Add libio-mtsafe flags to the build of strfromf128

Similar to the other functions in the strfrom class, strfromf128 calls
__printf_fp in order to convert the floating-point value to characters.
This requires the value of IO_MTSAFE_IO.

Tested for powerpc64le and s390x.

	* sysdeps/ieee754/float128/Makefile (CFLAGS-strfromf128.c): Add
	$(libio-mtsafe) to get the value of IO_MTSAFE_IO.

diff --git a/ChangeLog b/ChangeLog
index f63f017..4f1ef82 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2017-06-23  Gabriel F. T. Gomes  <gftg@linux.vnet.ibm.com>
 
+       * sysdeps/ieee754/float128/Makefile (CFLAGS-strfromf128.c): Add
+       $(libio-mtsafe) to get the value of IO_MTSAFE_IO.
+
+2017-06-23  Gabriel F. T. Gomes  <gftg@linux.vnet.ibm.com>
+
        * manual/libm-err-tab.pl (@all_floats, %suffices, parse_ulps):
        Enable generation of float128 entries on the error table.
 

diff --git a/sysdeps/ieee754/float128/Makefile b/sysdeps/ieee754/float128/Makefile
index 166e630..571a841 100644 (file)
--- a/sysdeps/ieee754/float128/Makefile
+++ b/sysdeps/ieee754/float128/Makefile
@@ -1,6 +1,10 @@
 ifeq ($(subdir),stdlib)
 routines += float1282mpn strfromf128
 routines += strtof128 strtof128_l strtof128_nan mpn2float128
+
+# The strfrom class of functions call __printf_fp in order to convert the
+# floating-point value to characters.  This requires the value of IO_MTSAFE_IO.
+CFLAGS-strfromf128.c += $(libio-mtsafe)
 endif
 
 ifeq ($(subdir),wcsmbs)