Build fix: support building on i686 systems

32bit Intel systems don't actually report 'x86' as
their architecture, rather, they are i?86 systems.
Provide a lookup table to map these codes to the
'x86' name that is used in the SConstruct file.

1 files changed, 9 insertions, 0 deletions

diff --git a/SConstruct b/SConstruct
index 8a40ace..e7885d3 100644
--- a/SConstruct
+++ b/SConstruct
@@ -9,12 +9,17 @@ API_FLAGS    = '-D_XOPEN_SOURCE=600 -D_GNU_SOURCE'
 X86_32_FLAGS = '-m32'
 X86_64_FLAGS = '-m64'
 V9_FLAGS     = '-mcpu=v9 -m64'
+
 SUPPORTED_ARCHS = {
     'sparc64'   : V9_FLAGS,
     'x86'       : X86_32_FLAGS,
     'x86_64'    : X86_64_FLAGS,
 }
 
+ARCH_ALIAS = {
+    'i686'      : 'x86'
+}
+
 KERNEL_INCLUDE = '%s/include/' % LITMUS_KERNEL
 INCLUDE_DIRS = 'include/ ' + KERNEL_INCLUDE
 
@@ -50,6 +55,10 @@ if 'ARCH' in ARGUMENTS:
 elif 'ARCH' in environ:
     arch = environ['ARCH']
 
+# replace if the arch has an alternative name
+if arch in ARCH_ALIAS:
+    arch = ARCH_ALIAS[arch]
+
 if arch not in SUPPORTED_ARCHS:
     print 'Error: Building liblitmus is only supported for the following', \
         'architectures: %s.' % ', '.join(sorted(SUPPORTED_ARCHS))