* gnu/packages/arcan.scm (arcan)[arguments]: Use
'search-input-directory' for "include/libdrm" and "include/apr-1".
* gnu/packages/bioinformatics.scm (sailfish): Likewise for jellyfish.
* gnu/packages/boost.scm (boost-for-irods): Likewise for libcxx headers.
* gnu/packages/cedille.scm (cedille): Likewise for IAL headers.
* gnu/packages/compression.scm (snappy-with-clang6): Likewise for libcxx
headers.
* gnu/packages/cups.scm (hplip): Likewise for libusb headers.
* gnu/packages/emulators.scm (pcsxr): Likewise for libcdio headers.
* gnu/packages/game-development.scm (python2-renpy): Likewise for
fribidi headers.
* gnu/packages/games.scm (pokerth): Likewise for libircclient.
* gnu/packages/guile-xyz.scm (guile-persist): Likewise for Guile.
* gnu/packages/hurd.scm (hurd): Likewise for libtirpc.
* gnu/packages/irods.scm (irods, irods-client-icommands): Likewise for
libcxx, catch2, and nlohmann-json-cpp.
* gnu/packages/julia.scm (julia): Use 'search-input-file' for libuv's
errno.h.
* gnu/packages/kde-pim.scm (kdepim-runtime): Use
'search-input-directory' for "include/KF5".
(kmessagelib): Likewise.
* gnu/packages/kde.scm (kdeconnect): Likewise.
* gnu/packages/llvm.scm (clang-runtime-3.5): Likewise for libtirpc.
* gnu/packages/mpi.scm (openmpi): Likewise for "include/infiniband".
* gnu/packages/pumpio.scm (pumpa): Use 'search-input-file' for "tidy.h"
and "aspell.h".
* gnu/packages/radio.scm (dream): Use 'search-input-file' and
'search-input-directory' for pulseaudio, sndfile, etc.
* gnu/packages/selinux.scm (policycoreutils): Likewise for PAM and
libaudit.
* gnu/packages/serialization.scm (avro-cpp-1.9-for-irods): Likewise for
libcxx.
* gnu/packages/sync.scm (nextcloud-client): Likewise for "include/KF5".
* gnu/packages/video.scm (mkvtoolnix): Likewise for "include/gtest".
(libopenshot): Likewise for "include/UnitTest++".
* gnu/packages/virtualization.scm (criu): Likewise for libnl3 and for
protobuf file.
* gnu/packages/bioinformatics.scm (sailfish)[arguments]: Use
'search-input-directory' when searching for Eigen headers.
* gnu/packages/bioinformatics.scm (nanopolish): Likewise.
* gnu/packages/machine-learning.scm (tensorflow): Likewise.
* gnu/packages/audio.scm (libsbsms)[arguments]: Use 'search-input-file'
when searching for Automake file.
* gnu/packages/maths.scm (hdf-java): Likewise.
* gnu/packages/commencement.scm (tcc-boot): Remove stale comments.
(gcc-core-mesboot0)[native-inputs]: Remove "boot-patch".
[arguments]: Turn flags and phases into gexps. Use 'local-file' in the
'apply-boot-patch' phase to refer to the patch.
(glibc-mesboot0)[native-inputs]: Remove "boot-patch" and "system-patch".
[arguments]: Turn flags and phases into gexps. Use 'local-file' in the
'apply-boot-patch' phase to refer to the patches.
(gcc-mesboot0)[native-inputs]: Remove "boot-patch".
[arguments]: Turn phases into a gexp.
(gcc-core-mesboot1)[native-inputs]: Remove "boot-patch".
[arguments]: Turn flags and phases into gexps. Use 'local-file' in the
'apply-boot-patch' phase to refer to the patch.
(gcc-mesboot1)[arguments]: Turn flags and phases into gexps.
(glibc-headers-mesboot)[arguments]: Likewise.
(glibc-mesboot)[arguments]: Likewise.
* gnu/packages/python.scm (python-2.7)[arguments]: Ensure the post-install
phases run in order. Move rebuild-bytecode last and run it on every output.
* gnu/packages/python.scm (python-3.9)[arguments]: Run the rebuild-bytecode
phase on every output.
* gnu/packages/python.scm (python-3.9)[arguments]: In the rebuild-bytecode
phase, actully run Python instead of defining an anonymous procedure. While
at it, create all optimization levels with the same command instead of running
once for each level.
* gnu/packages/graphviz.scm (graphviz): Update to 2.48.0.
[source](uri): Adjust for upstream change.
[source](file-name): Remove.
[inputs]: Change from GUILE-2.0 to GUILE-3.0.
* gnu/packages/ncurses.scm (ncurses)[version]: Set to 6.2.20210619.
[source](uri): Adjust accordingly.
[arguments]: Remove trailing #t's. Rewrite apply-rollup-patch phase to work
in the absence of the patch. Run the phase.
[native-inputs]: Add "rollup-patch".
* gnu/packages/commencement.scm (python-boot0)[arguments]: Do not use
SUBSTITUTE-KEYWORD-ARGUMENTS to make it easier to change Python without a full
bootstrap.