From ffef78f5985685bdedf5c106c73752f468b137c2 Mon Sep 17 00:00:00 2001
From: Dwayne Litzenberger <dlitz@dlitz.net>
Date: Fri, 1 Apr 2016 18:12:33 -0700
Subject: setup.py: Allow configure args to be specified in
 PYCRYPTO_CONFIGURE_ARGS env var

This allows site-specific configure options like --without-gmp to be
provided during a pip install.
---
 .travis.yml | 7 +++----
 setup.py    | 2 ++
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index f8e4942..a7602b8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,14 +10,14 @@ env:
   - PYENV_VERSION=2.7.6
   - PYENV_VERSION=2.7.6 python_flags=-Qnew
   - PYENV_VERSION=2.7.6 python_flags=-OO
-  - PYENV_VERSION=2.7.6 preconfigure_args=--without-gmp
+  - PYENV_VERSION=2.7.6 PYCRYPTO_CONFIGURE_ARGS=--without-gmp
 # pip won't install on Python 3.0 (lack of collections.OrderedDict object?)
 #  - PYENV_VERSION=3.0.1
   - PYENV_VERSION=3.1.5
   - PYENV_VERSION=3.2.5
   - PYENV_VERSION=3.3.5
   - PYENV_VERSION=3.4.0
-  - PYENV_VERSION=3.4.0 preconfigure_args=--without-gmp
+  - PYENV_VERSION=3.4.0 PYCRYPTO_CONFIGURE_ARGS=--without-gmp
 # PyCrypto does not support PyPy yet.
 # See https://github.com/dlitz/pycrypto/pull/59
 #  - PYENV_VERSION=pypy-2.3.1
@@ -25,7 +25,7 @@ env:
 language: python
 before_install:
   # Unexport variables
-  - declare +x preconfigure_args python_flags
+  - declare +x python_flags
   # List local virtualenvs
   - ls ~/virtualenv || true
   # Show environment
@@ -50,6 +50,5 @@ before_install:
 script:
   - "major_version=$( python -V 2>&1 | cut -d' ' -f2  | cut -d. -f1 )"
   - if [ "$major_version" -ge 3 ] ; then extra_flags="$extra_flags -bb" ; fi
-  - if [ -n "$preconfigure_args" ] ; then ./configure $preconfigure_args ; fi
   - python -tt $extra_flags $python_flags setup.py -q build
   - python -tt $extra_flags $python_flags setup.py test
diff --git a/setup.py b/setup.py
index 2dca4fb..c9a09db 100644
--- a/setup.py
+++ b/setup.py
@@ -274,6 +274,8 @@ class PCTBuildConfigure(Command):
             cmd = "sh configure"    # we use "sh" here so that it'll work on mingw32 with standard python.org binaries
             if self.verbose < 1:
                 cmd += " -q"
+            if os.getenv("PYCRYPTO_CONFIGURE_ARGS"):
+                cmd += " " + os.getenv("PYCRYPTO_CONFIGURE_ARGS")
             if os.system(cmd) != 0:
                 raise RuntimeError("autoconf error")
 
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