On systems where $PYTHON is python3.5 (instead of python2 or python3),
pkg-config fails to find the Python package because it is named with a
dash (e.g. python-3.5).
Moreover the build system may have been using the pkg-config
configuration files for the wrong Python version when several Python
with the same major version number are installed (e.g. using python-3.5
on a system with both python-3.4 and python-3.5 and where
/usr/lib/pkgconfig/python3.pc is a symlink to python-3.5.pc).
In order to fix these two issues, compute $PYPREFIX from $PYTHON by
using the full major.minor version.
Moreover update Travis-Ci configuration to grab the relevant
configuration files for pkg-config from /opt/python (for example
/opt/python/3.5.2/lib/pkgconfig/python-3.5.pc) instead of using
system-provided files (/usr/lib/x86_64-linux-gnu/pkgconfig/python3.pc
and /usr/lib/x86_64-linux-gnu/pkgconfig/python2.pc).
Signed-off-by: Nicolas Iooss <nicolas.iooss@xxxxxxx>
---
.travis.yml | 3 ++-
libselinux/src/Makefile | 2 +-
libsemanage/src/Makefile | 2 +-
3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/.travis.yml b/.travis.yml
index 6dce35165bd3..7d7424459344 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -76,7 +76,8 @@ before_script:
# Configure the variables for Python parts
- export VIRTUAL_ENV="$HOME/virtualenv/$PYVER"
- export PYTHON="$VIRTUAL_ENV/bin/python"
- - export PYPREFIX="$($PYTHON -c 'import sys;print("python%d" % sys.version_info[0])')"
+ # Use the header files in /opt/python/... for Python because the virtualenvs do not provide Python.h
+ - export PKG_CONFIG_PATH="/opt/python/$($PYTHON -c 'import sys;print("%d.%d.%d" % sys.version_info[:3])')/lib/pkgconfig"
# PyPy does not provide a config file for pkg-config nor a pypy-c.so
- if echo "$PYVER" | grep -q pypy ; then export PYINC=-I$($PYTHON -c 'import sys;print(sys.prefix)')/include PYLIBS= ; fi
# Python virtualenvs do not support "import site; print(site.getsitepackages()[0]"
diff --git a/libselinux/src/Makefile b/libselinux/src/Makefile
index 5640a57d2768..a277b8715819 100644
--- a/libselinux/src/Makefile
+++ b/libselinux/src/Makefile
@@ -2,7 +2,7 @@
# runtimes (e.g. Python 2 vs Python 3) by optionally prefixing the build
# targets with "PYPREFIX":
PYTHON ?= python
-PYPREFIX ?= $(notdir $(PYTHON))
+PYPREFIX ?= $(shell $(PYTHON) -c 'import sys;print("python-%d.%d" % sys.version_info[:2])')
RUBY ?= ruby
RUBYPREFIX ?= $(notdir $(RUBY))
PKG_CONFIG ?= pkg-config
diff --git a/libsemanage/src/Makefile b/libsemanage/src/Makefile
index 92c829be234d..77f6efc86d2d 100644
--- a/libsemanage/src/Makefile
+++ b/libsemanage/src/Makefile
@@ -2,7 +2,7 @@
# runtimes (e.g. Python 2 vs Python 3) by optionally prefixing the build
# targets with "PYPREFIX":
PYTHON ?= python
-PYPREFIX ?= $(notdir $(PYTHON))
+PYPREFIX ?= $(shell $(PYTHON) -c 'import sys;print("python-%d.%d" % sys.version_info[:2])')
RUBY ?= ruby
RUBYPREFIX ?= $(notdir $(RUBY))
PKG_CONFIG ?= pkg-config
--
2.11.1
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