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timepng.c: check for clock_gettime

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Signed-off-by: John Bowler <jbowler@acm.org>
This commit is contained in:
John Bowler 2016-05-18 08:42:21 -07:00
parent bf101dcea1
commit 21f92eef89
2 changed files with 9 additions and 3 deletions
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7
Makefile.am
View File

@ -1,5 +1,3 @@
< contrib/libtests/timepng.o: pnglibconf.h
# Makefile.am: # Makefile.am:
# Source file for Makefile.in (and hence Makefile) # Source file for Makefile.in (and hence Makefile)
# #
@ -9,7 +7,10 @@ PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
ACLOCAL_AMFLAGS = -I scripts ACLOCAL_AMFLAGS = -I scripts
# test programs - run on make check, make distcheck # test programs - run on make check, make distcheck
check_PROGRAMS= pngtest pngunknown pngstest pngvalid pngimage timepng check_PROGRAMS= pngtest pngunknown pngstest pngvalid pngimage
if HAVE_CLOCK_GETTIME
check_PROGRAMS += timepng
endif
# Utilities - installed # Utilities - installed
bin_PROGRAMS= pngfix png-fix-itxt bin_PROGRAMS= pngfix png-fix-itxt

5
configure.ac
View File

@ -136,6 +136,11 @@ AC_C_RESTRICT
AC_CHECK_FUNCS([memset memcpy strncpy],, AC_CHECK_FUNCS([memset memcpy strncpy],,
AC_MSG_FAILURE([missing ANSI-C functions])) AC_MSG_FAILURE([missing ANSI-C functions]))
# Some later POSIX 1003.1 functions are required for test programs, failure here
# is soft (the corresponding test program is not built).
AC_CHECK_FUNC([clock_gettime],,[AC_MSG_WARN([not building timepng])])
AM_CONDITIONAL([HAVE_CLOCK_GETTIME], [test "$ac_cv_func_clock_gettime" = "yes"])
# floor and ceil are required for FLOATING_POINT, but they can be turned off on # floor and ceil are required for FLOATING_POINT, but they can be turned off on
# the configure command line (and they are independent.) Default is to 'on' # the configure command line (and they are independent.) Default is to 'on'
AC_ARG_ENABLE([floating-point], AC_ARG_ENABLE([floating-point],