I'll comment on libraries that might not be clear:

Am 14.04.2011 09:33, schrieb Michael Van Canneyt:
Simple Lazarus app (GTK2) dependencies:

linux-vdso.so.1 => (0x00007fff6b231000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00007fed28a87000)
libdl.so.2 => /lib/libdl.so.2 (0x00007fed28883000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x00007fed2854c000)
libgdk_pixbuf-2.0.so.0 => /usr/lib/libgdk_pixbuf-2.0.so.0
(0x00007fed28330000)
libgtk-x11-2.0.so.0 => /usr/lib/libgtk-x11-2.0.so.0 (0x00007fed27d0e000)
libgdk-x11-2.0.so.0 => /usr/lib/libgdk-x11-2.0.so.0 (0x00007fed27a60000)
libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0x00007fed27818000)
libglib-2.0.so.0 => /lib/libglib-2.0.so.0 (0x00007fed2753a000)
libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x00007fed27334000)
libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 (0x00007fed27130000)

libpango-1.0.so.0 => /usr/lib/libpango-1.0.so.0 (0x00007fed26ee6000)
libatk-1.0.so.0 => /usr/lib/libatk-1.0.so.0 (0x00007fed26cc4000)
libcairo.so.2 => /usr/lib/libcairo.so.2 (0x00007fed26a41000)

These three are needed by GTK. Pango is (basically) the "font backend", Cairo is the drawing backend while ATK is needed to provide accessibility features

libc.so.6 => /lib/libc.so.6 (0x00007fed266be000)
/lib64/ld-linux-x86-64.so.2 (0x00007fed28cc8000)
libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00007fed264a1000)
libgio-2.0.so.0 => /usr/lib/libgio-2.0.so.0 (0x00007fed261ee000)
librt.so.1 => /lib/librt.so.1 (0x00007fed25fe6000)
libm.so.6 => /lib/libm.so.6 (0x00007fed25d62000)
libXext.so.6 => /usr/lib/libXext.so.6 (0x00007fed25b50000)
libXrender.so.1 => /usr/lib/libXrender.so.1 (0x00007fed25946000)
libXinerama.so.1 => /usr/lib/libXinerama.so.1 (0x00007fed25742000)
libXi.so.6 => /usr/lib/libXi.so.6 (0x00007fed25532000)
libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x00007fed25329000)
libXcursor.so.1 => /usr/lib/libXcursor.so.1 (0x00007fed2511e000)

libpangocairo-1.0.so.0 => /usr/lib/libpangocairo-1.0.so.0
(0x00007fed24f11000)

Pango uses Cairo as a backend as well.

libXcomposite.so.1 => /usr/lib/libXcomposite.so.1 (0x00007fed24d0e000)
libXdamage.so.1 => /usr/lib/libXdamage.so.1 (0x00007fed24b0a000)
libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0x00007fed24904000)

libpangoft2-1.0.so.0 => /usr/lib/libpangoft2-1.0.so.0 (0x00007fed246da000)

Pango uses FreeType to retrieve font informations (see next library).

libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x00007fed24453000)
libz.so.1 => /lib/libz.so.1 (0x00007fed2423c000)

libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0x00007fed24007000)

This is needed to look for fonts installed in the system.

libpcre.so.3 => /lib/libpcre.so.3 (0x00007fed23dd8000)

Needed by glib2.

libpixman-1.so.0 => /usr/lib/libpixman-1.so.0 (0x00007fed23b7f000)

Lowlevel graphic operations, needed by cairo (can be compiled statically as well)

libdirectfb-1.2.so.0 => /usr/lib/libdirectfb-1.2.so.0 (0x00007fed238fb000)

Seems that direct FrameBuffer rendering was enabled for GTK or Cairo... so normally not needed.

libfusion-1.2.so.0 => /usr/lib/libfusion-1.2.so.0 (0x00007fed236f1000)
libdirect-1.2.so.0 => /usr/lib/libdirect-1.2.so.0 (0x00007fed234d8000)

I don't know about these two.

libpng12.so.0 => /lib/libpng12.so.0 (0x00007fed232b0000)

This is needed by Cairo.

libxcb-render-util.so.0 => /usr/lib/libxcb-render-util.so.0
(0x00007fed230ac000)
libxcb-render.so.0 => /usr/lib/libxcb-render.so.0 (0x00007fed22ea3000)
libXau.so.6 => /usr/lib/libXau.so.6 (0x00007fed22c9e000)
libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00007fed22a98000)
libresolv.so.2 => /lib/libresolv.so.2 (0x00007fed2287f000)

libselinux.so.1 => /lib/libselinux.so.1 (0x00007fed22660000)

I don't know why this one is in there

libexpat.so.1 => /lib/libexpat.so.1 (0x00007fed22437000)

This is a XML library and used by fontconfig.

Regards,
Sven

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