I'm new at C and started to learn how to create GUI.
For some reason the only way program run is
gcc simple.c -o simple -lgtk-3 -lgdk-3 -latk-1.0 -lgio-2.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lcairo-gobject -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0 -pthread -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng12
If i just run gcc simple.cit gives me
In file included from /usr/include/glib-2.0/glib/galloca.h:32:0,
from /usr/include/glib-2.0/glib.h:30,
from /usr/include/glib-2.0/gobject/gbinding.h:28,
from /usr/include/glib-2.0/glib-object.h:23,
from /usr/include/glib-2.0/gio/gioenums.h:28,
from /usr/include/glib-2.0/gio/giotypes.h:28,
from /usr/include/glib-2.0/gio/gio.h:26,
from /usr/include/gtk-2.0/gdk/gdkapplaunchcontext.h:30,
from /usr/include/gtk-2.0/gdk/gdk.h:32,
from /usr/include/gtk-2.0/gtk/gtk.h:32,
from graphical.c:1:/usr/include/glib-2.0/glib/gtypes.h:32:24: fatal error: glibconfig.h: No such file or catalog compilation terminated.
If I do other 'traditional' ways to include lib:
gcc `pkg-config gtk+-2.0 --cflags` example.c -o example `pkg-config gtk+-2.0 --libs`
It gives me:
Package gtk+-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gtk+-2.0.pc' to the PKG_CONFIG_PATH environment variable
No package 'gtk+-2.0' found
graphical.c:1:21: fatal error: gtk/gtk.h: No such file or catalog
What is the right way to include GTK?
I just figured out what was the problem.
I had linuxbrew installed and for some reason pkg-config took path from one of it's repos even if I force it to export.
I completely removed linuxbrew and now it's finally working!
Related
im trying to compile a basic code with GTK3+ on Debian11 and i got the following error:
fatal error: gtk/gtk.h: No such file or directory
im using vs code and the autocomplete find the path to the file gtk.h but showme a include errors.
I compile with this command: gcc main.c -o main 'pkg-config --cflags --libs gtk+-3.0'
The output of pgk-config --cflags --libs gtk+-3.0:
:~/Code/GTK/gtkTutorial$ pkg-config --cflags --libs gtk+-3.0
-I/usr/include/gtk-3.0 -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/fribidi -I/usr/include/uuid -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/x86_64-linux-gnu -I/usr/include/gio-unix-2.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -pthread -lgtk-3 -lgdk-3 -lz -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0
I try to put the complete path in the #include </usr/include/gtk-3-0/gtk/gtk.h> and it give me the next include error for gdk.h file on the gtk.h file.
Both files (gtk.h and gtk.h) exist on my /usr/include/gtk-3.0/gtk/ and /usr/include/gtk-3.0/gdk/ directories.
The code i'm trying to compile is:
#include <gtk/gtk.h>
int main(int argc, char *argv[]) {
gtk_init(&argc, &argv);
// gtk code comes here
gtk_main();
return 0;
}
I don't understand what I'm doing wrong.
any idea, or someone with the same problem?
thanks.
I'm building a program which uses GTK+3 and pango. Most of it compiles fine apart from the last bit which builds the executable. The final command is:
gcc -o z80sim main.c -Wall -Iz80 -Igui obj/disas.o obj/iosim.o obj/sim0.o obj/sim1.o obj/sim2.o obj/sim3.o obj/sim4.o obj/sim5.o obj/sim6.o obj/sim7.o obj/simctl.o obj/simfun.o obj/simglb.o obj/simint.o obj/callbacks.o obj/code.o obj/guiglb.o obj/memory.o obj/flags.o obj/log.o obj/ports.o obj/registers.o `pkg-config --cflags --libs gtk+-3.0`
But I get this error message:
obj/sim1.o: In function `cpu':
sim1.c:(.text+0x2cb): undefined reference to `check_gui_break'
obj/callbacks.o: In function `on_open1_activate':
callbacks.c:(.text+0x20): undefined reference to `Get_File'
:
:
Where check_gui_break is defined and called in sim1.c etc.
