[Xen-devel] [PATCH 1 of 4 v7/leftover] libxl: kill the need for checking and linking to libm

[Dario Faggioli <raistlin@xxxxxxxx>]

Which was introduced in 7b0dc7f3ddfe. This is because the NUMA
placement heuristic does not need FP arith anymore.

As usual when changing configure.ac, remember to rerun autoconf
after applying this change.

Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>

diff --git a/tools/configure.ac b/tools/configure.ac
--- a/tools/configure.ac
+++ b/tools/configure.ac
@@ -137,7 +137,6 @@ AC_CHECK_LIB([lzo2], [lzo1x_decompress],
 AC_SUBST(zlib)
 AC_CHECK_LIB([aio], [io_setup], [system_aio="y"], [system_aio="n"])
 AC_SUBST(system_aio)
-AC_CHECK_LIB([m], [isnan], [], [AC_MSG_ERROR([Could not find libm])])
 AC_CHECK_LIB([crypto], [MD5], [], [AC_MSG_ERROR([Could not find libcrypto])])
 AC_CHECK_LIB([ext2fs], [ext2fs_open2], [libext2fs="y"], [libext2fs="n"])
 AC_SUBST(libext2fs)
diff --git a/tools/libxl/Makefile b/tools/libxl/Makefile
--- a/tools/libxl/Makefile
+++ b/tools/libxl/Makefile
@@ -61,7 +61,7 @@ ifeq ($(BISON),)
                  scanners, please install it an rerun configure)
 endif
 
-LIBXL_LIBS += -lyajl -lm
+LIBXL_LIBS += -lyajl
 
 LIBXL_OBJS = flexarray.o libxl.o libxl_create.o libxl_dm.o libxl_pci.o \
                        libxl_dom.o libxl_exec.o libxl_xshelp.o libxl_device.o \

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