Merge branch 'atomics' of https://github.com/bvanassche/fio

[fio.git] / configure

diff --git a/configure b/configure
index ae2b35891f3f2fba7f72eb2caa4d2d05cf17d6d8..63b30555025e48181df38474438613b8e5cc8945 100755 (executable)
--- a/configure
+++ b/configure
@@ -44,7 +44,7 @@ print_config() {
 }
 
 # Default CFLAGS
-CFLAGS="-D_GNU_SOURCE -include config-host.h"
+CFLAGS="-D_GNU_SOURCE -include config-host.h $CFLAGS"
 BUILD_CFLAGS=""
 
 # Print a helpful header at the top of config.log
@@ -617,8 +617,25 @@ EOF
     libaio=no
     libaio_uring=no
   fi
+
+  cat > $TMPC <<EOF
+#include <libaio.h>
+#include <stddef.h>
+int main(void)
+{
+  io_prep_preadv2(NULL, 0, NULL, 0, 0, 0);
+  io_prep_pwritev2(NULL, 0, NULL, 0, 0, 0);
+  return 0;
+}
+EOF
+  if compile_prog "" "" "libaio rw flags" ; then
+    libaio_rw_flags=yes
+  else
+    libaio_rw_flags=no
+  fi
 fi
 print_config "Linux AIO support" "$libaio"
+print_config "Linux AIO support rw flags" "$libaio_rw_flags"
 print_config "Linux AIO over io_uring" "$libaio_uring"
 
 ##########################################
@@ -2531,7 +2548,7 @@ fi
 print_config "__kernel_rwf_t" "$__kernel_rwf_t"
 
 ##########################################
-# check if gcc has -Wimplicit-fallthrough
+# check if gcc has -Wimplicit-fallthrough=2
 fallthrough="no"
 cat > $TMPC << EOF
 int main(int argc, char **argv)
@@ -2539,10 +2556,10 @@ int main(int argc, char **argv)
   return 0;
 }
 EOF
-if compile_prog "-Wimplicit-fallthrough" "" "-Wimplicit-fallthrough"; then
+if compile_prog "-Wimplicit-fallthrough=2" "" "-Wimplicit-fallthrough=2"; then
   fallthrough="yes"
 fi
-print_config "-Wimplicit-fallthrough" "$fallthrough"
+print_config "-Wimplicit-fallthrough=2" "$fallthrough"
 
 ##########################################
 # check for MADV_HUGEPAGE support
@@ -2646,6 +2663,9 @@ if test "$zlib" = "yes" ; then
 fi
 if test "$libaio" = "yes" ; then
   output_sym "CONFIG_LIBAIO"
+  if test "$libaio_rw_flags" = "yes" ; then
+    output_sym "CONFIG_LIBAIO_RW_FLAGS"
+  fi
   if test "$libaio_uring" = "yes" ; then
     output_sym "CONFIG_LIBAIO_URING"
   fi