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Re: How do I change the compiler for libssh to a cross-compiler?


Hi there 

I use MinGW to cross-compile for Windows on Linux.

I have a file 'file.cmake' in the root dir of the source tarball.

In the bulid dir I call cmake this way:

$> cmake -DCMAKE_TOOLCHAIN_FILE=../file.cmake -DWITH_EXAMPLES=OFF -DCMAKE_BUILD_TYPE=Debug -DOPENSSL_INCLUDE_DIR=/usr/local/include .. 

file.cmake has this content:

SET(CMAKE_SYSTEM_NAME Windows)
SET(COMPILER_PREFIX "i686-w64-mingw32")
SET(CMAKE_C_COMPILER /usr/bin/${COMPILER_PREFIX}-gcc-posix)
SET(CMAKE_CXX_COMPILER /usr/bin/${COMPILER_PREFIX}-g++-posix)
SET(CMAKE_RC_COMPILER /usr/bin/${COMPILER_PREFIX}-windres)
SET(CMAKE_RANLIB "/usr/bin/${COMPILER_PREFIX}-ranlib")
SET(CMAKE_FIND_ROOT_PATH /usr/${COMPILER_PREFIX} /usr/local/ssl /usr/local/${COMPILER_PREFIX})
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

Maybe this helps as a starting point.

Good luck
Till

July 18, 2025 12:18 AM, Carl.Mohre@xxxxxxxxxxxx (mailto:Carl.Mohre@xxxxxxxxxxxx) wrote:
	I only use Linux every 5th or 6th project – so I’m not very experienced with the more complex cmake files.

	I’m simply trying to change the compiler your build system uses to the cross-compiler I need for my Enclustra SOM development kit.

	Can you please help.

	Thank you.

	Carl L. Mohre II

	L5 Lead Electrical Engineer
AHM IRAD Software Systems & Embedded Software Engineer

	SPACE & AIRBORNE SYSTEMS / L3HARRIS TECHNOLOGIES

	t +1 321 727 5794 / m +1 321 288 5266

	L3Harris.com / Carl.Mohre@xxxxxxxxxxxx (mailto:Carl.Mohre@xxxxxxxxxxxx)

	2400 Palm Bay Rd NE / Palm Bay, FL 32905 / USA

	 (http://www.l3harris.com/) 
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