From 2fbf38ee918894a92f2f058c5551d81d34e215c9 Mon Sep 17 00:00:00 2001
From: TheCharlatan <seb.kung@gmail.com>
Date: Wed, 26 Sep 2018 00:36:34 +0200
Subject: [PATCH] Fix 32bit depends builds

Add architecture flags when cmake invokes gcc manually.
Add 32bit to Travis.
---
 .travis.yml                             |  2 ++
 contrib/depends/toolchain.cmake.in      |  4 ++++
 src/blockchain_utilities/CMakeLists.txt |  2 ++
 src/blocks/CMakeLists.txt               | 12 +++++++++---
 src/daemon/CMakeLists.txt               |  2 ++
 5 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 9368c3ff2..ca3a24ae8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,6 +26,8 @@ env:
     - HOST=arm-linux-gnueabihf PACKAGES="gperf g++-arm-linux-gnueabihf"
 # ARM v8
     - HOST=aarch64-linux-gnu PACKAGES="gperf g++-aarch64-linux-gnu"
+# i686 Win
+    - HOST=i686-w64-mingw32 PACKAGES="python3 nsis g++-mingw-w64-i686"
 # i686 Linux
     - HOST=i686-pc-linux-gnu PACKAGES="gperf cmake g++-multilib bc python3-zmq" RUN_TESTS=true
 # Win64
diff --git a/contrib/depends/toolchain.cmake.in b/contrib/depends/toolchain.cmake.in
index 375533557..bde7497b3 100644
--- a/contrib/depends/toolchain.cmake.in
+++ b/contrib/depends/toolchain.cmake.in
@@ -78,5 +78,9 @@ elseif(ARCHITECTURE STREQUAL "aarch64")
   set(BUILD_64 ON)
 endif()
 
+if(ARCHITECTURE STREQUAL "i686" AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  SET(LINUX_32 ON)
+endif()
+
 #Create a new global cmake flag that indicates building with depends
 set (DEPENDS true)
diff --git a/src/blockchain_utilities/CMakeLists.txt b/src/blockchain_utilities/CMakeLists.txt
index 37bca671f..ecd7b754c 100644
--- a/src/blockchain_utilities/CMakeLists.txt
+++ b/src/blockchain_utilities/CMakeLists.txt
@@ -32,6 +32,8 @@ if(PER_BLOCK_CHECKPOINT)
     add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && touch stub.c && ${CMAKE_C_COMPILER} --target=x86_64-apple-darwin11 -o stub.o -c stub.c COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} -r -sectcreate __DATA __blocks_dat ../blocks/checkpoints.dat -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o stub.o && rm -f stub.*)
   elseif(APPLE AND NOT DEPENDS)
     add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && touch stub.c && ${CMAKE_C_COMPILER} -o stub.o -c stub.c COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -sectcreate __DATA __blocks_dat ../blocks/checkpoints.dat -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o stub.o && rm -f stub.*)
+  elseif(LINUX_32)
+    add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && cp ../blocks/checkpoints.dat blocks.dat && ${CMAKE_LINKER} -m elf_i386 ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o blocks.dat && rm -f blocks.dat)
   else()
     add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && cp ../blocks/checkpoints.dat blocks.dat && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o blocks.dat && rm -f blocks.dat)
   endif()
diff --git a/src/blocks/CMakeLists.txt b/src/blocks/CMakeLists.txt
index cf3f0b354..ebb5408cc 100644
--- a/src/blocks/CMakeLists.txt
+++ b/src/blocks/CMakeLists.txt
@@ -30,9 +30,15 @@ if(APPLE)
     add_library(blocks STATIC blockexports.c)
     set_target_properties(blocks PROPERTIES LINKER_LANGUAGE C)
 else()
-    add_custom_command(OUTPUT blocks.o MAIN_DEPENDENCY blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/blocks.o blocks.dat)
-    add_custom_command(OUTPUT testnet_blocks.o MAIN_DEPENDENCY testnet_blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/testnet_blocks.o testnet_blocks.dat)
-    add_custom_command(OUTPUT stagenet_blocks.o MAIN_DEPENDENCY stagenet_blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/stagenet_blocks.o stagenet_blocks.dat)
+    if(LINUX_32)
+        add_custom_command(OUTPUT blocks.o MAIN_DEPENDENCY blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} -m elf_i386 ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/blocks.o blocks.dat)
+        add_custom_command(OUTPUT testnet_blocks.o MAIN_DEPENDENCY testnet_blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} -m elf_i386 ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/testnet_blocks.o testnet_blocks.dat)
+        add_custom_command(OUTPUT stagenet_blocks.o MAIN_DEPENDENCY stagenet_blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} -m elf_i386 ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/stagenet_blocks.o stagenet_blocks.dat)
+    else()
+        add_custom_command(OUTPUT blocks.o MAIN_DEPENDENCY blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/blocks.o blocks.dat)
+        add_custom_command(OUTPUT testnet_blocks.o MAIN_DEPENDENCY testnet_blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/testnet_blocks.o testnet_blocks.dat)
+        add_custom_command(OUTPUT stagenet_blocks.o MAIN_DEPENDENCY stagenet_blocks.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/stagenet_blocks.o stagenet_blocks.dat)
+    endif()
     add_library(blocks STATIC blocks.o testnet_blocks.o stagenet_blocks.o blockexports.c)
     set_target_properties(blocks PROPERTIES LINKER_LANGUAGE C)
 endif()
diff --git a/src/daemon/CMakeLists.txt b/src/daemon/CMakeLists.txt
index b1c4b711d..f645836a4 100644
--- a/src/daemon/CMakeLists.txt
+++ b/src/daemon/CMakeLists.txt
@@ -32,6 +32,8 @@ if(PER_BLOCK_CHECKPOINT)
     add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && touch stub.c && ${CMAKE_C_COMPILER} --target=x86_64-apple-darwin11 -o stub.o -c stub.c COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} -r -sectcreate __DATA __blocks_dat ../blocks/checkpoints.dat -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o stub.o && rm -f stub.*)
   elseif(APPLE AND NOT DEPENDS)
     add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && touch stub.c && ${CMAKE_C_COMPILER} -o stub.o -c stub.c COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -sectcreate __DATA __blocks_dat ../blocks/checkpoints.dat -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o stub.o && rm -f stub.*)
+  elseif(LINUX_32)
+    add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && cp ../blocks/checkpoints.dat blocks.dat && ${CMAKE_LINKER} -m elf_i386 ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o blocks.dat && rm -f blocks.dat)
   else()
     add_custom_command(OUTPUT blocksdat.o MAIN_DEPENDENCY ../blocks/checkpoints.dat COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && cp ../blocks/checkpoints.dat blocks.dat && ${CMAKE_LINKER} ${LD_RAW_FLAGS} -r -b binary -o ${CMAKE_CURRENT_BINARY_DIR}/blocksdat.o blocks.dat && rm -f blocks.dat)
   endif()