X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=configure.in;h=aa90570ab9c54bfc87c0fb49ee2bbff99a7351d2;hp=acc5cb709a7a2bd42108730d075193937b508464;hb=f259fb41d8f08b7e042eb928b839b59c8e39098c;hpb=3b3a6d094f484e799b1430782f1130a9af71a94e diff --git a/configure.in b/configure.in index acc5cb70..aa90570a 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ dnl*************************************************************************** -dnl Copyright 2018-2019,2020 Thomas E. Dickey * +dnl Copyright 2018-2020,2021 Thomas E. Dickey * dnl Copyright 1998-2017,2018 Free Software Foundation, Inc. * dnl * dnl Permission is hereby granted, free of charge, to any person obtaining a * @@ -29,7 +29,7 @@ dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey 1995-on dnl -dnl $Id: configure.in,v 1.713 2020/08/01 21:07:44 tom Exp $ +dnl $Id: configure.in,v 1.734 2021/07/03 14:51:53 tom Exp $ dnl Process this file with autoconf to produce a configure script. dnl dnl For additional information, see @@ -37,8 +37,8 @@ dnl https://invisible-island.net/autoconf/ dnl https://invisible-island.net/autoconf/my-autoconf.html dnl dnl --------------------------------------------------------------------------- -AC_PREREQ(2.52.20200111) -AC_REVISION($Revision: 1.713 $) +AC_PREREQ(2.52.20210101) +AC_REVISION($Revision: 1.734 $) AC_INIT(ncurses/base/lib_initscr.c) AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin) @@ -144,7 +144,7 @@ else fi CF_GXX_VERSION -case $GXX_VERSION in +case "$GXX_VERSION" in ([[1-9]][[0-9]].*) ;; (1.*|2.[[0-6]]*) @@ -183,7 +183,7 @@ AC_ARG_WITH(progs, [cf_with_progs=yes]) AC_MSG_RESULT($cf_with_progs) -if test -f $srcdir/tack/tack.h; then +if test -f "$srcdir/tack/tack.h" ; then if test "x$cross_compiling" = xyes ; then CF_VERBOSE(ignoring tack because we are cross-compiling) cf_with_tack=no @@ -221,7 +221,6 @@ modules_to_build="$modules_to_build panel menu form" AC_ARG_PROGRAM CF_PROG_AWK -CF_PROG_EGREP CF_PROG_INSTALL CF_PROG_LINT CF_PROG_LN_S @@ -281,6 +280,7 @@ fi # do this after mixed-case option (tags/TAGS is not as important as tic). AC_PROG_MAKE_SET +CF_MAKE_PHONY CF_MAKE_TAGS CF_MAKEFLAGS @@ -312,7 +312,7 @@ CF_HELP_MESSAGE(Build-Tools Needed to Compile Temporary Applications for Cross-c # options. The configure script is oriented toward identifying the host # compiler, etc., but we need a build compiler to generate parts of the source. -case $cf_cv_system_name in +case "$cf_cv_system_name" in (*-msvc*) LDFLAGS="$LDFLAGS user32.lib" export LDFLAGS @@ -451,7 +451,7 @@ fi AC_SUBST(CXX_G_OPT) AC_MSG_CHECKING(for default loader flags) -case $DFT_LWR_MODEL in +case "$DFT_LWR_MODEL" in (libtool) LD_MODEL='' ;; (normal) LD_MODEL='' ;; (debug) LD_MODEL=$CC_G_OPT ;; @@ -461,7 +461,7 @@ esac AC_SUBST(LD_MODEL)dnl the type of link (e.g., -g or -pg) AC_MSG_RESULT($LD_MODEL) -case $DFT_LWR_MODEL in +case "$DFT_LWR_MODEL" in (shared) CF_ENABLE_RPATH AC_MSG_CHECKING(if shared libraries should be relinked during install) @@ -476,8 +476,8 @@ esac # we will build libraries one-level down. rel_builddir=.. CF_SHARED_OPTS -for model in $cf_list_models; do - case $model in +for model in $cf_list_models ; do + case "$model" in (libtool) CF_WITH_LIBTOOL_OPTS CF_WITH_EXPORT_SYMS @@ -490,7 +490,7 @@ for model in $cf_list_models; do AC_MSG_CHECKING(if current CFLAGS link properly) AC_TRY_LINK( [#include ], - [printf("Hello work\n");], + [printf("Hello work\\n");], [cf_cflags_work=yes], [cf_cflags_work=no]) AC_MSG_RESULT($cf_cflags_work) @@ -554,7 +554,7 @@ fi ### Depending on the system, someone may use rpath to build ncurses but not # want users of the package to rely upon that feature. Give those people an # option to suppress that detail from