This has to be something to do with the ordering of object files and libraries on the ld call, but I have tried putting the pkg-config part before and after the individual .o files and it still gives the same errors.
I've read the very informative https://eli.thegreenplace.net/2013/07/09/library-order-in-static-linking but, although I know a lot more now, I still can't crack this one.
BTW.
pkg-config --cflags --libs gtk+-3.0
gives
-pthread -I/usr/include/gtk-3.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/gtk-3.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0
Please will some kind soul take pity on me and enlighten me?
It appears that most of the errors I've encountered have been a result of the transition from Glade2 to Glade3. In 2, Glade generates some C code which is what's missing from my code. Back to the reference manual to see how to modernise the code.
This question seems to have been asked a zillion times, but unfortunately, none of the answers helped me.
I believe I have installed gtk correctly. My pkg-config environment seems okay. I'm not so sure of gcc.
I removed all the mingw and cygwin folders from my path environment, as I am only going to be using msys2 packages. So I have my path environment this way:-
GTK_LIB_DIR
C:\msys64\mingw64\lib
PKG_CONFIG_PATH
C:\msys64\mingw64\lib\pkgconfig
Path - C:\msys64\usr\bin;C:\msys64\mingw64\bin;%GTK_LIB_DIR%
The problem I am having is with compilation. Running this...
gcc pkg-config --cflags gtk+-3.0 -o gtkTest C:\dev\test_gtk3.c pkg-config --libs gtk+-3.0
I get...
cc: error: `pkg-config: No such file or directory
gcc: error: gtk+-3.0`: No such file or directory
gcc: error: `pkg-config: No such file or directory
gcc: error: gtk+-3.0`: No such file or directory
gcc: error: unrecognized command line option '--cflags'
gcc: error: unrecognized command line option '--libs'
I can run the following commands separately, with expected results. e.g.
pkg-config --cflags gtk+-3.0
pkg-config --libs gtk+-3.0
gcc -o gtkTest C:\dev\test_gtk3.c
Of course the last command returns an error, since gtk is not referenced.
I tried various combinations, some of my own. Some recommended, but one error persists, on pkg-config.
e.g.
C:\WINDOWS\system32>gcc -o gtkTest C:\dev\test_gtk3.c "pkg-config --cflags gtk+-3.0 pkg-config --libs gtk+-3.0"
gcc: error: pkg-config --cflags gtk+-3.0 pkg-config --libs gtk+-3.0: No such file or directory
The last answer I found says "If pkg-config reports that it couldn't find the package, then you didn't install the Gtk development package as offered by your Linux distribution."
I'm using Windows, but I think I installed gtk correctly, since I followed the instructions, and I get what seems to be the expected results (please correct me if I am mistaken).
C:\WINDOWS\system32>pkg-config --cflags gtk+-3.0
-pthread -mms-bitfields -I/mingw64/include/gtk-3.0 -I/mingw64/include/cairo -I/m
ingw64/include -I/mingw64/include/pango-1.0 -I/mingw64/include/fribidi -I/mingw6
4/include -I/mingw64/include/atk-1.0 -I/mingw64/include/cairo -I/mingw64/include
