The following changes since commit 2c2c93d8bd89c0cb15fc2430f9838744153a3946:
t/genzipf: fix for strcasestr missing (2015-12-28 17:39:22 -0700)
are available in the git repository at:
git://git.kernel.dk/fio.git master
for you to fetch changes up to de26b8245b06c99ec64d9f88cfde1ed9627f871a:
configure: add --enable-lex (2015-12-29 20:58:13 -0700)
----------------------------------------------------------------
Jens Axboe (3):
t/dedupe: silence bogus warning on 'bytes' being used uninitialized
configure: check if lex requires/fails with -o for output
configure: add --enable-lex
Makefile | 4 ++++
configure | 26 ++++++++++++++++++++++++--
t/dedupe.c | 2 +-
3 files changed, 29 insertions(+), 3 deletions(-)
---
Diff of recent changes:
diff --git a/Makefile b/Makefile
index 510e257..1b5c9a6 100644
--- a/Makefile
+++ b/Makefile
@@ -297,7 +297,11 @@ override CFLAGS += -DFIO_VERSION='"$(FIO_VERSION)"'
ifdef CONFIG_ARITHMETIC
lex.yy.c: exp/expression-parser.l
+ifdef CONFIG_LEX_USE_O
$(QUIET_LEX)$(LEX) -o $@ $<
+else
+ $(QUIET_LEX)$(LEX) $<
+endif
lex.yy.o: lex.yy.c y.tab.h
$(QUIET_CC)$(CC) -o $@ $(CFLAGS) $(CPPFLAGS) -c $<
diff --git a/configure b/configure
index af26165..e92e96b 100755
--- a/configure
+++ b/configure
@@ -135,7 +135,7 @@ show_help="no"
exit_val=0
gfio_check="no"
libhdfs="no"
-disable_lex="no"
+disable_lex=""
prefix=/usr/local
# parse options
@@ -171,6 +171,8 @@ for opt do
;;
--disable-lex) disable_lex="yes"
;;
+ --enable-lex) disable_lex="no"
+ ;;
--disable-shm) no_shm="yes"
;;
--disable-optimizations) disable_opt="yes"
@@ -198,6 +200,7 @@ if test "$show_help" = "yes" ; then
echo "--disable-gfapi Disable gfapi"
echo "--enable-libhdfs Enable hdfs support"
echo "--disable-lex Disable use of lex/yacc for math"
+ echo "--enable-lex Enable use of lex/yacc for math"
echo "--disable-shm Disable SHM support"
echo "--disable-optimizations Don't enable compiler optimizations"
exit $exit_val
@@ -240,6 +243,12 @@ fi
# cross-compiling to one of these OSes then you'll need to specify
# the correct CPU with the --cpu option.
case $targetos in
+AIX)
+ # Unless explicitly enabled, turn off lex.
+ if test -z "$disable_lex" ; then
+ disable_lex="yes"
+ fi
+ ;;
Darwin)
# on Leopard most of the system is 32-bit, so we have to ask the kernel if
# we can run 64-bit userspace code.
@@ -1455,7 +1464,7 @@ yacc="no"
yacc_is_bison="no"
lex="no"
arith="no"
-if test "$disable_lex" = "no"; then
+if test "$disable_lex" = "no" || test -z "$disable_lex" ; then
if test "$targetos" != "SunOS" ; then
LEX=$(which lex 2> /dev/null)
if test -x "$LEX" ; then
@@ -1494,6 +1503,16 @@ fi
fi
fi
+# Check if lex fails using -o
+if test "$arith" = "yes" ; then
+$LEX -o lex.yy.c exp/expression-parser.l 2> /dev/null
+if test "$?" = "0" ; then
+ lex_use_o="yes"
+else
+ lex_use_o="no"
+fi
+fi
+
echo "lex/yacc for arithmetic $arith"
##########################################
@@ -1756,6 +1775,9 @@ if test "$arith" = "yes" ; then
else
echo "YACC=$YACC" >> $config_host_mak
fi
+ if test "$lex_use_o" = "yes" ; then
+ echo "CONFIG_LEX_USE_O=y" >> $config_host_mak
+ fi
fi
if test "$getmntent" = "yes" ; then
output_sym "CONFIG_GETMNTENT"
diff --git a/t/dedupe.c b/t/dedupe.c
index e1cea50..3a66820 100644
--- a/t/dedupe.c
+++ b/t/dedupe.c
@@ -84,7 +84,7 @@ static uint64_t get_size(struct fio_file *f, struct stat *sb)
uint64_t ret;
if (S_ISBLK(sb->st_mode)) {
- unsigned long long bytes;
+ unsigned long long bytes = 0;
if (blockdev_size(f, &bytes)) {
log_err("dedupe: failed getting bdev size\n");
--
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