob/main/recipe/fix-pysubdir-omniorb.patch" data-outlook-id="7ca7716d-4299-48ed-8976-c79feeb643cd">https://github.com/conda-forge/omniorb-feedstock/blob/main/recipe/fix-pysubdir-omniorb.patch</a></span></div>
<div dir="ltr"><span style="font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 16px;">It used to work, but now the shell was removing the single quotes and trying to run:
</span><span style="font-family: "Monaspace Neon", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace; font-size: 12px; color: rgb(31, 35, 40); background-color: rgb(255, 255, 255);">/d/bld/omniorb-suite_1767871648386/_h_env/python.exe
-c import sys; sys.stdout.write(sys.version[0] == "3" and "python3" or "python2")</span></div>
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<span style="background-color: rgb(255, 255, 255);">By the way, do you have plan to remove python 2 support?</span></div>
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<span style="background-color: rgb(255, 255, 255);">Or just keep it?</span></div>
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Benjamin</div>
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