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Eelco Dolstra bd56b7d65c * Started moving from XFree86 to the freedesktop.org Xlibs libraries.
svn path=/nixpkgs/trunk/; revision=860
2004-03-27 21:59:31 +00:00

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* If NIX_DEBUG is turned on (set to "1"), autoconf configure scripts
may fail to find the correct preprocessor:
checking how to run the C preprocessor... /lib/cpp
* When building gcc using a Nix gcc, generated libraries link against
the libraries of the latter:
$ ldd /nix/store/3b1d3995c4edbf026be5c73f66f69245-gcc-3.3.3/lib/libstdc++.so
...
libgcc_s.so.1 => /nix/store/1f19e61d1b7051f1131f78b41b2a0e7e-gcc-3.3.2/lib/libgcc_s.so.1 (0x400de000)
(wrong! should be .../3b1d.../lib/libgcc_s...)
...
* Subtle problems can occur if the Nix store directory or one of its
parents is a symlink. E.g., purity checks can barf:
impure path `/data/nix/store/099cd9aee7d056a9922fd6dd116a3f5c-gcc-3.3.3/bin/../lib/gcc-lib/i686-pc-linux-gnu/3.3.3/crtbegin.o' used in link
(This happened because /nix was a symlink to /data/nix.) Maybe we
should disallow this entirely, since, exactly because it is
perfectly legal for a builder to expand a symlink, we can end up
with derivates referring to paths that existed in the build
environment but not in the target environment.
Disallowing this can be highly inconvenient, since it makes it
harder to move the Nix store to a different file system. (On Linux,
`bind' mounts can help here.)
* In libXt:
/bin/sh ./libtool --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I. -DXTHREADS -DXUSE_MTSAFE_API -I/nix/store/aadf0bd4a908da11d14f6538503b8408-libX11-6.2.1/include -I/nix/store/ba366e3b944ead64ec9b0490bb615874-xproto-6.6.1/include -I./include/X11 -g -O2 -c -o ActionHook.lo `test -f 'ActionHook.c' || echo './'`ActionHook.c
mkdir .libs
gcc -DHAVE_CONFIG_H -I. -I. -I. -DXTHREADS -DXUSE_MTSAFE_API -I/nix/store/aadf0bd4a908da11d14f6538503b8408-libX11-6.2.1/include -I/nix/store/ba366e3b944ead64ec9b0490bb615874-xproto-6.6.1/include -I./include/X11 -g -O2 -c ActionHook.c -fPIC -DPIC -o .libs/ActionHook.o
In file included from IntrinsicI.h:55,
from ActionHook.c:69:
include/X11/IntrinsicP.h:54:27: X11/Intrinsic.h: No such file or directory
* Then:
gcc -DHAVE_CONFIG_H -I. -I. -I. -DXTHREADS -DXUSE_MTSAFE_API -I/nix/store/aadf0bd4a908da11d14f6538503b8408-libX11-6.2.1/include -I/nix/store/ba366e3b944ead64ec9b0490bb615874-xproto-6.6.1/include -I./include -I./include/X11 -g -O2 -c ActionHook.c -fPIC -DPIC -o .libs/ActionHook.o
In file included from IntrinsicI.h:55,
from ActionHook.c:69:
include/X11/IntrinsicP.h:202:25: X11/ObjectP.h: No such file or directory
(moved to include/X11; should edit include/Makefile.am)