Add --build-32bit-win switch to configure --help output.

[fio.git] / configure

diff --git a/configure b/configure
index d332c5eb246f29ad4f478fcaca6bd243715c8eec..258c805052fcd5450a481a2aa933363a8ae00445 100755 (executable)
--- a/configure
+++ b/configure
@@ -133,6 +133,8 @@ for opt do
   ;;
   --extra-cflags=*) CFLAGS="$CFLAGS $optarg"
   ;;
+  --build-32bit-win=*) build_32bit_win="$optarg"
+  ;;
   --help)
   show_help="yes"
   ;;
@@ -146,6 +148,7 @@ done
 if test "$show_help" = "yes" ; then
   echo "--cc=                  Specify compiler to use"
   echo "--extra-cflags=        Specify extra CFLAGS to pass to compiler"
+  echo "--build-32bit-win=     Specify yes for a 32-bit build on Windows"
   exit $exit_val
 fi
 
@@ -183,13 +186,18 @@ SunOS)
 CYGWIN*)
   echo "Forcing known good options on Windows"
   if test -z "$CC" ; then
-    CC="x86_64-w64-mingw32-gcc"
+    if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
+      CC="i686-w64-mingw32-gcc"
+    else
+      CC="x86_64-w64-mingw32-gcc"
+    fi
   fi
   output_sym "CONFIG_LITTLE_ENDIAN"
-  output_sym "CONFIG_64BIT_LLP64"
-  output_sym "CONFIG_CLOCK_GETTIME"
-  output_sym "CONFIG_CLOCK_MONOTONIC"
-  output_sym "CONFIG_GETTIMEOFDAY"
+  if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
+    output_sym "CONFIG_32BIT"
+  else
+    output_sym "CONFIG_64BIT_LLP64"
+  fi
   output_sym "CONFIG_FADVISE"
   output_sym "CONFIG_SOCKLEN_T"
   output_sym "CONFIG_POSIX_FALLOCATE"
@@ -198,6 +206,7 @@ CYGWIN*)
   output_sym "CONFIG_RUSAGE_THREAD"
   output_sym "CONFIG_WINDOWSAIO"
   output_sym "CONFIG_FDATASYNC"
+  output_sym "CONFIG_CLOCK_MONOTONIC"
   output_sym "CONFIG_GETTIMEOFDAY"
   output_sym "CONFIG_CLOCK_GETTIME"
   output_sym "CONFIG_SCHED_IDLE"