diff options
Diffstat (limited to 'Build/source/texk/windvi/aclocal.m4')
-rw-r--r-- | Build/source/texk/windvi/aclocal.m4 | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Build/source/texk/windvi/aclocal.m4 b/Build/source/texk/windvi/aclocal.m4 new file mode 100644 index 00000000000..e05ecd84729 --- /dev/null +++ b/Build/source/texk/windvi/aclocal.m4 @@ -0,0 +1,72 @@ +dnl ### Determine integer type to use for bitmaps + +AC_DEFUN(XDVI_C_BITMAP_TYPE, +[AC_MSG_CHECKING(for integer type to use in bitmaps) +AC_CACHE_VAL(xdvi_cv_bitmap_type, +[AC_TRY_RUN( +[#include <stdio.h> +main() +{ + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); + if ((sizeof(unsigned long) == 4 || sizeof(unsigned long) == 2) + && sizeof(unsigned long) != sizeof(unsigned int)) + fprintf(f, "BMTYPE=long BMBYTES=%d\n", sizeof(unsigned long)); + if (sizeof(unsigned int) == 4 || sizeof(unsigned int) == 2) + fprintf(f, "BMTYPE=int BMBYTES=%d\n", sizeof(unsigned int)); + else if (sizeof(unsigned short) == 4 || sizeof(unsigned short) == 2) + fprintf(f, "BMTYPE=short BMBYTES=%d\n", sizeof(unsigned short)); + else fprintf(f, "BMTYPE=char BMBYTES=%d\n", sizeof(unsigned char)); + exit(0); +}], +xdvi_cv_bitmap_type="`cat conftestval`", +AC_MSG_ERROR(could not determine integer type for bitmap))]) +eval "$xdvi_cv_bitmap_type" +AC_DEFINE_UNQUOTED(BMTYPE, $BMTYPE) +AC_DEFINE_UNQUOTED(BMBYTES, $BMBYTES) +AC_MSG_RESULT([unsigned $BMTYPE, size = $BMBYTES])]) + + +dnl ### Check for at-least-pretend Streams capability + +AC_DEFUN(XDVI_SYS_STREAMS, +[AC_CACHE_CHECK([for stropts.h and isastream()], xdvi_cv_sys_streams, +[AC_TRY_LINK( +[#include <stropts.h> +], [#ifndef I_SETSIG +choke me +#else +isastream(0); +#endif], xdvi_cv_sys_streams=yes, xdvi_cv_sys_streams=no)]) +if test $xdvi_cv_sys_streams = yes; then + AC_DEFINE(HAVE_STREAMS) +fi]) + + +dnl ### Check for poll() + +AC_DEFUN(XDVI_FUNC_POLL, +[AC_CACHE_CHECK([for poll.h and poll()], xdvi_cv_func_poll, +[AC_TRY_LINK( +[#include <poll.h> +], [poll((struct pollfd *) 0, 0, 0);], +xdvi_cv_func_poll=yes, xdvi_cv_func_poll=no)]) +if test $xdvi_cv_func_poll = yes; then + AC_DEFINE(HAVE_POLL) +else + AC_CHECK_HEADERS(sys/select.h select.h) +fi]) + + +dnl ### Check for SunOS 4 + +AC_DEFUN(XDVI_SYS_SUNOS_4, +[AC_CACHE_CHECK([for SunOS 4], xdvi_cv_sys_sunos_4, +[case "`(uname -sr) 2>/dev/null`" in +"SunOS 4."*) + xdvi_cv_sys_sunos_4=yes ;; +*) xdvi_cv_sys_sunos_4=no ;; +esac]) +if test $xdvi_cv_sys_sunos_4 = yes; then + AC_DEFINE(SUNOS4) +fi]) |