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| Allegro installed wrong on Linux |
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Chris Katko
Member #1,881
January 2002
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I've built Allegro 5.1.x while back. Linux/Ubuntu. I ran make. I ran sudo make install. ldconfig -p | grep allegro Results in: 1 liballegro_ttf.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_ttf.so.5.1
2 liballegro_ttf.so (libc6,x86-64) => /usr/local/lib/liballegro_ttf.so
3 liballegro_primitives.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_primitives.so.5.1
4 liballegro_primitives.so (libc6,x86-64) => /usr/local/lib/liballegro_primitives.so
5 liballegro_memfile.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_memfile.so.5.1
6 liballegro_memfile.so (libc6,x86-64) => /usr/local/lib/liballegro_memfile.so
7 liballegro_main.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_main.so.5.1
8 liballegro_main.so (libc6,x86-64) => /usr/local/lib/liballegro_main.so
9 liballegro_image.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_image.so.5.1
10 liballegro_image.so (libc6,x86-64) => /usr/local/lib/liballegro_image.so
11 liballegro_font.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_font.so.5.1
12 liballegro_font.so (libc6,x86-64) => /usr/local/lib/liballegro_font.so
13 liballegro_color.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_color.so.5.1
14 liballegro_color.so (libc6,x86-64) => /usr/local/lib/liballegro_color.so
15 liballegro_audio.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_audio.so.5.1
16 liballegro_audio.so (libc6,x86-64) => /usr/local/lib/liballegro_audio.so
17 liballegro_acodec.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_acodec.so.5.1
18 liballegro_acodec.so (libc6,x86-64) => /usr/local/lib/liballegro_acodec.so
19 liballegro.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro.so.5.1
20 liballegro.so (libc6,x86-64) => /usr/local/lib/liballegro.so
However, allegro-config --libs --cflags Results in: -I/usr/include -L/usr/lib/x86_64-linux-gnu -lalleg Either way, I can't get G++ to link the most basic of programs. It can't find the library. I recall previously I "got around it" by hardcoding every applicable library with -I and -L but that is a mess and I can't find my previous workaround. So instead of starting over, I imagine it'd be better to fix the problem overall. To be clear, this should compile, right? g++ main.cpp -o main `allegro-config --cflags --libs` [edit] Perhaps that's A4. Per the docs, this should work: g++ main.cpp -o main `pkg-config --cflags --libs allegro-5.1 allegro_acodec-5.1 allegro_audio-5.1 allegro_color-5.1 allegro_dialog-5.1 allegro_font-5.1 allegro_image-5.1 allegro_main-5.1 allegro_memfile-5.1 allegro_physfs-5.1 allegro_primitives-5.1 allegro_ttf-5.1` --std=c++11 But my PKG_CONFIG_PATH env variable was missing. I added /usr/local/lib, but still fails. 1Package allegro-5.1 was not found in the pkg-config search path.
2Perhaps you should add the directory containing `allegro-5.1.pc'
3to the PKG_CONFIG_PATH environment variable
4No package 'allegro-5.1' found
5Package allegro_acodec-5.1 was not found in the pkg-config search path.
6Perhaps you should add the directory containing `allegro_acodec-5.1.pc'
7to the PKG_CONFIG_PATH environment variable
8No package 'allegro_acodec-5.1' found
9Package allegro_audio-5.1 was not found in the pkg-config search path.
10Perhaps you should add the directory containing `allegro_audio-5.1.pc'
11to the PKG_CONFIG_PATH environment variable
12No package 'allegro_audio-5.1' found
13Package allegro_color-5.1 was not found in the pkg-config search path.
14Perhaps you should add the directory containing `allegro_color-5.1.pc'
15to the PKG_CONFIG_PATH environment variable
16No package 'allegro_color-5.1' found
17Package allegro_dialog-5.1 was not found in the pkg-config search path.
18Perhaps you should add the directory containing `allegro_dialog-5.1.pc'
19to the PKG_CONFIG_PATH environment variable
20No package 'allegro_dialog-5.1' found
21Package allegro_font-5.1 was not found in the pkg-config search path.
22Perhaps you should add the directory containing `allegro_font-5.1.pc'
23to the PKG_CONFIG_PATH environment variable
24No package 'allegro_font-5.1' found
25Package allegro_image-5.1 was not found in the pkg-config search path.
26Perhaps you should add the directory containing `allegro_image-5.1.pc'
27to the PKG_CONFIG_PATH environment variable
28No package 'allegro_image-5.1' found
29Package allegro_main-5.1 was not found in the pkg-config search path.
30Perhaps you should add the directory containing `allegro_main-5.1.pc'
31to the PKG_CONFIG_PATH environment variable
32No package 'allegro_main-5.1' found
33Package allegro_memfile-5.1 was not found in the pkg-config search path.
