X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Faclocal.m4;h=364ff0917d715c14b52ccb330f4b10553baa078a;hp=b787f030ab532b7295313a2e2165ba7bdd31c05a;hb=b22573b1ba4b51da883fa5f805b52f153fa5fae9;hpb=96592d717179f99c8fe1c5a63fc4a26c24867288 diff --git a/test/aclocal.m4 b/test/aclocal.m4 index b787f030..364ff091 100644 --- a/test/aclocal.m4 +++ b/test/aclocal.m4 @@ -1,5 +1,5 @@ dnl*************************************************************************** -dnl Copyright (c) 2003-2015,2016 Free Software Foundation, Inc. * +dnl Copyright (c) 2003-2016,2017 Free Software Foundation, Inc. * dnl * dnl Permission is hereby granted, free of charge, to any person obtaining a * dnl copy of this software and associated documentation files (the * @@ -26,7 +26,7 @@ dnl sale, use or other dealings in this Software without prior written * dnl authorization. * dnl*************************************************************************** dnl -dnl $Id: aclocal.m4,v 1.131 2016/08/06 23:42:15 tom Exp $ +dnl $Id: aclocal.m4,v 1.138 2017/02/26 00:37:04 tom Exp $ dnl dnl Author: Thomas E. Dickey dnl @@ -89,7 +89,7 @@ define([CF_ACVERSION_COMPARE], [ifelse([$8], , ,[$8])], [ifelse([$9], , ,[$9])])])dnl dnl --------------------------------------------------------------------------- -dnl CF_ADD_CFLAGS version: 12 updated: 2015/04/12 15:39:00 +dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40 dnl ------------- dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS dnl The second parameter if given makes this macro verbose. @@ -119,10 +119,10 @@ case $cf_fix_cppflags in && cf_fix_cppflags=yes if test $cf_fix_cppflags = yes ; then - cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) continue elif test "${cf_tst_cflags}" = "\"'" ; then - cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) continue fi ;; @@ -137,17 +137,17 @@ case $cf_fix_cppflags in CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags) ;; esac - cf_new_cppflags="$cf_new_cppflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags) ;; esac ;; (*) - cf_new_cflags="$cf_new_cflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags) ;; esac ;; (yes) - cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags" + CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags) cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'` @@ -160,17 +160,17 @@ done if test -n "$cf_new_cflags" ; then ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)]) - CFLAGS="$CFLAGS $cf_new_cflags" + CF_APPEND_TEXT(CFLAGS,$cf_new_cflags) fi if test -n "$cf_new_cppflags" ; then ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)]) - CPPFLAGS="$CPPFLAGS $cf_new_cppflags" + CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags) fi if test -n "$cf_new_extra_cppflags" ; then ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)]) - EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS" + CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags) fi AC_SUBST(EXTRA_CPPFLAGS) @@ -341,6 +341,16 @@ ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&] } ])dnl dnl --------------------------------------------------------------------------- +dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55 +dnl -------------- +dnl use this macro for appending text without introducing an extra blank at +dnl the beginning +define([CF_APPEND_TEXT], +[ + test -n "[$]$1" && $1="[$]$1 " + $1="[$]{$1}$2" +])dnl +dnl --------------------------------------------------------------------------- dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31 dnl -------------- dnl Allow user to disable a normally-on option. @@ -376,11 +386,11 @@ ifelse([$3],,[ :]dnl ])dnl ])])dnl dnl --------------------------------------------------------------------------- -dnl CF_CC_ENV_FLAGS version: 4 updated: 2016/06/25 16:23:40 +dnl CF_CC_ENV_FLAGS version: 7 updated: 2017/02/25 18:57:40 dnl --------------- dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content -dnl into CC. This will not help with broken scripts that wrap the compiler with -dnl options, but eliminates a more common category of user confusion. +dnl into CC. This will not help with broken scripts that wrap the compiler +dnl with options, but eliminates a more common category of user confusion. dnl dnl In particular, it