Building 32-bit binaries on 64-bit linux machines now supported.

build/conan/.gitignore

@@ -15,3 +15,4 @@ test_package/build
 conanfile.pyc
 conaninfo.txt
 conanbuildinfo.cmake
+conanbuildinfo.txt

build/conan/build.py

@@ -4,9 +4,4 @@ import os, platform
 if __name__ == "__main__":
     builder = ConanMultiPackager(args="--build missing")
     builder.add_common_builds()
-    filtered_builds = []
-    for settings, options, env_vars, build_requires in builder.builds:
-        if not (settings["arch"] == "x86"):
-            filtered_builds.append([settings, options, env_vars, build_requires])
-    builder.builds = filtered_builds
     builder.run()

build/conan/conanfile.py

 import os
 from conans import ConanFile, CMake
-from conans.tools import os_info, SystemPackageTool, ConanException
+from conans.tools import os_info, SystemPackageTool, ConanException, replace_in_file
 from conans import tools, VisualStudioBuildEnvironment
 from conans.tools import build_sln_command, vcvars_command, download, unzip
 
@@ -33,14 +33,20 @@ class GlewConan(ConanFile):
                     installer.install("libxi-dev")
                     installer.install("libgl-dev")
                     installer.install("libosmesa-dev")
-                installer.install("libglu1-mesa-dev")
+                if self.settings.arch == "x86" and tools.detected_architecture() == "x86_64":
+                    installer.install("libglu1-mesa-dev:i386")
+                else:
+                    installer.install("libglu1-mesa-dev")
             elif os_info.with_yum:
                 installer = SystemPackageTool()
                 if self.version == "master":
                     installer.install("libXmu-devel")
                     installer.install("libXi-devel")
                     installer.install("libGL-devel")
-                installer.install("mesa-libGLU-devel")
+                if self.settings.arch == "x86" and tools.detected_architecture() == "x86_64":
+                    installer.install("mesa-libGLU-devel.i686")
+                else:
+                    installer.install("mesa-libGLU-devel")
             else:
                 self.output.warn("Could not determine Linux package manager, skipping system requirements installation.")
 
@@ -71,6 +77,12 @@ class GlewConan(ConanFile):
             if self.version == "master":
                 self.run("make extensions")
 
+            replace_in_file("%s/build/cmake/CMakeLists.txt" % self.source_directory, "include(GNUInstallDirs)",
+"""
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup()
+include(GNUInstallDirs)
+""")
             cmake = CMake(self)
             cmake.configure(source_dir="%s/build/cmake" % self.source_directory, defs={"BUILD_UTILS": "OFF"})
             cmake.build()

build/conan/test_package/conanfile.py

@@ -7,8 +7,8 @@ class TestGlew(ConanFile):
 
     def build(self):
         cmake = CMake(self)
-        self.run('cmake "%s" %s' % (self.conanfile_directory, cmake.command_line))
-        self.run("cmake --build . %s" % cmake.build_config)
+        cmake.configure()
+        cmake.build()
 
     def test(self):
         self.run(os.sep.join([".","bin", "testGlew"]))