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jmc |
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dnl util.m4--robutil macro |
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dnl Rob Earhart |
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dnl $Id: util.m4,v 1.9 2002/05/25 19:57:43 leg Exp $ |
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dnl robutil is a collection of stuff I (Rob Earhart) have found useful |
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dnl to have around when writing code; it's the stuff I wind up rewriting |
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dnl every time I start a project. This does the autoconf setup |
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dnl necessary for it. |
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dnl This is a helper macro, here because there're times when I |
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dnl want to know if a type exists or not, but don't want to define |
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dnl it to something else (the way AC_CHECK_TYPE does). |
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AC_DEFUN(CMU_CHECK_TYPE_EXISTS, [ |
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changequote(<<, >>) |
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define(<<CMU_TYPE_NAME>>, translit(CMU_HAVE_$1, [a-z *], [A-Z_P])) |
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define(<<CMU_CV_NAME>>, translit(cmu_cv_type_$1, [ *], [_p])) |
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changequote([, ]) |
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AC_REQUIRE([AC_HEADER_STDC]) |
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AC_MSG_CHECKING(for $1) |
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AC_CACHE_VAL(CMU_CV_NAME, [ |
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AC_EGREP_CPP([$1[[^a-zA-Z_0-9]]], [ |
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#include <sys/types.h> |
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#if STDC_HEADERS |
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#include <stdlib.h> |
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#include <stddef.h> |
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#endif |
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], CMU_CV_NAME=yes, CMU_CV_NAME=no)]) |
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AC_MSG_RESULT($CMU_CV_NAME) |
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if test $CMU_CV_NAME = yes; then |
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AC_DEFINE(CMU_TYPE_NAME) |
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fi |
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]) |
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AC_DEFUN(CMU_UTIL, [ |
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AC_REQUIRE([AC_PROG_CC]) |
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AC_REQUIRE([AM_PROG_CC_STDC]) |
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AC_REQUIRE([AC_PROG_RANLIB]) |
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AC_REQUIRE([CMU_NANA]) |
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AC_REQUIRE([CMU_COMERR]) |
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AC_REQUIRE([AC_HEADER_STDC]) |
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AC_REQUIRE([AC_TYPE_MODE_T]) |
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AC_REQUIRE([AC_C_CONST]) |
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AC_CHECK_HEADERS(sys/sysmacros.h) |
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AC_CHECK_HEADER(inttypes.h, AC_DEFINE(HAVE_INTTYPES_H), |
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CMU_CHECK_TYPE_EXISTS(int8_t) |
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CMU_CHECK_TYPE_EXISTS(uint8_t) |
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CMU_CHECK_TYPE_EXISTS(u_int8_t) |
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CMU_CHECK_TYPE_EXISTS(int16_t) |
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CMU_CHECK_TYPE_EXISTS(uint16_t) |
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CMU_CHECK_TYPE_EXISTS(u_int16_t) |
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CMU_CHECK_TYPE_EXISTS(int32_t) |
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CMU_CHECK_TYPE_EXISTS(uint32_t) |
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CMU_CHECK_TYPE_EXISTS(u_int32_t) |
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) |
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dnl I'm not sure why autoconf gets so annoyed when these |
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dnl are embedded as part of the inttypes check, but, whatever, |
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dnl this works. |
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if test "$ac_cv_header_inttypes_h" = no; then |
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AC_CHECK_SIZEOF(short) |
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AC_CHECK_SIZEOF(int) |
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AC_CHECK_SIZEOF(long) |
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fi |
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AC_CHECK_TYPE(ssize_t, signed) |
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THREADED_UTIL_OBJECTS="" |
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AC_SUBST(THREADED_UTIL_OBJECTS) |
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]) |
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AC_DEFUN(CMU_THREAD_UTIL, [ |
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AC_REQUIRE([CMU_UTIL]) |
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THREADED_UTIL_OBJECTS="refcache.o rselock.o" |
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]) |
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