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Keep readline optional

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This commit is contained in:
Jethro Grassie 2018-01-11 00:50:41 -05:00
parent 35d5aa36c9
commit be1826c0fb
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GPG key ID: DE8ED755616565BB
5 changed files with 14 additions and 6 deletions
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12
cmake/FindReadline.cmake
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@ -15,8 +15,11 @@
#
# READLINE_FOUND System has readline, include and lib dirs found
# GNU_READLINE_FOUND Version of readline found is GNU readline, not libedit!
# LIBEDIT_FOUND Version of readline found is libedit, not GNU readline!
# Readline_INCLUDE_DIR The readline include directories.
# Readline_LIBRARY The readline library.
# GNU_READLINE_LIBRARY The GNU readline library or empty string.
# LIBEDIT_LIBRARY The libedit library or empty string.
find_path(Readline_ROOT_DIR
NAMES include/readline/readline.h
@ -63,7 +66,6 @@ check_function_exists(rl_copy_text HAVE_COPY_TEXT)
check_function_exists(rl_filename_completion_function HAVE_COMPLETION_FUNCTION)
if(NOT HAVE_COMPLETION_FUNCTION)
unset(READLINE_FOUND)
set(CMAKE_REQUIRED_LIBRARIES ${Readline_LIBRARY} ${Termcap_LIBRARY})
check_function_exists(rl_copy_text HAVE_COPY_TEXT_TC)
check_function_exists(rl_filename_completion_function HAVE_COMPLETION_FUNCTION_TC)
@ -74,8 +76,14 @@ if(NOT HAVE_COMPLETION_FUNCTION)
endif(HAVE_COMPLETION_FUNCTION)
endif(NOT HAVE_COMPLETION_FUNCTION)
set(LIBEDIT_LIBRARY "")
set(GNU_READLINE_LIBRARY "")
if(HAVE_COMPLETION_FUNCTION AND HAVE_COPY_TEXT)
set(GNU_READLINE_FOUND TRUE)
set(READLINE_FOUND TRUE)
set(GNU_READLINE_LIBRARY ${Readline_LIBRARY})
elseif(READLINE_FOUND AND NOT HAVE_COPY_TEXT)
set(LIBEDIT_FOUND TRUE)
set(LIBEDIT_LIBRARY ${Readline_LIBRARY})
endif(HAVE_COMPLETION_FUNCTION AND HAVE_COPY_TEXT)