I am trying to install and use pocketsphinx on ubuntu in c language but I keep getting this error
/Desktop/Programming/C/Tests$ gcc libraries.c -o libraries
libraries.c:2:26: fatal error: pocketsphinx.h: No such file or directory
#include <pocketsphinx.h>
^
compilation terminated.
I have followed the step required to install sphinxbase and pocketsphinx found here but I keep getting the error every time I compile my code. Is there something i missed?
How did you install pocketsphinx? and what do you mean by "installing"
To work with a library you first need to have the headers in place where your compiler can find them (for GCC for example by using the -I option) and then you need to have the library installed so your compiler can build against it.
Judging from the error you didn't specify the header files of the library to your compiler
You can add manually
First go to the includes folder
$ cd /usr/include
Then add the pocketsphinx.h manually
$ sudo ln -s /my/path/to/pocketsphinx.h
So then when you want to include pocketsphinx.h file, you can use:
#include <pocketsphinx.h>
Related
I’ve recently done a git clone of the wine repository at https://github.com/wine-mirror/wine and downloaded the folders to (~/repo/wine/). I'm trying to run Notepad, but don't know how. I am assuming that to build and compile it, I would need to run main.c from the notepad folder. I’m running GCC v 8.3.0 on Raspbian/Linux 10
With the repo downloaded as shown above, what build commands would I need to run notepad’s main.c from Geanie (or any, currently using Geanie) IDE? Can a single compile and/or build command let me run notepad from Geanie, or am I missing something?
Other details (not needed if what I thought I was going to do can't be done):
I wanted to try to run main.c at (~/repo/wine/programs/main.c), but don’t know how to get GCC to view all of the necessary header files. In my execution instructions window in Geanie, I have
gcc -Wall -c “%f” /home/pi/repo/wine/include
and my build instruction (it won't compile, so this isn't anything I've even gotten to work with yet...)
gcc -Wall -o “%e” “%f” /home/pi/repo/wine/include
When I attempt to compile, I get:
Stdio.h:11:10: fatal error: corecrt_wstdui.h: No such file or directory.
#include <corecrt_wstudio.h>
I went over to the stdio.h and attempted to add a build instruction here as well that also targets the include folder (which is the supposedly missing file), but it won’t compile.
Using cpp -v, I can see my include paths for GCC are as follows:
#include”...” paths:
#include<...> paths:
\usr\lib\gcc\arm-linux-gnueabihf\8\include
\usr\local\include
\usr\lib\gcc\arm-linux-gnueabihf\8\include-fixed
\usr\include\arm-linux-gnueabihf
\usr\include
I'm new to linux, and am trying to compile and install some libraries.
Unfortunately, things are quite difficult as I am unable to obtain sudo access to my machine, and had to install the libraries in non-standard locations.
I'm having trouble getting the compiler to find the libraries I installed.
One of the libraries (https://github.com/tpm2-software/tpm2-tss/blob/master/INSTALL.md) I'm trying to install has dependencies on the other libraries, and I am getting the following error code when trying to compile, and am unable to fix it.
src/tss2-esys/esys_crypto_ossl.c:11:10: fatal error: openssl/evp.h: No such file or directory
#include <openssl/evp.h>
compilation terminated.
make[1]: *** [Makefile:14063: src/tss2-fapi/api/libtss2_fapi_la-Fapi_AuthorizePolicy.lo] Error 1
In file included from ./src/tss2-fapi/fapi_int.h:11, from src/tss2-fapi/api/Fapi_ChangeAuth.c:18:
./src/tss2-fapi/ifapi_policy_instantiate.h:13:10: fatal error: json-c/json.h: No such file or directory
#include <json-c/json.h>
compilation terminated.
So far, I've been trying to compile it in bash using the following commands:
./bootstrap
export PKG_CONFIG_PATH=/home/me/test/lib/pkgconfig:$PKG_CONFIG_PATH
export LDFLAGS='-L../missing_libs -lssl -L../missing_libs -lz -L../missing_libs/json-c/.libs -ljson-c -L../missing_libs/curl-7.68.0/lib/.libs -lcurl -L../openssl-1.0.2 -lcrypto'
export CFLAGS='-I../missing_libs/curl-7.68.0/include/lib:../missing_libs/json-c:../missing_libs/openssl-1.0.2'
./configure --prefix=/home/me/test --with-udevrulesdir=/lib/udev --disable-doxygen-doc
make -j$(nproc)
The LDFLAGS are the folders that contain my .so and .a files, while the CFLAGS are the folders that contain my h files.
Can I check if anyone knows what I am not linking properly?
Thanks!
I found the problem. Apparently I was linking to the wrong place.
Since library was searching for , I should not link to the directory where json.h is, but the directory where json-c/json.h is.
So for my CFLAGS should be "-I../missing_libs" instead of "-I../missing_libs/json-c"
Thanks for the help Jonathan!
I am creating a C library which is to be built with cmake, using Mac OS for development. In the CMakeList.txt, I have the following
#htslib
find_package(htslib REQUIRED)
include_directories(${HTSLIB_INCLUDE_DIR})
target_link_libraries(projectname ${HTSlib_LIBRARIES})
which outputs upon cmake ..
Found hstlib
However, upon make, I'm getting linker errors:
clang: error: linker command failed with exit code 1 (use -v to see invocation)
So...it can find the library, and the library is definitely installed with sudo make install, but there are linking errors only with this library.
(1) I'm guessing that find_package(htslib REQUIRED) is finding something else. How do I find out what?
(2) How do I explicitly write in CMakeList.txt to find the library which I know has been installed correctly?
Use VERBOSE=1 make to see the linker output. Search for -lhtslib
Read the documentation for the specific Find<LIB>.cmake.
