configure: use `foo` instead of $(foo)

[fio.git] / configure

diff --git a/configure b/configure
index d7ca77c8a3c66052166cd0ffe78bc4704d57403a..8125fc3ccfb685ae0f8149b191a079121adfbc81 100755 (executable)
--- a/configure
+++ b/configure
@@ -29,6 +29,14 @@ config_host_h="config-host.h"
 rm -rf $config_host_mak
 rm -rf $config_host_h
 
+fatal() {
+  echo $@
+  echo "Configure failed, check config.log and/or the above output"
+  rm -rf $config_host_mak
+  rm -rf $config_host_h
+  exit 1
+}
+
 # Default CFLAGS
 CFLAGS="-D_GNU_SOURCE"
 EXTFLAGS="-include config-host.h"
@@ -70,8 +78,7 @@ do_cc() {
     echo "ERROR: configure test passed without -Werror but failed with -Werror."
     echo "This is probably a bug in the configure script. The failing command"
     echo "will be at the bottom of config.log."
-    echo "You can run configure with --disable-werror to bypass this check."
-    exit 1
+    fatal "You can run configure with --disable-werror to bypass this check."
 }
 
 compile_object() {
@@ -91,8 +98,7 @@ feature_not_found() {
   echo "ERROR"
   echo "ERROR: User requested feature $feature"
   echo "ERROR: configure was not able to find it"
-  echo "ERROR"
-  exit 1;
+  fatal "ERROR"
 }
 
 has() {
@@ -129,6 +135,8 @@ exit_val=0
 for opt do
   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
   case "$opt" in
+  --cpu=*) cpu="$optarg"
+  ;;
   --cc=*) CC="$optarg"
   ;;
   --extra-cflags=*) CFLAGS="$CFLAGS $optarg"
@@ -146,13 +154,16 @@ for opt do
 done
 
 if test "$show_help" = "yes" ; then
+  echo "--cpu=                 Specify target CPU if auto-detect fails"
   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
 
-if check_define __linux__ ; then
+if check_define __ANDROID__ ; then
+  targetos="Android"
+elif check_define __linux__ ; then
   targetos="Linux"
 elif check_define __OpenBSD__ ; then
   targetos='OpenBSD'
@@ -213,6 +224,17 @@ CYGWIN*)
   echo "CC=$CC" >> $config_host_mak
   echo "EXTFLAGS=$CFLAGS -include config-host.h -D_GNU_SOURCE" >> $config_host_mak
   exit 0
+  ;;
+Android)
+  output_sym "CONFIG_32BIT"
+  output_sym "CONFIG_LITTLE_ENDIAN"
+  output_sym "CONFIG_SOCKLEN_T"
+  output_sym "CONFIG_GETTIMEOFDAY"
+  output_sym "CONFIG_CLOCK_GETTIME"
+  output_sym "CONFIG_CLOCK_MONOTONIC"
+  echo "CC=$cc" >> $config_host_mak
+  echo "EXTFLAGS=$CFLAGS -include config-host.h -DFIO_NO_HAVE_SHM_H -D_GNU_SOURCE" >> $config_host_mak
+  exit 0
 esac
 
 if test ! -z "$cpu" ; then
@@ -276,8 +298,7 @@ case "$cpu" in
     cpu="sparc"
   ;;
   *)
-    echo "Unknown CPU"
-    exit 1;
+  echo "Unknown CPU"
   ;;
 esac
 
@@ -328,7 +349,7 @@ int main(void)
 }
 EOF
 if compile_prog "" "" "wordsize"; then
-  wordsize=$($TMPE)
+  wordsize=`$TMPE`
 fi
 echo "Wordsize                      $wordsize"
 
@@ -900,8 +921,7 @@ if test "$wordsize" = "64" ; then
 elif test "$wordsize" = "32" ; then
   output_sym "CONFIG_32BIT"
 else
-  echo "Unknown wordsize!"
-  exit 1
+  fatal "Unknown wordsize!"
 fi
 if test "$bigendian" = "yes" ; then
   output_sym "CONFIG_BIG_ENDIAN"