[MERGED] osmo-ci[master]: Use stow for dependency management

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Alexander Huemer gerrit-no-reply at lists.osmocom.org
Fri Jan 12 19:14:01 UTC 2018


Alexander Huemer has submitted this change and it was merged.

Change subject: Use stow for dependency management
......................................................................


Use stow for dependency management

This commit introduces the usage of GNU stow[1] for dependency
management.
Stow uses symlinks to make dependencies available in a single directory
althoguh they were installed in distinct directories.
Keeping installation directories seperate has the advantage of letting the
build fail if AM_CFLAGS and LDADD do not contain all dependencies which are
actually used.
Installing multiple dependencies into a single directory causes x_CFLAGS
and x_LIBS variables to magically point where other dependencies are
found as well, therefore missing entries can be overlooked.

Stow acts as a convenience layer here, making it unnecessary to supply a
list of locations in LD_LIBRARY_PATH, PKG_CONFIG_PATH and so forth for
building when dependencies are installed in distinct directories
manually.
Stow has to be present on the jenkins build nodes for successful executing of
osmo-build-dep.sh.

[1] https://www.gnu.org/software/stow/

Change-Id: I8f5012419495a656912b7b71e4f76ce102c6b63a
---
M scripts/osmo-build-dep.sh
1 file changed, 9 insertions(+), 1 deletion(-)

Approvals:
  Alexander Huemer: Verified
  Neels Hofmeyr: Looks good to me, approved
  Harald Welte: Looks good to me, approved



diff --git a/scripts/osmo-build-dep.sh b/scripts/osmo-build-dep.sh
index 6e9ef86..35cb373 100755
--- a/scripts/osmo-build-dep.sh
+++ b/scripts/osmo-build-dep.sh
@@ -43,6 +43,14 @@
 osmo-deps.sh "$project" "$branch"
 cd "$project"
 
+# Keep the installation targets of the dependencies in a seperate directory
+# hierarchy before stowing them to avoid wrongly suggesting that they are part
+# of the -I and -L search paths
+mkdir -p "$inst/stow"
+
 autoreconf --install --force
-./configure --prefix="$inst" $cfg
+./configure --prefix="$inst/stow/$project" $cfg
 $MAKE $PARALLEL_MAKE install
+
+# Make the dependencies available through symlinks in $deps ($PWD/..).
+STOW_DIR="$inst/stow" stow --restow $project

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Gerrit-MessageType: merged
Gerrit-Change-Id: I8f5012419495a656912b7b71e4f76ce102c6b63a
Gerrit-PatchSet: 5
Gerrit-Project: osmo-ci
Gerrit-Branch: master
Gerrit-Owner: Alexander Huemer <alexander.huemer at xx.vu>
Gerrit-Reviewer: Alexander Huemer <alexander.huemer at xx.vu>
Gerrit-Reviewer: André Boddenberg <dr.blobb at gmail.com>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Holger Freyther <holger at freyther.de>
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: blobb <dr.blobb at gmail.com>
Gerrit-Reviewer: neels <nhofmeyr at sysmocom.de>



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