Error building LibreOffice on Windows (Cygwin)

[Ilmari Lauhakangas]

On 12.3.2022 19.12, Ahmed Abdelatty Mohamed Radalla wrote:
> Greetings,
> 
> I am trying to build LibreOffice on Windows using LODE. I installed the 
> prerequisites (MSVC & JDK) and then followed the instructions on the 
> wiki. When it was time to build, I got this error:
> 
> checking the dependency generation prefix (clang.exe -showIncludes)... 
> configure: error: cannot determine the -showIncludes prefix
> 
> Error running configure at ./autogen.sh line 322.
> 
> I couldn’t find the solution online, but I found this piece of code that 
> I assume is generating the error:
> 
> |AC_MSG_CHECKING([the dependency generation prefix (clang.exe 
> -showIncludes)])|
> 
> |            echo "#include <stdlib.h>" > conftest.c|
> 
> |            LO_CLANG_SHOWINCLUDES_PREFIX=`$LO_CLANG_CC $CFLAGS -c 
> -showIncludes conftest.c 2>/dev/null | \|
> 
> |                grep 'stdlib\.h' | head -n1 | sed 's/ [[[:alpha:]]]:.*//'`|
> 
> |            rm -f conftest.c conftest.obj|
> 
> |            if test -z "$LO_CLANG_SHOWINCLUDES_PREFIX"; then|
> 
> |                AC_MSG_ERROR([cannot determine the -showIncludes prefix])|
> 
> |            else|
> 
> |                AC_MSG_RESULT(["$LO_CLANG_SHOWINCLUDES_PREFIX"])|
> 
> |
> But I still don’t know what to do.|

Do you have C++ Clang Compiler for Windows installed in your Visual 
Studio components?

Ilmari