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Rewrite FindReadline.cmake.

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GitOrigin-RevId: 972454175f186ce3a94d18f8853d44851466e71d
This commit is contained in:
levlam 2018-01-03 18:08:53 +03:00
parent 265ec40df5
commit 2e77980558
2 changed files with 23 additions and 27 deletions
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46
CMake/FindReadline.cmake
View File

@ -1,29 +1,25 @@
# from http://websvn.kde.org/trunk/KDE/kdeedu/cmake/modules/FindReadline.cmake
# http://websvn.kde.org/trunk/KDE/kdeedu/cmake/modules/COPYING-CMAKE-SCRIPTS
# --> BSD licensed
#
# GNU Readline library finder
if(READLINE_INCLUDE_DIR AND READLINE_LIBRARY)
set(READLINE_FOUND TRUE)
else(READLINE_INCLUDE_DIR AND READLINE_LIBRARY)
FIND_PATH(READLINE_INCLUDE_DIR readline/readline.h
/usr/include/readline
)
if (APPLE)
find_path(READLINE_INCLUDE_DIR readline/readline.h /usr/local/opt/readline/include /opt/local/include /opt/include /usr/local/include /usr/include NO_DEFAULT_PATH)
endif()
find_path(READLINE_INCLUDE_DIR readline/readline.h)
# 2008-04-22 The next clause used to read like this:
#
# FIND_LIBRARY(READLINE_LIBRARY NAMES readline)
# FIND_LIBRARY(NCURSES_LIBRARY NAMES ncurses )
# include(FindPackageHandleStandardArgs)
# FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG NCURSES_LIBRARY READLINE_INCLUDE_DIR READLINE_LIBRARY )
#
# I was advised to modify it such that it will find an ncurses library if
# required, but not if one was explicitly given, that is, it allows the
# default to be overridden. PH
if (APPLE)
find_library(READLINE_LIBRARY readline /usr/local/opt/readline/lib /opt/local/lib /opt/lib /usr/local/lib /usr/lib NO_DEFAULT_PATH)
endif()
find_library(READLINE_LIBRARY readline)
if (READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NOT GNU_READLINE_FOUND)
set(CMAKE_REQUIRED_INCLUDES "${READLINE_INCLUDE_DIR}")
set(CMAKE_REQUIRED_LIBRARIES "${READLINE_LIBRARY}")
include(CheckCXXSourceCompiles)
unset(GNU_READLINE_FOUND CACHE)
CHECK_CXX_SOURCE_COMPILES("#include <stdio.h>\n#include <readline/readline.h>\nint main() { rl_replace_line(\"\", 0); }" GNU_READLINE_FOUND)
if (NOT GNU_READLINE_FOUND)
unset(READLINE_INCLUDE_DIR CACHE)
unset(READLINE_LIBRARY CACHE)
endif()
endif()
FIND_LIBRARY(READLINE_LIBRARY NAMES readline)
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG READLINE_INCLUDE_DIR READLINE_LIBRARY)
MARK_AS_ADVANCED(READLINE_INCLUDE_DIR READLINE_LIBRARY)
endif(READLINE_INCLUDE_DIR AND READLINE_LIBRARY)
mark_as_advanced(READLINE_INCLUDE_DIR READLINE_LIBRARY)

2
README.md
View File

@ -100,7 +100,7 @@ example of such usage.
* Install the latest XCode command line tools.
* Install other dependencies, for example, using [Homebrew](https://brew.sh):
```
homebrew install gperf cmake openssl
brew install gperf cmake openssl
```
* After that you may need to manually specify path to the installed OpenSSL to CMake, e.g.,
```