Add static linking option through CMAKE and enable through docker ste…

…emit#1419

CMakeLists.txt

@@ -91,6 +91,13 @@ if( SKIP_BY_TX_ID )
    SET( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSKIP_BY_TX_ID" )
 endif()
 
+OPTION( STEEM_STATIC_BUILD "Build steemd as a static library (ON or OFF)" OFF )
+if( STEEM_STATIC_BUILD AND ( ( MSVC AND NOT MINGW ) OR APPLE ) )
+   MESSAGE( STATUS "Statuc build is not available on Windows or OS X" )
+   SET( STEEM_STATIC_BUILD OFF )
+endif()
+MESSAGE( STATUS "STEEM_STATIC_BUILD: ${STEEM_STATIC_BUILD}" )
+
 IF( WIN32 )
   SET(BOOST_ROOT $ENV{BOOST_ROOT})
   set(Boost_USE_MULTITHREADED ON)

Dockerfile

@@ -2,6 +2,9 @@ FROM phusion/baseimage:0.9.19
 
 #ARG STEEMD_BLOCKCHAIN=https://example.com/steemd-blockchain.tbz2
 
+ARG STEEM_STATIC_BUILD=OFF
+ENV STEEM_STATIC_BUILD ${STEEM_STATIC_BUILD}
+
 ENV LANG=en_US.UTF-8
 
 RUN \
@@ -94,6 +97,7 @@ RUN \
         -DCLEAR_VOTES=ON \
         -DSKIP_BY_TX_ID=ON \
         -DBUILD_STEEM_TESTNET=OFF \
+        -DSTEEM_STATIC_BUILD=${STEEM_STATIC_BUILD} \
         .. \
     && \
     make -j$(nproc) && \
@@ -116,6 +120,7 @@ RUN \
         -DCLEAR_VOTES=OFF \
         -DSKIP_BY_TX_ID=ON \
         -DBUILD_STEEM_TESTNET=OFF \
+        -DSTEEM_STATIC_BUILD=${STEEM_STATIC_BUILD} \
         .. \
     && \
     make -j$(nproc) && \

programs/cli_wallet/CMakeLists.txt

@@ -9,9 +9,15 @@ if( GPERFTOOLS_FOUND )
     list( APPEND PLATFORM_SPECIFIC_LIBS tcmalloc )
 endif()
 
-# I don't know why steemit_app is required twice in the following line, I just know the linker breaks if it isn't.
-target_link_libraries( cli_wallet
-                       PRIVATE steemit_app graphene_net steemit_chain steemit_protocol graphene_utilities steemit_wallet steemit_private_message steemit_app steemit_follow fc ${CMAKE_DL_LIBS} ${PLATFORM_SPECIFIC_LIBS} )
+if( STEEM_STATIC_BUILD )
+   # I don't know why steemit_app is required twice in the following line, I just know the linker breaks if it isn't.
+   target_link_libraries( cli_wallet PRIVATE
+                          "-static-libstdc++ -static-libgcc -lreadline"
+                          steemit_app graphene_net steemit_chain steemit_protocol graphene_utilities steemit_wallet steemit_private_message steemit_app steemit_follow fc ${CMAKE_DL_LIBS} ${PLATFORM_SPECIFIC_LIBS} )
+else( STEEM_STATIC_BUILD )
+   target_link_libraries( cli_wallet PRIVATE
+                          steemit_app graphene_net steemit_chain steemit_protocol graphene_utilities steemit_wallet steemit_private_message steemit_app steemit_follow fc ${CMAKE_DL_LIBS} ${PLATFORM_SPECIFIC_LIBS} )
+endif( STEEM_STATIC_BUILD )
 
 if(MSVC)
   set_source_files_properties( main.cpp PROPERTIES COMPILE_FLAGS "/bigobj" )

programs/steemd/CMakeLists.txt

@@ -9,18 +9,34 @@ if( GPERFTOOLS_FOUND )
     list( APPEND PLATFORM_SPECIFIC_LIBS tcmalloc )
 endif()
 
-target_link_libraries( steemd PRIVATE
-   steemit_plugins
-   steemit_mf_plugins
-   steemit_app
-   steemit_witness
-   steemit_account_history
-   steemit_chain
-   steemit_protocol
-   fc
-   ${CMAKE_DL_LIBS}
-   ${PLATFORM_SPECIFIC_LIBS}
-)
+if( STEEM_STATIC_BUILD )
+   target_link_libraries( steemd PRIVATE
+      "-static-libstdc++ -static-libgcc"
+      steemit_plugins
+      steemit_mf_plugins
+      steemit_app
+      steemit_witness
+      steemit_account_history
+      steemit_chain
+      steemit_protocol
+      fc
+      ${CMAKE_DL_LIBS}
+      ${PLATFORM_SPECIFIC_LIBS}
+   )
+else( STEEM_STATIC_BUILD )
+   target_link_libraries( steemd PRIVATE
+      steemit_plugins
+      steemit_mf_plugins
+      steemit_app
+      steemit_witness
+      steemit_account_history
+      steemit_chain
+      steemit_protocol
+      fc
+      ${CMAKE_DL_LIBS}
+      ${PLATFORM_SPECIFIC_LIBS}
+   )
+endif( STEEM_STATIC_BUILD )
 
 install( TARGETS
    steemd