build_system.py

   1 import os, subprocess
   2
   3 '''A build system has three methods: "configure" (with optionak "force" parameter), "build" and "install"'''
   4
   5 # Compile, build, and install cmake projects:
   6 class CMake:
   7         def __init__(self, sourceFolder, buildFolder, config):
   8                 self.sourceFolder = os.path.abspath(sourceFolder)
   9                 self.buildFolder = os.path.abspath(buildFolder)
  10                 self.installDir = config.installDir
  11                 self.buildType = config.buildType
  12                 self.jobs = config.jobs
  13                 self.buildCmdPrefix = config.buildCmdPrefix
  14                 self.installCmdPrefix = config.installCmdPrefix
  15
  16         def configure(self, force=False):
  17                 print "Configuring",self.folder
  18                 if not os.path.exists(self.buildFolder): os.makedirs(self.buildFolder)
  19                 os.chdir(self.buildFolder)
  20                 # check if we actually need to work
  21                 cacheFile = 'CMakeCache.txt'
  22                 if os.path.exists(cacheFile) and os.path.exists('Makefile') and not force: return
  23                 # yes we do! make sure we start clean, and then go ahead
  24                 if os.path.exists(cacheFile): os.remove(cacheFile)
  25                 os.putenv('PKG_CONFIG_PATH', os.path.join(self.installDir, 'lib', 'pkgconfig')) # I found no way to do this within cmake
  26                 subprocess.check_call(['cmake', self.sourceFolder, '-DCMAKE_BUILD_TYPE='+self.buildType, '-DCMAKE_INSTALL_PREFIX='+self.installDir])
  27                 os.unsetenv('PKG_CONFIG_PATH')
  28
  29         def build(self):
  30                 print "Building",self.folder
  31                 os.chdir(self.buildFolder)
  32                 subprocess.check_call(self.buildCmdPrefix + ['make', '-j'+str(self.jobs)])
  33
  34         def install(self):
  35                 print "Installing",self.folder
  36                 os.chdir(self.buildFolder)
  37                 subprocess.check_call(self.installCmdPrefix + ['make', 'install'])