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AC_INIT([timer], [0.1], [the_jk@yahoo.com])
AC_CONFIG_MACRO_DIR([m4])
AC_ISC_POSIX
AC_HEADER_STDC
AC_C_CONST
AC_C_INLINE
#AC_C_BIGENDIAN
AC_C___ATTRIBUTE__
#AC_PROG_RANLIB
AM_INIT_AUTOMAKE([dist-bzip2 foreign color-tests parallel-tests])
AM_SILENT_RULES([yes])
AC_PROG_CC
AM_PROG_CC_C_O
DEFINES="-D_GNU_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE"
AX_CFLAGS_WARN_ALL([DEFINES])
AC_ARG_ENABLE([debug], AC_HELP_STRING([compile with debug options]),
if test "x$enableval" = "xyes"; then
DEFINES="$DEFINES -g -DDEBUG"
fi)
AC_SUBST([DEFINES])
# Common
AC_HEADER_STDBOOL
AC_SEARCH_LIBS([round], [m],, AC_MSG_ERROR([need round]))
# Threads
AC_CHECK_HEADER([pthread.h],have_pthread=1,have_pthread=0)
if test "x$have_pthread" = "x1"; then
OLDCFLAGS="$CFLAGS"
OLDLDFLAGS="$LDFLAGS"
CFLAGS="$OLDCFLAGS -pthread"
LDFLAGS="$OLDLDFLAGS -pthread"
AC_SEARCH_LIBS([pthread_create], [pthread],, have_pthread=0)
LDFLAGS="$OLDLDFLAGS"
CFLAGS="$OLDCFLAGS"
if test "x$have_pthread" = "x1"; then
DEFINES="$DEFINES -pthread"
LIBS="$LIBS -pthread"
fi
fi
AM_CONDITIONAL([HAVE_PTHREAD], [test "x$have_pthread" = "x1"])
if test "x$have_pthread" = "x0"; then
AC_MSG_ERROR([no thread implementation found])
fi
# timeval
# clock
have_clock_gettime=0
have_clock_nanosleep=0
CLOCK_LIBS=
AC_MSG_CHECKING([for clock_gettime])
AC_LINK_IFELSE([AC_LANG_CALL([], [clock_gettime])],
AC_MSG_RESULT([yes])
have_clock_gettime=1,
AC_MSG_RESULT([no])
OLDLIBS="$LIBS"
LIBS="$LIBS -lrt"
AC_MSG_CHECKING([for clock_gettime in -lrt])
AC_LINK_IFELSE([AC_LANG_CALL([], [clock_gettime])],
AC_MSG_RESULT([yes])
have_clock_gettime=1
CLOCK_LIBS="$CLOCK_LIBS -lrt",
AC_MSG_RESULT([no]))
LIBS="$OLDLIBS")
AC_DEFINE_UNQUOTED([HAVE_CLOCK_GETTIME], [$have_clock_gettime], [define to 1 if clock_gettime is available])
AC_MSG_CHECKING([for clock_nanosleep])
AC_LINK_IFELSE([AC_LANG_CALL([], [clock_nanosleep])],
AC_MSG_RESULT([yes])
have_clock_nanosleep=1,
AC_MSG_RESULT([no])
OLDLIBS="$LIBS"
LIBS="$LIBS -lrt"
AC_MSG_CHECKING([for clock_nanosleep in -lrt])
AC_LINK_IFELSE([AC_LANG_CALL([], [clock_nanosleep])],
AC_MSG_RESULT([yes])
have_clock_nanosleep=1
CLOCK_LIBS="$CLOCK_LIBS -lrt",
AC_MSG_RESULT([no]))
LIBS="$OLDLIBS")
AC_DEFINE_UNQUOTED([HAVE_CLOCK_NANOSLEEP], [$have_clock_nanosleep], [define to 1 if clock_nanosleep is available])
AC_SUBST([CLOCK_LIBS])
# XCB
PKG_PROG_PKG_CONFIG()
xcb_modules="xcb xcb-event xcb-keysyms"
PKG_CHECK_EXISTS([xcb-icccm >= 0.3.8],
[have_xcb_icccm=1
xcb_modules="$xcb_modules xcb-icccm"],[have_xcb_icccm=0])
PKG_CHECK_MODULES([XCB], [$xcb_modules])
AC_DEFINE_UNQUOTED([HAVE_XCB_ICCCM],[$have_xcb_icccm],[define to 1 if xcb-icccm is available])
# Finish up
AC_CONFIG_HEADERS([config.h])
AC_OUTPUT([Makefile src/Makefile])
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