scivision’s gists

scivision / CMakeLists.txt

Last active March 31, 2025 21:50

CMake file permissions for find_library, find_file, find_path

	cmake_minimum_required(VERSION 3.29)

	project(find_perm LANGUAGES NONE)

	set(noread_shared ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_SHARED_LIBRARY_PREFIX}noread_shared${CMAKE_SHARED_LIBRARY_SUFFIX})
	set(noread_static ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}noread_static${CMAKE_STATIC_LIBRARY_SUFFIX})

	# EXISTS requires read permissions
	# https://cmake.org/cmake/help/latest/command/if.html#exists
	# no read permissions means can't touch the file

scivision / CMakeLists.txt

Last active March 18, 2025 13:48

time_t Year 2038 test with CMake, including _TIME_BITS=64

	cmake_minimum_required(VERSION 3.20)

	project(lang LANGUAGES C)

	include(CheckSourceRuns)
	include(CheckTypeSize)

	check_type_size("time_t" TIME_T_SIZE)

	if(NOT TIME_T_SIZE GREATER_EQUAL 8)

scivision / BaslerPyPylon.py

Created March 10, 2025 20:25

PyPylon with Basler camera

	#!/usr/bin/env python3

	import pypylon
	from matplotlib.pyplot import figure,draw,pause
	#
	Nblock = 10 # TODO workaround for Basler too many frames error
	Nblocks = 100 # arbitrary number of frames to plot

	def connect(camdev,camind=0):

scivision / CMakeLists.txt

Last active February 11, 2025 19:08

MUMPS example via find_packge(MUMPS CONFIG)

	cmake_minimum_required(VERSION 3.19)

	project(MUMPS_example
	LANGUAGES C Fortran
	)

	enable_testing()

	file(GENERATE OUTPUT ${PROJECT_BINARY_DIR}/.gitignore CONTENT "*")

scivision / CMakeLists.txt

Last active February 5, 2025 14:51

Fix find_package(Curses) in CMake to work with a minimal example in C

	cmake_minimum_required(VERSION 3.18)

	project(CursesDemo LANGUAGES C)

	include(curses.cmake)

	add_executable(test_curses test_curses.c)
	target_link_libraries(test_curses PRIVATE Curses::Curses)

scivision / execute_process_win32.cmake

Created January 30, 2025 13:48

CMake execute_process on Windows with paths having spaces

	# Toy example--execute_process() on Windows is challenging to handle paths with spaces
	# Non-Winows sh -c just works.

	set(setvars "set CC=gcc")
	set(cmd "cc main.c")

	set(cmd $ENV{COMSPEC} /c "${setvars} && ${cmd}")

	string(REPLACE "C:/Program Files/" "C:/Progra~1/" cmd "$cmd}")
	string(REPLACE "C:/Program Files (x86)/" "C:/Progra~2/" cmd "${cmd}")

scivision / .gitignore

Last active January 27, 2025 14:35

Matlab buildtool MEX standalone example

.buildtool/

scivision / CMakeLists.txt

Last active January 10, 2025 01:21

nanosleep() for Visual Studio MSVC compiler on Windows

	cmake_minimum_required(VERSION 3.15)

	project(SleepDemo LANGUAGES C CXX)

	enable_testing()

	include(CheckSymbolExists)

	set(CMAKE_C_STANDARD 11)

scivision / CMakeLists.txt

Last active February 5, 2025 01:02

Identify if CPU is x86_64v3 capable

	cmake_minimum_required(VERSION 3.19...3.31)

	project(InstructionSet LANGUAGES CXX)

	set(CMAKE_CXX_SCAN_FOR_MODULES OFF)

	include(CheckIncludeFileCXX)

	set(CMAKE_CXX_STANDARD 11)

scivision / CMakeLists.txt

Last active November 18, 2024 10:35

CMake add_compile_option() SHELL: to allow spaces in options, including generator expressions. Useful for Intel oneAPI.

	cmake_minimum_required(VERSION 3.15)

	project(opt LANGUAGES Fortran)

	set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

	# https://www.intel.com/content/www/us/en/docs/fortran-compiler/developer-guide-reference/2024-2/warn.html
	# SHELL: allows using
	# * spaces in compiler options (especially important for Intel oneAPI
	# * repeated option prefix, that might otherwise get deduplicated incorrectly