34Perhaps you should add the directory containing `allegro_memfile-5.1.pc'
35to the PKG_CONFIG_PATH environment variable
36No package 'allegro_memfile-5.1' found
37Package allegro_physfs-5.1 was not found in the pkg-config search path.
38Perhaps you should add the directory containing `allegro_physfs-5.1.pc'
39to the PKG_CONFIG_PATH environment variable
40No package 'allegro_physfs-5.1' found
41Package allegro_primitives-5.1 was not found in the pkg-config search path.
42Perhaps you should add the directory containing `allegro_primitives-5.1.pc'
43to the PKG_CONFIG_PATH environment variable
44No package 'allegro_primitives-5.1' found
45Package allegro_ttf-5.1 was not found in the pkg-config search path.
46Perhaps you should add the directory containing `allegro_ttf-5.1.pc'
47to the PKG_CONFIG_PATH environment variable
48No package 'allegro_ttf-5.1' found
49/tmp/ccm0Fyr4.o: In function `main':
50main.cpp:(.text+0x14): undefined reference to `al_install_system'
51main.cpp:(.text+0x23): undefined reference to `al_create_display'
52main.cpp:(.text+0x3b): undefined reference to `al_map_rgb'
53main.cpp:(.text+0x70): undefined reference to `al_clear_to_color'
54main.cpp:(.text+0x75): undefined reference to `al_flip_display'
55main.cpp:(.text+0x8d): undefined reference to `al_rest'
56main.cpp:(.text+0x99): undefined reference to `al_destroy_display'
57collect2: error: ld returned 1 exit status
-----sig: |
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Elias
Member #358
May 2000
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Chris Katko said: pkg-config retrieves information about packages from special metadata files. These files are named after the package, and has a .pc extension. On So, it already should look in /usr/local/lib/pkgconfig (on "most systems" at least). And if not, then the path to set PKG_CONFIG_PATH to would be /usr/local/lib/pkgconfig and not /usr/local/lib. -- |
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Chris Katko
Member #1,881
January 2002
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Interesting! Removing the .1 and just using: g++ main.cpp -o main `pkg-config --cflags --libs allegro-5` --std=c++11 Successfully compiles and links! In my usr/local/lib/pkgconfig directory there are only files named for Allegro-5. Should there be ones for Allegro-5.1? -----sig: |
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SiegeLord
Member #7,827
October 2006
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It's not supported to have both 5.1 and 5.0 installed at the same time. allegro-5 pkgconfig file refers to the latest version you've installed. Indeed, we used to append the sub version to those files, but our Debian packagers suggested we drop it, as that simplifies build system upkeep. The only reason we even have a 5 there is because there's also Allegro 4. "For in much wisdom is much grief: and he that increases knowledge increases sorrow."-Ecclesiastes 1:18 |
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Chris Katko
Member #1,881
January 2002
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So I ran sudo apt-get remove with all allegro5 libs (there were only a couple). Those pkgconfig files still exist. I can still compile successfully using pkgconfig --cflags --libs allegro5 which reports: -I/usr/local/include -L/usr/local/lib -lallegro ldconfig -p still shows the same... I think the .so files are symbolic links to .so.5.11 libs. 1 liballegro_ttf.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_ttf.so.5.1
2 liballegro_ttf.so (libc6,x86-64) => /usr/local/lib/liballegro_ttf.so
3 liballegro_primitives.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_primitives.so.5.1
4 liballegro_primitives.so (libc6,x86-64) => /usr/local/lib/liballegro_primitives.so
5 liballegro_memfile.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_memfile.so.5.1
6 liballegro_memfile.so (libc6,x86-64) => /usr/local/lib/liballegro_memfile.so
7 liballegro_main.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_main.so.5.1
8 liballegro_main.so (libc6,x86-64) => /usr/local/lib/liballegro_main.so
9 liballegro_image.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_image.so.5.1
10 liballegro_image.so (libc6,x86-64) => /usr/local/lib/liballegro_image.so
11 liballegro_font.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_font.so.5.1
12 liballegro_font.so (libc6,x86-64) => /usr/local/lib/liballegro_font.so
13 liballegro_color.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_color.so.5.1
14 liballegro_color.so (libc6,x86-64) => /usr/local/lib/liballegro_color.so
15 liballegro_audio.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_audio.so.5.1
16 liballegro_audio.so (libc6,x86-64) => /usr/local/lib/liballegro_audio.so
17 liballegro_acodec.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro_acodec.so.5.1
18 liballegro_acodec.so (libc6,x86-64) => /usr/local/lib/liballegro_acodec.so
19 liballegro.so.5.1 (libc6,x86-64) => /usr/local/lib/liballegro.so.5.1
20 liballegro.so (libc6,x86-64) => /usr/local/lib/liballegro.so
[edit] Looks like all that was removed was Allegro 4. -----sig: |
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