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cmake: locate or build `libvterm` dependency 

There is no version detection. If there is any vterm library, it is
used. If it is the wrong version, there will be an build error.
`libvterm.so.0.0.2` is preferred, which hopefully is compatible to
revision 740 or Ubuntu `libvterm0` version 0.1.2-2.

If no library is found, the correct one is downloaded and build.
Gentoo
Christian Burger 2022-04-13 13:10:55 +02:00
parent ef07c3ac06
commit 8e71512f12
4 changed files with 31 additions and 2 deletions
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8
CMakeLists.txt
View File

@ -1,3 +1,5 @@
# @author Christian Burger <christian@krikkel.de>
cmake_minimum_required(VERSION 3.16.3)
project(NCursesPtyWindow VERSION 0.1.0)
@ -6,15 +8,17 @@ set(CMAKE_CXX_STANDARD 17)
include(CTest)
enable_testing()
include(ExternalProject)
include("cmake/ncurses.cmake")
include("cmake/gsl.cmake")
add_library(NCursesPtyWindow NCursesPtyWindow.cpp SingleUserInput.cpp Debug.cpp)
### libraries
find_library(LIBVTERM_LIBRARY vterm)
include("cmake/libvterm.cmake")
find_library(UTIL_LIBRARY util)
add_library(NCursesPtyWindow NCursesPtyWindow.cpp SingleUserInput.cpp Debug.cpp)
target_link_libraries(NCursesPtyWindow ${CURSES_LIBRARIES} ${LIBVTERM_LIBRARY} ${UTIL_LIBRARY})
### threads

2
cmake/gsl.cmake
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@ -1,3 +1,5 @@
# @author Christian Burger <christian@krikkel.de>
find_path(GSL_INCLUDE_DIR "gsl")
if(GSL_INCLUDE_DIR STREQUAL "GSL_INCLUDE_DIR-NOTFOUND")
message(SEND_ERROR "Microsoft GSL not found.")

21
cmake/libvterm.cmake Normal file
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@ -0,0 +1,21 @@
# @author Christian Burger <christian@krikkel.de>
# @brief searches for libvterm and builds it if not found
#
# requires NCursesPtyWindow target; provides LIBVTERM_LIBRARY
find_library(LIBVTERM_LIBRARY NAMES libvterm.so.0.0.2 vterm)
if(LIBVTERM_LIBRARY STREQUAL "LIBVTERM_LIBRARY-NOTFOUND")
message(STATUS "libvterm not found — building it")
ExternalProject_Add(
libvtermProject
DOWNLOAD_COMMAND URL "https://launchpad.net/ubuntu/+archive/primary/+sourcefiles/libvterm/0.1.2-2/libvterm_0.1.2.orig.tar.gz"
CONFIGURE_COMMAND ""
BUILD_IN_SOURCE true
INSTALL_COMMAND ""
)
ExternalProject_Get_property(libvtermProject SOURCE_DIR)
set(LIBVTERM_LIBRARY "${SOURCE_DIR}/.libs/libvterm.a")
include_directories(SYSTEM "${SOURCE_DIR}/include")
add_dependencies(NCursesPtyWindow libvtermProject)
endif()

2
cmake/ncurses.cmake
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@ -1,3 +1,5 @@
# @author Christian Burger <christian@krikkel.de>
### ncurses
set(CURSES_NEED_NCURSES TRUE)
set(CURSES_NEED_WIDE TRUE)