Your specific questions:
"How do I find what CMake found": Use cmake-gui or ccmake. They both show the same info, but one is a GUI and the other is a Curses interface. In the advanced mode ("t" on ccmake) you will find all the variables for the searched packages. Additionally, you may use MESSAGE(STATUS "Found htslib at: ${htslib_LIBRARIES}").
"How to explicitly write in CMakeLists.txt where the library is?" Please, do not do that! CMake is meant for abstracting exactly this kind of information away. You have two options, first the good one: configure cmake on the command line (or in the GUIs mentioned above) to get a CMAKE_MODULES_PATH or a more specific hint to the library -D htslib_PATH=/usr/local/.../ (pointing to the dir where libhts.dylib resides). The worse solution would be to provide a HINT to find_package. find_package(htslib REQUIRED PATH /usr/local/lib) or find_package(htslib REQUIRED HINT /usr/local/lib /some/second/path/where/it/may/be).
Solution
Your linked project has a custom FindHTSlib.cmake link. This one uses pkg_config to configure the library. To replicate your problem, I used brew to install htslib. The pkg-config file can be found (for me, but brew info htslib tells you) under /usr/local/Cellar/htslib/1.8/lib/htslib.pc. So, let's give CMake the required hint.
I couldn't test this, because for me it found the htslib package directly with no further hints.
git clone https://github.com/D-Lo/bamdb # I am using version f5f03d0
mkdir -p bamdb/build; cd bamdb/build
brew install ck htslib lmdb
cmake .. # -G Ninja recommended, but needs brew install ninja
make # lot's of missing symbols
I would recommend to change in CMakeLists.txt the minimum required version of CMake from 2.8 to 3.10 (or at least 3.6).
This is the error I get:
[ 62%] Linking C shared library libbamdb.dylib
/usr/local/Cellar/cmake/3.11.1/bin/cmake -E cmake_link_script CMakeFiles/libbamdb.dir/link.txt --verbose=1
/Library/Developer/CommandLineTools/usr/bin/cc -Wall -g -std=gnu99 -fPIC -dynamiclib -Wl,-headerpad_max_install_names -o libbamdb.dylib -install_name #rpath/libbamdb.dylib CMakeFiles/libbamdb.dir/src/bam_api.c.o CMakeFiles/libbamdb.dir/src/bam_lmdb.c.o CMakeFiles/libbamdb.dir/src/bamdb.c.o
Undefined symbols for architecture x86_64:
"_bam_destroy1", referenced from:
_get_bam_row in bam_api.c.o
_deserialize_func in bam_lmdb.c.o
This can be fixed by adding the following line in the CMakeLists.txt, after the line add_library(libbamdb ${SOURCES}):
target_link_libraries(libbamdb ${LIBS})
Some further notes: you now have a library with a main function. This is because ${SOURCES} is used to build the executable and the library. That can have unexpected side effects. Unless it's needed, don't do it.
I've installed
sudo apt-get install libbluetooth-dev
to have bluetooth package in my environment.
Hence, using the following command can successfully compile the bluetooth code using gcc.
gcc -o bt bt.c -lbluetooth
However, when I tried to use the cross-compiler to compile the source code
$CC -o bt2 bt.c -lbluetooth
I got the fatal error:
fatal error: bluetooth/bluetooth.h: No such file or directory
compilation terminated
Is there anything I've done wrong or I need to link this library to this cross-compiler ?
Thanks
I guess your cross compiler comes with a complete toolchain and SDK.
You must check that e.g. libBluetooth.so installed into your SDK under /usr/lib or /usr/local/lib folders and the correct header, as the one installed for i386/x64 platform, is present into SDK.
In case of the header and lib exist you must change your #include into your code to match the path into your SDK.
Resently I'm installed Opencv in my machine. Its working in python well(I just checked it by some eg programs). But due to the lack of tutorials in python I decided to move to c. I just run an Hello world program from http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/
while compiling I got the following error
hello-world.c:4:16: fatal error: cv.h: No such file or directory
compilation terminated.
I'm new in opencv
Qn : Could you please report what may be the problem - and how I run my helloworld program in c?
Your compiler cannot find your cv.h include file. If you installed from your package manager, it is probably in /usr/include/opencv/. You need to add that your include search path. If you are compiling from the command line use -I to specify additional include directories. It will be something like -
gcc -I /usr/include/opencv/ -o helloworld helloworld.c
If you are using Eclipse,
Right click on the project and select properties.
Select C/C++ General -> Path and Symbols.
Select Includes tab.
In Languages list, select 'GNU C' or 'GNU C++' depending on which you are using.
Press 'Add...' button and add /usr/include/opencv/
Save and rebuild.
You need to show compiler path to cv.h file. The quick way to find it is to do (on Ubuntu):
find /usr -name "cv.h"
/usr/local/include/opencv/cv.h
Just add this to the compiler:
gcc -I/usr/local/include/opencv -o helloworld helloworld.c
Since you asking this question your compiler might also have problems linking your program to opencv libraries. Just do the same thing only for library files:
find /usr -iname "libopencv*"
/usr/local/lib/libopencv_flann.so
...
add this folder the same way and specify libraries you want to use:
gcc helloworld.c -I/usr/local/include/opencv -L/usr/local/lib -lopencv_core -lopencv_imgproc -lopencv_highgui -o helloworld
that should probably compile. There is a also a short cut you can take and instead of all that steps just use the following command
gcc helloworld.c `pkg-config --cflags --libs opencv` -o helloworld
that should take care of all the work of locating required files for you and let you focus on the fun coding part.
maybe you just installed the opencv package.
But, as you want to use opencv in your C program, you may also install the package named just like opencv-devel. If you haven't, install it and than use it as #iagreen said.
Best wishes to you.