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I am trying to install opencv on my raspberry pi 4 with raspian OS.
I am using this tutorial https://docs.opencv.org/3.4/d7/d9f/tutorial_linux_install.html and I have navigated to a build directory in my source directory /home/icetea/Desktop/working_dir/opencv/build
Then I execute this command:
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/home/icetea/Desktop/working_dir/opencv
I get this error:
CMake Error: The source directory "/home/icetea/Desktop/working_dir/opencv/build" does not appear to contain CMakeLists.txt
It thinks the build dir is the source dir. My source dir does 100% contain that .txt file, but my build dir is empty. I have tried executing this command while in the source dir and I get this error:
FATAL: In-source builds are not allowed. You should create a separate directory for build files
Anybody have any insight?
Thank you very much
Smitty
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I have a global variables file that i want to use in different subfolders. For that i put it in a folder called shared then i did a symlink in the other subfolders.
shared
.global_variables.tf
s3
.gloabl_variables -> shared/global_variables.tf
.main.tf
.output.tf
.variables.tf
I created the symlink using this command : ln -s shared/global_variables.tf s3/global_variables.tf
Now in the S3 folder if i run terraform init i'm getting this error :
Error: Failed to read file
The file "global_variables.tf" could not be read
It seems like terraform is not recognizing the symlink of the file.
How to solve that ?
Thanks
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Closed 7 years ago.
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I'm very new to cmake, and in my cmake script(3.12) it happens, that the following commands are executed fine under windows
add_library(${LIB_NAME} STATIC ${SOURCES})
install(TARGETS ${LIB_NAME} DESTINATION lib)
but under linux (mint 17.2) the install routine is skipped and the lib folder is empty after calling make.
Q: What has to be changed, that lib.a is copied to the lib folder.
EDIT:
The LIB_NAME is created as follow
SET(PROJECT_NAME_STR System)
SET(LIB_NAME "${PROJECT_NAME_STR}_s")
Might well be that you do not have write permissions in the install target folder. What's the value of the destination variable and how are your permissions for that target?
I solved the "problem" myself. And now is the moment where you can throw tomatoes at me.
I forgot to call make install.
Sorry.
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I tried to extract my file on the linux command line:
unzip myfile.zip
But this error occurred:
unzip: cannot find or open myfile.zip, myfile.zip.zip or myfile.zip.ZIP
unzip cannot find the file myfile.zip. Make sure the file exists in your current working directory. You can also try to provide an absolute path.
unzip -d /zip osTicket-v1.10.zip
/zip is a directory
osTicket-v1.10.zip = zip file
Make sure the folder was not partially transferred. I got this error due to an incomplete folder sftp. When I re-transferred it unzipped fine.
If your zip file contain space like "my file.zip" try to remove/replace space in my case i renamed "my_file.zip" and then the command (unzip my_file.zip) worked fine.
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I have a directory I am trying to zip on Linux before sending it to Windows.
I thought it worked with this command:
zip -r directory.zip directory
However when I looked at the directory it contained only the files, no folders.
It's as if the -j command is the default, which is confusing.
I looked in the manual and I could not see any means of forcing it to maintain the directory structure in the zip.
Any ideas?
It was an unzipping issue, not a zipping issue.
The unzip command required -d to maintain the directory structure.
wzunzip -d directory.zip
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I downloaded tbb40_233oss_lin.tgz file from http://threadingbuildingblocks.org/ver.php?fid=174
I set "TBBROOT" variable to the directory in my bash_proflie and I unzipped the tar file and navigated to the bin folder and run tbbvars.sh file
I typed
sh tbbvars.sh intel64
I was trying to run examples but it complains as shown bleow
count_strings.cpp:38:37: fatal error: tbb/concurrent_hash_map.h: No such file or directory
I tried to set up the library path manually and I typed
g++ file.cpp -o output -L/path/to/the/lib/-ltbb
but it still complains.
How do I compile the sample code on Ubuntu?
Thanks in advance.
I installed it from the Ubuntu repository, and it works without any problems.