From f11bac05a56dceb209d62a56f7cc86d10e6d5035 Mon Sep 17 00:00:00 2001
From: sirko805 <sirko805@tlvm-4-2-4.ad.liu.se>
Date: Thu, 29 Sep 2022 14:48:28 +0200
Subject: [PATCH] cmake
---
build-system/CMakeLists.txt | 17 +++++++++++++++++
build-system/MainProgramConfig.h.in | 4 ++++
build-system/a | 1 +
build-system/b | 0
build-system/copyfile.c | 13 +++++++++++--
build-system/main.cpp | 13 +++++++++++--
6 files changed, 44 insertions(+), 4 deletions(-)
create mode 100644 build-system/MainProgramConfig.h.in
create mode 100644 build-system/a
create mode 100644 build-system/b
diff --git a/build-system/CMakeLists.txt b/build-system/CMakeLists.txt
index e69de29..85f8714 100644
--- a/build-system/CMakeLists.txt
+++ b/build-system/CMakeLists.txt
@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.10)
+
+# set the project name
+project(MainProgram)
+option(TRIG_FUNCTIONS "Use trig func" ON)
+set(IS_HOST_WINDOWS,ON)
+configure_file(MainProgramConfig.h.in MainProgramConfig.h)
+add_library(copyfile SHARED copyfile.c)
+if(${CMAKE_HOST_SYSTEM_NAME}!="Windows")
+set(IS_HOST_WINDOWS,OFF)
+endif()
+# add the executable
+add_executable(MainProgram main.cpp)
+target_link_libraries(MainProgram ${CMAKE_DL_LIBS} copyfile)
+target_include_directories(MainProgram PUBLIC
+ "${PROJECT_BINARY_DIR}"
+ )
\ No newline at end of file
diff --git a/build-system/MainProgramConfig.h.in b/build-system/MainProgramConfig.h.in
new file mode 100644
index 0000000..14bae43
--- /dev/null
+++ b/build-system/MainProgramConfig.h.in
@@ -0,0 +1,4 @@
+#define CopyFile_VERSION_MAJOR @CopyFile_VERSION_MAJOR@
+#define CopyFile_VERSION_MINOR @CopyFile_VERSION_MINOR@
+#cmakedefine TRIG_FUNCTIONS
+#cmakedefine IS_HOST_WINDOWS
\ No newline at end of file
diff --git a/build-system/a b/build-system/a
new file mode 100644
index 0000000..d35bea1
--- /dev/null
+++ b/build-system/a
@@ -0,0 +1 @@
+amongus
\ No newline at end of file
diff --git a/build-system/b b/build-system/b
new file mode 100644
index 0000000..e69de29
diff --git a/build-system/copyfile.c b/build-system/copyfile.c
index 3a26033..ad8dd5b 100644
--- a/build-system/copyfile.c
+++ b/build-system/copyfile.c
@@ -1,11 +1,20 @@
#include <stdio.h>
-
+#include <string.h>
+#include <dlfcn.h>
+#include "MainProgramConfig.h"
+#include <fcntl.h>
+#if !(IS_HOST_WINDOWS)
+#include <linux/fs.h>
+#include <sys/ioctl.h>
+#endif
+#include <errno.h>
void copy_files()
{
int dest_fd, src_fd;
+ printf("lib called\n");
src_fd = open("a", O_RDONLY);
dest_fd = open("b", O_WRONLY); /* Needs to exist; not checking this */
-#if 1
+#if !(IS_HOST_WINDOWS)
printf("Using FICLONE\n");
if (ioctl(dest_fd, FICLONE, src_fd) < 0) {
fprintf(stderr, "error: %s\n", strerror(errno));
diff --git a/build-system/main.cpp b/build-system/main.cpp
index b43c749..2f4f7b7 100644
--- a/build-system/main.cpp
+++ b/build-system/main.cpp
@@ -1,15 +1,24 @@
#include <stdio.h>
+#include <dlfcn.h>
+#include <math.h>
+#include "MainProgramConfig.h"
int main(int argc, char **argv)
{
+ void (*cpfileLib)();
/* Note: dlopen does not exist on Windows and the filename will not be .so.
* If you are performing the labs on Windows, you need to change this.
*/
void *ptr = dlopen("libcopyfile.so", RTLD_LAZY);
+ if (ptr != NULL) {
+ cpfileLib = (void(*)()) dlsym(ptr,"copy_files");
+ cpfileLib();
+ }
/* TODO: Call copy_files() from the opened shared object */
- { /* Disable this if --without-trig-functions or -DTRIG_FUNCTIONS:BOOL=OFF */
+ #ifdef TRIG_FUNCTIONS
+ /* Disable this if --without-trig-functions or -DTRIG_FUNCTIONS:BOOL=OFF */
double d = cos(1.5);
printf("The result of cos (a trigonometric function) is: %f\n", d);
- }
+ #endif
}
--
GitLab