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build: Improve Python detection.

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* configure.ac: Do not error out too early if we don't find a matching
Python version.  We handle this case later.

Signed-off-by: Justus Winter <justus@g10code.com>
This commit is contained in:
Justus Winter 2017-03-13 15:37:15 +01:00
parent 5189c08af9
commit 6a37166388
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GPG Key ID: DD1A52F9DA8C9020
1 changed files with 24 additions and 14 deletions
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38
configure.ac
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@ -418,12 +418,13 @@ if test "$found_py" = "1" -o "$found_py2" = "1" -o "$found_py3" = "1"; then
unset am_cv_python_pyexecdir
if test "$found_py" = "1" -o "$found_py2" = "1"; then
AM_PATH_PYTHON([2.7])
AX_PYTHON_DEVEL
if test "$PYTHON_VERSION"; then
PYTHONS="$(echo $PYTHONS $PYTHON)"
PYTHON_VERSIONS="$(echo $PYTHON_VERSIONS $PYTHON_VERSION)"
fi
AM_PATH_PYTHON([2.7], [
AX_PYTHON_DEVEL
if test "$PYTHON_VERSION"; then
PYTHONS="$(echo $PYTHONS $PYTHON)"
PYTHON_VERSIONS="$(echo $PYTHON_VERSIONS $PYTHON_VERSION)"
fi
], :)
fi
if test "$found_py" = "1" -o "$found_py3" = "1"; then
@ -441,17 +442,26 @@ if test "$found_py" = "1" -o "$found_py2" = "1" -o "$found_py3" = "1"; then
unset am_cv_python_platform
unset am_cv_python_pythondir
unset am_cv_python_pyexecdir
AM_PATH_PYTHON([3.4])
AX_PYTHON_DEVEL
if test "$PYTHON_VERSION"; then
PYTHONS="$(echo $PYTHONS $PYTHON)"
PYTHON_VERSIONS="$(echo $PYTHON_VERSIONS $PYTHON_VERSION)"
fi
AM_PATH_PYTHON([3.4], [
AX_PYTHON_DEVEL
if test "$PYTHON_VERSION"; then
PYTHONS="$(echo $PYTHONS $PYTHON)"
PYTHON_VERSIONS="$(echo $PYTHON_VERSIONS $PYTHON_VERSION)"
fi
], :)
fi
# Recover some values lost in the second attempt to find Python.
PYTHON="$(echo $PYTHONS | cut -d ' ' -f 1)"
PYTHON_VERSION="$(echo $PYTHON_VERSIONS | cut -d ' ' -f 1)"
# Remove duplicates.
PYTHONS="$(echo $PYTHONS | tr '[[:space:]]' '\n' | sort | uniq | tr '\n' ' ' | sed -e 's/ $//')"
PYTHON_VERSIONS="$(echo $PYTHON_VERSIONS | tr '[[:space:]]' '\n' | sort | uniq | tr '\n' ' ' | sed -e 's/ $//')"
if test "$PYTHON_VERSIONS"; then
enabled_languages_v=$(echo $enabled_languages | sed "s/python\([[23]]\)\?/python ($PYTHON_VERSIONS)/")
enabled_languages=$(echo $enabled_languages | sed "s/python\([[23]]\)\?/python/")
enabled_languages_v=$(echo $enabled_languages | sed -Ee "s/python[[23]]?/python ($PYTHON_VERSIONS)/")
enabled_languages=$(echo $enabled_languages | sed -Ee "s/python[[23]]?/python/")
else
if test "$explicit_languages" = "1"; then
AC_MSG_ERROR([[