configure.ac: detect MIPS ABI

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 68586a30d..76a603d29 100644
--- a/configure.ac
+++ b/configure.ac
@@ -819,6 +819,27 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
             ])
         AC_CHECK_HEADERS([linux/seccomp.h linux/filter.h linux/audit.h], [],
             [], [#include <linux/types.h>])
+        # Obtain MIPS ABI
+        case "$host" in
+        mips*)
+                AC_COMPILE_IFELSE([
+#if _MIPS_SIM != _ABIO32
+#error
+#endif
+                        ],[mips_abi="o32"],[AC_COMPILE_IFELSE([
+#if _MIPS_SIM != _ABIN32
+#error
+#endif
+                                ],[mips_abi="n32"],[AC_COMPILE_IFELSE([
+#if _MIPS_SIM != _ABI64
+#error
+#endif
+                                        ],[mips_abi="n64"],[AC_MSG_ERROR([unknown MIPS ABI])
+                                ])
+                        ])
+                ])
+                ;;
+        esac
         AC_MSG_CHECKING([for seccomp architecture])
         seccomp_audit_arch=
         case "$host" in