/pixman-1 -I/mingw64/include -I/mingw64/include/freetype2 -I/mingw64/include -I/
mingw64/include/harfbuzz -I/mingw64/include -I/mingw64/include/libpng16 -I/mingw
64/include/gdk-pixbuf-2.0 -I/mingw64/include -I/mingw64/lib/libffi-3.2.1/include
-I/mingw64/include/glib-2.0 -I/mingw64/lib/glib-2.0/include -I/mingw64/include
C:\WINDOWS\system32>pkg-config --libs gtk+-3.0
-L/mingw64/lib -L/mingw64/lib/../lib -L/mingw64/lib -lgtk-3 -lgdk-3 -lz -lgdi32
-limm32 -lshell32 -lole32 -Wl,-luuid -lwinmm -ldwmapi -lsetupapi -lcfgmgr32 -lep
oxy -lopengl32 -lgdi32 -lpangocairo-1.0 -lm -lgdi32 -lpangoft2-1.0 -lm -lpangowi
n32-1.0 -lm -lusp10 -lgdi32 -lpango-1.0 -lm -lfribidi -lthai -ldatrie -latk-1.0
-lcairo-gobject -lcairo -lz -lpixman-1 -lm -pthread -lfontconfig -liconv -lexpat
-lfreetype -lbz2 -lharfbuzz -lm -lusp10 -lgdi32 -lrpcrt4 -lgraphite2 -lpng16 -l
z -lgdk_pixbuf-2.0 -lm -lgio-2.0 -pthread -lintl -lshlwapi -ldnsapi -liphlpapi -
lws2_32 -lgmodule-2.0 -pthread -lintl -lz -lgobject-2.0 -pthread -lintl -lffi -l
glib-2.0 -lintl -lws2_32 -lole32 -lwinmm -lshlwapi -pthread -lm -lpcre
C:\WINDOWS\system32>gcc -o gtkTest C:\dev\test_gtk3.c | pkg-config --cflags --libs gtk+-3.0
-pthread -mms-bitfields -I/mingw64/include/gtk-3.0 -I/mingw64/include/cairo -I/m
ingw64/include -I/mingw64/include/pango-1.0 -I/mingw64/include/fribidi -I/mingw6
4/include -I/mingw64/include/atk-1.0 -I/mingw64/include/cairo -I/mingw64/include
/pixman-1 -I/mingw64/include -I/mingw64/include/freetype2 -I/mingw64/include -I/
mingw64/include/harfbuzz -I/mingw64/include -I/mingw64/include/libpng16 -I/mingw
64/include/gdk-pixbuf-2.0 -I/mingw64/include -I/mingw64/lib/libffi-3.2.1/include
-I/mingw64/include/glib-2.0 -I/mingw64/lib/glib-2.0/include -I/mingw64/include
-L/mingw64/lib -L/mingw64/lib/../lib -L/mingw64/lib -lgtk-3 -lgdk-3 -lz -lgdi32
-limm32 -lshell32 -lole32 -Wl,-luuid -lwinmm -ldwmapi -lsetupapi -lcfgmgr32 -lep
oxy -lopengl32 -lgdi32 -lpangocairo-1.0 -lm -lgdi32 -lpangoft2-1.0 -lm -lpangowi
n32-1.0 -lm -lusp10 -lgdi32 -lpango-1.0 -lm -lfribidi -lthai -ldatrie -latk-1.0
-lcairo-gobject -lcairo -lz -lpixman-1 -lm -pthread -lfontconfig -liconv -lexpat
-lfreetype -lbz2 -lharfbuzz -lm -lusp10 -lgdi32 -lrpcrt4 -lgraphite2 -lpng16 -l
z -lgdk_pixbuf-2.0 -lm -lgio-2.0 -pthread -lintl -lshlwapi -ldnsapi -liphlpapi -
lws2_32 -lgmodule-2.0 -pthread -lintl -lz -lgobject-2.0 -pthread -lintl -lffi -l
glib-2.0 -lintl -lws2_32 -lole32 -lwinmm -lshlwapi -pthread -lm -lpcre
C:\dev\test_gtk3.c:1:10: fatal error: gtk/gtk.h: No such file or directory
1 | #include <gtk/gtk.h>
| ^~~~~~~~~~~
compilation terminated.
Has anyone here struggled with this for hours, like I have, and finally got to understand what the problem is.
Please share your solution. Thank you.
Using this Installing gtk and compiling using gcc under windows? helped me get past the errors.
I used the following suggestion.
"Instead of a batch file, you may find more convenient to create an
user environmental variable and store the flags in there, that way you
will be able to compile from within a normal command prompt."
