gnu: Use 'search-input-directory' when looking for C/C++ library headers.

* 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.

1 files changed, 6 insertions, 6 deletions

diff --git a/gnu/packages/virtualization.scm b/gnu/packages/virtualization.scm
index 6a49f0c40a..c3459ebb15 100644
--- a/gnu/packages/virtualization.scm
+++ b/gnu/packages/virtualization.scm
@@ -1347,10 +1347,9 @@ domains, their live performance and resource utilization statistics.")
            (lambda* (#:key inputs #:allow-other-keys)
              ;; The includes for libnl are located in a sub-directory.
              (setenv "C_INCLUDE_PATH"
-                     (string-append (assoc-ref inputs "libnl")
-                                    "/include/libnl3:"
-                                    (or (getenv "C_INCLUDE_PATH") "")))
-             #t))
+                     (string-append
+                      (search-input-directory inputs "/include/libnl3")
+                      ":" (or (getenv "C_INCLUDE_PATH") "")))))
          (add-after 'configure 'fix-documentation
            (lambda* (#:key inputs outputs #:allow-other-keys)
              (substitute* "Documentation/Makefile"
@@ -1381,8 +1380,9 @@ domains, their live performance and resource utilization statistics.")
              ;; /usr/include/..., which obviously does not exist.
              (let* ((file "google/protobuf/descriptor.proto")
                     (target (string-append "images/" file))
-                    (source (string-append (assoc-ref inputs "protobuf")
-                                           "/include/" file)))
+                    (source (search-input-file
+                             inputs
+                             (string-append "include/" file))))
                (delete-file target)
                (symlink source target)
                #t)))