addresses the problem of being able to run the C dnl preprocessor in a consistent manner. @@ -399,9 +409,20 @@ case "$CC" in AC_MSG_RESULT(broken) AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options) # humor him... - cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]][[ ]]*//'` - CC=`echo "$CC " | sed -e 's/[[ ]]-[[IUD]][[^ ]][[^ ]]*//g' -e 's/[[ ]]*$//'` - CF_ADD_CFLAGS($cf_flags) + cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'` + cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", substr([$]0,1+length(prog))); }'` + CC="$cf_prog" + for cf_arg in $cf_flags + do + case "x$cf_arg" in + (x-[[IUDfgOW]]*) + CF_ADD_CFLAGS($cf_arg) + ;; + (*) + CC="$CC $cf_arg" + ;; + esac + done CF_VERBOSE(resulting CC: '$CC') CF_VERBOSE(resulting CFLAGS: '$CFLAGS') CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS') @@ -1108,6 +1129,46 @@ if test "$cf_disable_rpath_hack" = no ; then fi ]) dnl --------------------------------------------------------------------------- +dnl CF_ENABLE_STRING_HACKS version: 5 updated: 2016/10/08 17:34:11 +dnl ---------------------- +dnl On a few platforms, the compiler and/or loader nags with untruthful +dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect, +dnl and implying that most uses of the recommended alternatives are correct. +dnl +dnl Factually speaking, no one has actually counted the number of uses of these +dnl functions versus the total of incorrect uses. Samples of a few thousand +dnl instances are meaningless compared to the hundreds of millions of lines of +dnl existing C code. +dnl +dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some +dnl platforms, in implementations of varying quality. Likewise, snprintf is +dnl standard - but evolved through phases, and older implementations are likely +dnl to yield surprising results, as documented in manpages on various systems. +AC_DEFUN([CF_ENABLE_STRING_HACKS], +[ +AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings) +AC_ARG_ENABLE(string-hacks, + [ --enable-string-hacks work around bogus compiler/loader warnings], + [with_string_hacks=$enableval], + [with_string_hacks=no]) +AC_MSG_RESULT($with_string_hacks) + +if test "x$with_string_hacks" = "xyes"; then + AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings]) + AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings) + AC_CHECK_FUNC(strlcat,[ + AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function]) + ],[ + AC_CHECK_LIB(bsd,strlcat,[ + CF_ADD_LIB(bsd) + AC_CHECK_HEADERS(bsd/string.h) + AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function]) + ]) + ]) + AC_CHECK_FUNCS( strlcpy snprintf ) +fi +])dnl +dnl --------------------------------------------------------------------------- dnl CF_ENABLE_WARNINGS version: 4 updated: 2009/07/26 17:53:03 dnl ------------------ dnl Configure-option to enable gcc warnings @@ -1891,7 +1952,7 @@ AC_SUBST(MAKE_UPPER_TAGS) AC_SUBST(MAKE_LOWER_TAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02 +dnl CF_MATH_LIB version: 9 updated: 2017/01/21 11:06:25 dnl ----------- dnl Checks for libraries. At least one UNIX system, Apple Macintosh dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler @@ -1902,6 +1963,7 @@ AC_CACHE_CHECK(if -lm needed for math functions, cf_cv_need_libm,[ AC_TRY_LINK([ #include + #include #include ], [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)], @@ -3444,7 +3506,7 @@ esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_SOURCE version: 50 updated: 2015/10/17 19:03:33 +dnl CF_XOPEN_SOURCE version: 52 updated: 2016/08/27 12:21:42 dnl --------------- dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions, dnl or adapt to the vendor's definitions to get equivalent functionality, @@ -3464,7 +3526,7 @@ case $host_os in (aix[[4-7]]*) cf_xopen_source="-D_ALL_SOURCE" ;; -(cygwin|msys) +(msys) cf_XOPEN_SOURCE=600 ;; (darwin[[0-8]].*) @@ -3492,7 +3554,7 @@ case $host_os in cf_xopen_source="-D_SGI_SOURCE" cf_XOPEN_SOURCE= ;; -(linux*|gnu*|mint*|k*bsd*-gnu) +(linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin) CF_GNU_SOURCE ;; (minix*) @@ -3514,9 +3576,6 @@ case $host_os in (openbsd*) # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw ;; -(os2*) - cf_XOPEN_SOURCE= - ;; (osf[[45]]*) cf_xopen_source="-D_OSF_SOURCE" ;;