So I created two new environment variables (e.g. GTK_FLAGS_VARS; GTK_LIBS_VARS), and pasted the outputs in the variable values. Then in path place %GTK_FLAGS_VARS%;%GTK_LIBS_VARS%
Afterward gcc -o gtkTest C:\dev\test_gtk3.c %GTK_FLAGS_VARS% %GTK_LIBS_VARS%
If you execute vim --version, it will show some information about how it was compiled. On my system, it looks like this:
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK -pthread -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/libdrm -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -D_FORTIFY_SOURCE=2 -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong --param=ssp-buffer-size=4 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
Linking: gcc -L. -Wl,-O1,--sort-common,--as-needed,-z,relro -fstack-protector -rdynamic -Wl,-export-dynamic -Wl,-E -Wl,-rpath,/usr/lib/perl5/core_perl/CORE -Wl,-O1,--sort-common,--as-needed,-z,relro -L/usr/local/lib -Wl,--as-needed -o vim -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -latk-1.0 -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 -lfontconfig -lfreetype -lSM -lICE -lXt -lX11 -lXdmcp -lSM -lICE -lm -lncurses -lelf -lnsl -lacl -lattr -lgpm -ldl -L/usr/lib -llua -Wl,-E -Wl,-rpath,/usr/lib/perl5/core_perl/CORE -Wl,-O1,--sort-common,--as-needed,-z,relro -fstack-protector -L/usr/local/lib -L/usr/lib/perl5/core_perl/CORE -lperl -lnsl -ldl -lm -lcrypt -lutil -lpthread -lc -L/usr/lib/python2.7/config -lpython2.7 -lpthread -ldl -lutil -lm -Xlinker -export-dynamic -lruby -lpthread -lgmp -ldl -lcrypt -lm -L/usr/lib
```
I want to add similar information to the version output of an application that is built using CMake.
I know that there are variables like CMAKE_C_FLAGS, but it depends on other variables if these are actually used. For example, CMAKE_C_FLAGS_RELEASE is used if CMAKE_BUILD_TYPE=Release is specified. Thus it might be error-prone to try to piece this information together from individual CMake variables, and in the end you can't be sure that this is really what CMake uses to compile your sources.
Is there a way to get the actual command CMake uses to compile a source file, similar to the output from vim --version above?
moreover, CMAKE_C_FLAGS could vary for different source files, directories and targets… so your output can be far from accurate…
and using variables like CMAKE_BUILD_TYPE is pretty stable actually and may give you what you want:
string(TOUPPER "${CMAKE_BUILD_TYPE}" _type_upcase)
# Yeah! CMake can do double expand!
set(_cflags "${CMAKE_C_FLAGS_${_type_upcase}}")
little problem is: make sure CMAKE_BUILD_TYPE is set and valid before get the value!
advanced way:
one may use CMAKE_<lang>_COMPILE_OBJECT variable to get a "compile template". then use directory properties to collect COMPILE_DEFINITIONS and replace a pattern <DEFINES> in the template. then collect INCLUDE_DIRECTORIES and other options depending on build type.
You may look here for inspiration.
I am trying to compile a gtk program using the tutorial here. When I issue the command
gcc -o tut tut.c $(pkg-config --cflags --libs gtk+-2.0 gmodule-2.0)
I get the following error:
gcc: error: unrecognized command line option ‘-pthread -I/usr/include/gtk-2.0
-I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/atk-1.0
-I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0
-I/usr/include/gio-unix-2.0/ -I/usr/include/freetype2 -I/usr/include/glib-2.0
-I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/pixman-1
-I/usr/include/libpng12 -I/usr/include/harfbuzz -Wl,--export-dynamic -pthread
-lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 -lpangocairo-1.0
-lgdk_pixbuf-2.0 -lcairo -lpango-1.0 -lfontconfig -lgobject-2.0 -lfreetype
-lgmodule-2.0 -lglib-2.0 ’
gcc is version 4.8.2. pkg-config is version 0.26. i have libgtk2.0-dev installed.
I can compile simple c programs fine.
How do I resolve the "unrecognized command" problem?
[update from comment]
I am using zsh.
This looks like a shell issue.
What shell are you using?
In case it's not bash, give bash a try.