How to install libgraph-1.0.2/graphics.h on FW33?

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1

Hello,
I have followed the instructions here:
https://www.quora.com/How-can-I-install-the-graphics-h-header-file-on-Fedora-22

but in step 7. after “make” command I have recieved following errors:

Makefile:934: warning: overriding recipe for target 'libgraph.pc'
Makefile:409: warning: ignoring old recipe for target 'libgraph.pc'
make  all-recursive
make[1]: Entering directory '/home/zdenek/libgraph-1.0.2'
Makefile:934: warning: overriding recipe for target 'libgraph.pc'
Makefile:409: warning: ignoring old recipe for target 'libgraph.pc'
Making all in doc
make[2]: Entering directory '/home/zdenek/libgraph-1.0.2/doc'
Making all in man
make[3]: Entering directory '/home/zdenek/libgraph-1.0.2/doc/man'
make[3]: Nothing to be done for 'all'.
make[3]: Leaving directory '/home/zdenek/libgraph-1.0.2/doc/man'
make[3]: Entering directory '/home/zdenek/libgraph-1.0.2/doc'
make[3]: Nothing to be done for 'all-am'.
make[3]: Leaving directory '/home/zdenek/libgraph-1.0.2/doc'
make[2]: Leaving directory '/home/zdenek/libgraph-1.0.2/doc'
make[2]: Entering directory '/home/zdenek/libgraph-1.0.2'
Makefile:934: warning: overriding recipe for target 'libgraph.pc'
Makefile:409: warning: ignoring old recipe for target 'libgraph.pc'
/bin/sh ./libtool --mode=link gcc -g -O2 -I/usr/include/SDL -D_GNU_SOURCE=1 -D_REENTRANT -DFONTDIR=\""/usr/local/share/libgraph/Font/"\" -g -O2 -I/usr/include/SDL -D_GNU_SOURCE=1 -D_REENTRANT   -o libgraph.la -rpath /usr/local/lib -version-info 1:2:0 -export-dynamic libgraph.lo text.lo shapes.lo polygon.lo  -lm -lSDL_image -lSDL -lpthread 
gcc -shared  .libs/libgraph.o .libs/text.o .libs/shapes.o .libs/polygon.o  -lm -lSDL_image -lSDL -lpthread  -Wl,-soname -Wl,libgraph.so.1 -o .libs/libgraph.so.1.0.2
/usr/bin/ld: .libs/text.o:/home/zdenek/libgraph-1.0.2/grtext.h:77: multiple definition of `InternalFont'; .libs/libgraph.o:/home/zdenek/libgraph-1.0.2/grtext.h:77: first defined here
/usr/bin/ld: .libs/text.o:/home/zdenek/libgraph-1.0.2/grtext.h:87: multiple definition of `TP'; .libs/libgraph.o:/home/zdenek/libgraph-1.0.2/grtext.h:87: first defined here
/usr/bin/ld: .libs/shapes.o:/home/zdenek/libgraph-1.0.2/shapes.h:121: multiple definition of `_internal_linestyle'; .libs/libgraph.o:/home/zdenek/libgraph-1.0.2/shapes.h:121: first defined here
/usr/bin/ld: .libs/shapes.o:/home/zdenek/libgraph-1.0.2/shapes.h:115: multiple definition of `_last_arc'; .libs/libgraph.o:/home/zdenek/libgraph-1.0.2/shapes.h:115: first defined here
/usr/bin/ld: .libs/polygon.o:/home/zdenek/libgraph-1.0.2/polygon.h:42: multiple definition of `_scanlist'; .libs/libgraph.o:/home/zdenek/libgraph-1.0.2/polygon.h:42: first defined here
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:377: libgraph.la] Error 1
make[2]: Leaving directory '/home/zdenek/libgraph-1.0.2'
make[1]: *** [Makefile:552: all-recursive] Error 1
make[1]: Leaving directory '/home/zdenek/libgraph-1.0.2'
make: *** [Makefile:268: all] Error 2

Please can anyone help?
Thanks for support!
Neo75

1 Like
2

The error doesn’t have anything to do with graphics.h; why do you think you need that and what is it you’re really trying to do?

3

Thank you for reply.
libgraph is an implementation of the TurboC graphics API (graphics. h) using SDL. I have some old programs to run with it.

On my different computer with latest Linux Mint 20.1 I did the same procedure and received no errors and the library works perfect.
But under Fedora I got those errors mentioned above.

Thank you for any help!

4

The bug is in libgraph; it defines a symbol multiple times. Maybe the linker is stricter in Fedora, or maybe libgraph configures incorrectly, but it’s not directly a Fedora bug. You should try reporting this to the libgraph authors.

5

@qulogic thank you. I can try it. Anyway, it is a little bit outdated library, I am not sure, if it is still maintained.

6

@qulogic so finely I found a different solution, which works under Fedora 33. I have downloaded here http://libxbgi.sourceforge.net/ the RPM file of library “SDL_bgi”.

Compiled it with this option:
gcc filename.c -o filename -lSDL_bgi

This solution works. Only one issue I found was the speed. When I have tested it on the same hardware, the “SDL_bgi” is much slower than “libgraph”, but anyway it does not belong to this forum.

1 Like
7

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