kNCurses/cmake/libvterm.cmake

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##
# @brief Includes `libvterm` (builds it if not found on the system).
#
# Provides ${LIBVTERM_LIBRARY} and implicitly adds path for correct
# `#include<>`.
#
# @warning dependency must be added like this:
# if(TARGET libvtermProject)
# add_dependencies(<targetDependingOn> libvtermProject)
# endif()
#
# @author Christian Burger <christian@krikkel.de>
find_library(LIBVTERM_LIBRARY NAMES "libvterm.so.0.0.2" "vterm")
find_path(LIBVTERM_INCLUDE "vterm.h")
if(NOT LIBVTERM_LIBRARY)
message(STATUS "Did not find `libvterm.so`.")
set(LIBVTERM_BUILD_IT TRUE)
endif()
if(NOT LIBVTERM_INCLUDE)
message(STATUS "Did not find `vterm.h`.")
set(LIBVTERM_BUILD_IT TRUE)
endif()
if(LIBVTERM_BUILD_IT)
include(ExternalProject)
message(STATUS "Did not find libvterm (see previous error) — building it.")
ExternalProject_Add(
libvtermProject
DOWNLOAD_COMMAND URL "https://launchpad.net/ubuntu/+archive/primary/+sourcefiles/libvterm/0.1.2-2/libvterm_0.1.2.orig.tar.gz"
CONFIGURE_COMMAND ""
BUILD_IN_SOURCE true
INSTALL_COMMAND ""
)
ExternalProject_Get_property(libvtermProject SOURCE_DIR)
set(LIBVTERM_LIBRARY "${SOURCE_DIR}/.libs/libvterm.a")
include_directories(SYSTEM "${SOURCE_DIR}/include")
else()
message(STATUS "Found vterm library.")
endif()