From 9ce05e8aaf68e493a613a46beadc2cd22acb5903 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Tue, 9 Mar 2021 19:35:16 +0000
Subject: [PATCH] Add cmake file for cross compiling using DJGPP.

---
 setter/CMakeLists.txt           |  4 +--
 setter/src/dos/CMakeLists.txt   | 15 ++++++++++++
 setter/src/linux/CMakeLists.txt |  2 +-
 setter/src/unix/CMakeLists.txt  |  2 +-
 setter/toolchains/djgpp.cmake   | 43 +++++++++++++++++++++++++++++++++
 5 files changed, 62 insertions(+), 4 deletions(-)
 create mode 100644 setter/src/dos/CMakeLists.txt
 create mode 100644 setter/toolchains/djgpp.cmake

diff --git a/setter/CMakeLists.txt b/setter/CMakeLists.txt
index 1ef75a4..1a42865 100644
--- a/setter/CMakeLists.txt
+++ b/setter/CMakeLists.txt
@@ -1,12 +1,12 @@
 cmake_minimum_required(VERSION 2.20)
+
 project(setter C)
 
 set(CMAKE_C_STANDARD 90)
 
 add_subdirectory(src)
 
-message(${CMAKE_C_COMPILER_VERSION})
-
+add_subdirectory(src/dos)
 add_subdirectory(src/unix)
 add_subdirectory(src/linux)
 
diff --git a/setter/src/dos/CMakeLists.txt b/setter/src/dos/CMakeLists.txt
new file mode 100644
index 0000000..3873272
--- /dev/null
+++ b/setter/src/dos/CMakeLists.txt
@@ -0,0 +1,15 @@
+if(NOT DOS)
+    return()
+endif()
+
+project(fssetter-dos
+        DESCRIPTION "Filesystem test creator for DOS"
+        LANGUAGES C)
+
+set(PLATFORM_SOURCES attr.c deleted.c dirdepth.c filename.c files.c frag.c links.c os.c perms.c rsrcfork.c sparse.c time.c volume.c xattr.c)
+
+set(EXECUTABLE_NAME "fssetter")
+
+add_executable(${EXECUTABLE_NAME} ${PLATFORM_SOURCES})
+
+target_link_libraries(${EXECUTABLE_NAME} core)
\ No newline at end of file
diff --git a/setter/src/linux/CMakeLists.txt b/setter/src/linux/CMakeLists.txt
index c44c682..8935df6 100644
--- a/setter/src/linux/CMakeLists.txt
+++ b/setter/src/linux/CMakeLists.txt
@@ -1,4 +1,4 @@
-if(NOT "${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
+if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Linux")
     return()
 endif()
 
diff --git a/setter/src/unix/CMakeLists.txt b/setter/src/unix/CMakeLists.txt
index 7c8019b..26e0326 100644
--- a/setter/src/unix/CMakeLists.txt
+++ b/setter/src/unix/CMakeLists.txt
@@ -1,4 +1,4 @@
-if(NOT "${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
+if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Linux")
     return()
 endif()
 
diff --git a/setter/toolchains/djgpp.cmake b/setter/toolchains/djgpp.cmake
new file mode 100644
index 0000000..1f980de
--- /dev/null
+++ b/setter/toolchains/djgpp.cmake
@@ -0,0 +1,43 @@
+set(CMAKE_SYSTEM_NAME Generic)
+
+set(DOS 1)
+set(DJGPP 1)
+
+set(CMAKE_STATIC_LIBRARY_PREFIX "")
+set(CMAKE_STATIC_LIBRARY_SUFFIX ".lib")
+set(CMAKE_SHARED_LIBRARY_PREFIX "")
+set(CMAKE_SHARED_LIBRARY_SUFFIX ".dll")
+set(CMAKE_IMPORT_LIBRARY_PREFIX "")
+set(CMAKE_IMPORT_LIBRARY_SUFFIX ".lib")
+set(CMAKE_EXECUTABLE_SUFFIX ".exe")
+set(CMAKE_LINK_LIBRARY_SUFFIX ".lib")
+set(CMAKE_DL_LIBS "")
+
+set(CMAKE_FIND_LIBRARY_PREFIXES "")
+set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib")
+
+set(CMAKE_CROSSCOMPILING 1)
+set(CMAKE_CROSSCOMPILING_EMULATOR dosbox)
+
+# specify the cross compiler
+set(CMAKE_C_COMPILER i686-pc-msdosdjgpp-gcc)
+set(CMAKE_CXX_COMPILER i686-pc-msdosdjgpp-g++)
+
+# where is the target environment
+set(CMAKE_FIND_ROOT_PATH /usr/i686-pc-msdosdjgpp)
+
+# search for programs in the build host directories
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+# for libraries and headers in the target directories
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+# Make sure Qt can be detected by CMake
+set(QT_BINARY_DIR /usr/i686-pc-msdosdjgpp/bin /usr/bin)
+set(QT_INCLUDE_DIRS_NO_SYSTEM ON)
+
+# These are needed for compiling lapack (RHBZ #753906)
+set(CMAKE_Fortran_COMPILER i686-pc-msdosdjgpp-gfortran)
+set(CMAKE_AR:FILEPATH i686-pc-msdosdjgpp-ar)
+set(CMAKE_RANLIB:FILEPATH i686-pc-msdosdjgpp-ranlib)