diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 56 |
1 files changed, 48 insertions, 8 deletions
@@ -474,13 +474,53 @@ fi AC_LANG_POP(C++)])dnl dnl dnl -dnl Check for mkstemp() and its function prototype. +dnl If mkstemp() isn't available, use our own mkstemp.cc file. dnl AC_DEFUN(GROFF_MKSTEMP, -[AC_CHECK_FUNC(mkstemp, -[AC_DEFINE(HAVE_MKSTEMP) -AC_MSG_CHECKING([for mkstemp prototype in <stdlib.h>]) -AC_EGREP_CPP(mkstemp, -[#include <stdlib.h>], -AC_MSG_RESULT(yes);AC_DEFINE(HAVE_MKSTEMP_PROTO), -AC_MSG_RESULT(no))])]) +[AC_LANG_PUSH(C++) +AC_LIBSOURCE(mkstemp.cc) +AC_CHECK_FUNC(mkstemp, , [_AC_LIBOBJ(mkstemp)]) +AC_LANG_POP(C++)])dnl +dnl +dnl +dnl Test whether <inttypes.h> exists, doesn't clash with <sys/types.h>, +dnl and declares uintmax_t. Taken from the fileutils package. +dnl +AC_DEFUN(GROFF_INTTYPES_H, +[AC_LANG_PUSH(C++) +AC_MSG_CHECKING([for inttypes.h]) +AC_TRY_COMPILE([#include <sys/types.h> +#include <inttypes.h>], +[uintmax_t i = (uintmax_t)-1;], +groff_cv_header_inttypes_h=yes, +groff_cv_header_inttypes_h=no) +AC_MSG_RESULT($groff_cv_header_inttypes_h) +AC_LANG_POP(C++)])dnl +dnl +dnl +dnl Test for working `unsigned long long'. Taken from the fileutils package. +dnl +AC_DEFUN(GROFF_UNSIGNED_LONG_LONG, +[AC_LANG_PUSH(C++) +AC_MSG_CHECKING([for unsigned long long]) +AC_TRY_LINK([unsigned long long ull = 1; int i = 63;], +[unsigned long long ullmax = (unsigned long long)-1; +return ull << i | ull >> i | ullmax / ull | ullmax % ull;], +groff_cv_type_unsigned_long_long=yes, +groff_cv_type_unsigned_long_long=no) +AC_MSG_RESULT($groff_cv_type_unsigned_long_long) +AC_LANG_POP(C++)])dnl +dnl +dnl +dnl Define uintmax_t to `unsigned long' or `unsigned long long' +dnl if <inttypes.h> does not exist. Taken from the fileutils package. +dnl +AC_DEFUN(GROFF_UINTMAX_T, +[AC_REQUIRE([GROFF_INTTYPES_H]) +if test $groff_cv_header_inttypes_h = no; then + AC_REQUIRE([GROFF_UNSIGNED_LONG_LONG]) + test $groff_cv_type_unsigned_long_long = yes \ + && ac_type='unsigned long long' \ + || ac_type='unsigned long' + AC_DEFINE_UNQUOTED(uintmax_t, $ac_type) +fi])dnl |