[tarantool-patches] [PATCH] static linking

[Konstantin Belyavskiy <k.belyavskiy@tarantool.org>]

PoC version with readline library and dependencies:
libcurses for Mac OS and libtinfo for Linux.
Usage:
  cmake . -DCMAKE_STATICBUILD=yes

Needed for #3445
---
Ticket: https://github.com/tarantool/tarantool/issues/3445
Branch: https://github.com/tarantool/tarantool/compare/kbelyavs/gh-3445-static-build
 cmake/FindCurses.cmake   | 34 ++++++++++++++++++++++++++++++++++
 cmake/FindReadline.cmake | 15 +++++++++++++++
 cmake/os.cmake           | 14 ++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 cmake/FindCurses.cmake

diff --git a/cmake/FindCurses.cmake b/cmake/FindCurses.cmake
new file mode 100644
index 000000000..7c8e667bf
--- /dev/null
+++ b/cmake/FindCurses.cmake
@@ -0,0 +1,34 @@
+# find Curses includes and library
+#
+# CURSES_FOUND
+# CURSES_LIBRARY
+# CURSES_INCLUDE_DIR
+
+if (CMAKE_STATICBUILD)
+  set(TMP ${CMAKE_FIND_LIBRARY_SUFFIXES})
+  set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
+endif()
+if (DEFINED CURSES_ROOT)
+  set(_FIND_OPTS NO_CMAKE NO_CMAKE_SYSTEM_PATH)
+  find_library(CURSES_LIBRARY
+    NAMES curses
+    HINTS ${CURSES_ROOT}/lib
+    ${_FIND_OPTS})
+  find_path(CURSES_INCLUDE_DIR
+    NAMES curses.h
+    HINTS ${CURSES_ROOT}/include ${_FIND_OPTS})
+else()
+  find_library(CURSES_LIBRARY NAMES curses)
+  find_path(CURSES_INCLUDE_DIR curses.h)
+endif()
+if (CMAKE_STATICBUILD)
+  set(CMAKE_FIND_LIBRARY_SUFFIXES ${TMP})
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Curses
+    REQUIRED_VARS CURSES_INCLUDE_DIR CURSES_LIBRARY)
+set(CURSES_INCLUDE_DIRS ${CURSES_INCLUDE_DIR})
+set(CURSES_LIBRARIES ${CURSES_LIBRARY})
+
+mark_as_advanced(CURSES_LIBRARIES CURSES_INCLUDE_DIRS)
diff --git a/cmake/FindReadline.cmake b/cmake/FindReadline.cmake
index 681a6f5de..93b4d3ac9 100644
--- a/cmake/FindReadline.cmake
+++ b/cmake/FindReadline.cmake
@@ -11,6 +11,13 @@ if(NOT CURSES_FOUND)
     find_package(Termcap)
 endif()
 
+if (CMAKE_STATICBUILD)
+  set(TMP ${CMAKE_FIND_LIBRARY_SUFFIXES})
+  set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
+  if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+    find_library(TINFO_LIBRARY NAMES tinfo)
+  endif()
+endif()
 if (DEFINED READLINE_ROOT)
   set(_FIND_OPTS NO_CMAKE NO_CMAKE_SYSTEM_PATH)
   find_library(READLINE_LIBRARY
@@ -24,6 +31,9 @@ else()
   find_library(READLINE_LIBRARY NAMES readline)
   find_path(READLINE_INCLUDE_DIR readline/readline.h)
 endif()
+if (CMAKE_STATICBUILD)
+  set(CMAKE_FIND_LIBRARY_SUFFIXES ${TMP})
+endif()
 
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(Readline
@@ -33,11 +43,16 @@ set(READLINE_LIBRARIES ${READLINE_LIBRARY})
 
 if(READLINE_FOUND)
   if(EXISTS ${READLINE_INCLUDE_DIR}/readline/rlconf.h)
+      if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+        set(CURSES_LIBRARIES ${CURSES_LIBRARIES} -ltinfo)
+      endif()
+      set(CMAKE_REQUIRED_LIBRARIES ${CURSES_LIBRARIES})
       check_library_exists(${READLINE_LIBRARY} rl_catch_sigwinch ""
           HAVE_GNU_READLINE)
       if(HAVE_GNU_READLINE)
           find_package_message(GNU_READLINE "Detected GNU Readline"
               "${HAVE_GNU_READLINE}")
+      unset(CMAKE_REQUIRED_LIBRARIES)
       endif()
   endif()
   if(CURSES_FOUND)
diff --git a/cmake/os.cmake b/cmake/os.cmake
index ea581108b..87bcf294b 100644
--- a/cmake/os.cmake
+++ b/cmake/os.cmake
@@ -80,6 +80,20 @@ elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
                             "Work isn't guarenteed using system readline")
         endif()
 
+        # Detecting LibCurses
+        execute_process(COMMAND ${HOMEBREW_EXECUTABLE} --prefix ncurses
+                        OUTPUT_VARIABLE HOMEBREW_CURSES
+                        OUTPUT_STRIP_TRAILING_WHITESPACE)
+        if(DEFINED HOMEBREW_CURSES)
+            if (NOT DEFINED CURSES_ROOT)
+                message(STATUS "Setting readline root to ${HOMEBREW_CURSES}")
+                set(CURSES_ROOT "${HOMEBREW_CURSES}")
+            endif()
+        elseif(NOT DEFINED ${CURSES_ROOT})
+            message(WARNING "Homebrew's curses isn't installed. "
+                            "Work isn't guarenteed using system curses")
+        endif()
+
         # Detecting OpenSSL
         execute_process(COMMAND ${HOMEBREW_EXECUTABLE} --prefix openssl
                         OUTPUT_VARIABLE HOMEBREW_OPENSSL
-- 
2.14.3 (Apple Git-98)