EXTRA_LDFLAGS. -EXTRA_PKG_LDFLAGS="$EXTRA_LDFLAGS" +EXTRA_PKG_LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS" if test -n "$EXTRA_PKG_LDFLAGS" then AC_MSG_CHECKING(if you want to disable extra LDFLAGS for package-scripts) @@ -577,7 +577,7 @@ EXTRA_SUFFIX= AC_ARG_WITH(extra-suffix, [ --with-extra-suffix=X append extra suffix to header/library paths], [case x$withval in - (no) + (xno) ;; (xyes|x) EXTRA_SUFFIX=$cf_cv_abi_version @@ -605,7 +605,7 @@ AC_ARG_ENABLE(database, [use_database=yes]) AC_MSG_RESULT($use_database) -case $host_os in +case "$host_os" in (os2*) TERMINFO_SRC='${top_srcdir}/misc/emx.src' ;; @@ -654,33 +654,38 @@ case ".$with_fallback" in ;; esac -USE_FALLBACKS= -test -z "$FALLBACK_LIST" && USE_FALLBACKS="#" -AC_SUBST(FALLBACK_LIST) -AC_SUBST(USE_FALLBACKS) - # The fallback feature in ncurses relies upon tic/infocmp outside the build # tree for generating the terminal descriptions that will be compiled into the # library. If your toolchain is old, it may not handle current terminal # databases. Use configure-options to point to the tools which will be used, # rather than the first ones found on the $PATH. +AC_CHECK_TOOL(TIC, tic) +AC_CHECK_TOOL(INFOCMP, infocmp) if test -n "$FALLBACK_LIST" then CF_WITH_PATH_PROG(TIC, tic, [for fallbacks], $PATH:/usr/local/ncurses/bin) CF_WITH_PATH_PROG(INFOCMP, infocmp, [for fallbacks], $PATH:/usr/local/ncurses/bin) -else - : ${TIC:=tic} - : ${INFOCMP:=infocmp} + test -z "$TIC" && FALLBACK_LIST= + test -z "$INFOCMP" && FALLBACK_LIST= + if test -z "$FALLBACK_LIST" + then + AC_MSG_WARN(ignoring fallback option because tic/infocmp are not available) + fi fi AC_SUBST(TIC) AC_SUBST(INFOCMP) +USE_FALLBACKS= +test -z "$FALLBACK_LIST" && USE_FALLBACKS="#" +AC_SUBST(FALLBACK_LIST) +AC_SUBST(USE_FALLBACKS) + AC_MSG_CHECKING(if you want modern xterm or antique) AC_ARG_WITH(xterm-new, [ --without-xterm-new specify if xterm terminfo should be old version], [with_xterm_new=$withval], [with_xterm_new=yes]) -case $with_xterm_new in +case "$with_xterm_new" in (no) with_xterm_new=xterm-old;; (*) with_xterm_new=xterm-new;; esac @@ -840,13 +845,21 @@ AC_ARG_ENABLE(home-terminfo, AC_MSG_RESULT($with_home_terminfo) test "x$with_home_terminfo" = "xyes" && AC_DEFINE(USE_HOME_TERMINFO,1,[Define to 1 if $HOME/.terminfo feature is wanted]) -AC_MSG_CHECKING(if you want to use restricted environment when running as root) +AC_MSG_CHECKING(if you want to permit root to use ncurses environment variables) AC_ARG_ENABLE(root-environ, - [ --disable-root-environ restrict environment when running as root], + [ --disable-root-environ restrict root use of ncurses environment variables], [with_root_environ=$enableval], [with_root_environ=yes]) AC_MSG_RESULT($with_root_environ) -test "x$with_root_environ" = xyes && AC_DEFINE(USE_ROOT_ENVIRON,1,[Define to 1 if environment should be restricted for root user]) +test "x$with_root_environ" = xyes && AC_DEFINE(USE_ROOT_ENVIRON,1,[Define to 1 if root is allowed to use ncurses environment]) + +AC_MSG_CHECKING(if you want to permit setuid programs to access all files) +AC_ARG_ENABLE(root-environ, + [ --disable-root-access restrict file-access when running setuid], + [with_root_access=$enableval], + [with_root_access=yes]) +AC_MSG_RESULT($with_root_access) +test "x$with_root_access" = xyes && AC_DEFINE(USE_ROOT_ACCESS,1,[Define to 1 if setuid is allowed all file-access]) ### Use option --enable-symlinks to make tic use symlinks, not hard links ### to reduce storage requirements for the terminfo database. @@ -1542,7 +1555,39 @@ AC_ARG_ENABLE(wgetch-events, [with_wgetch_events=$enableval], [with_wgetch_events=no]) AC_MSG_RESULT($with_wgetch_events) -test "x$with_wgetch_events" = xyes && AC_DEFINE(NCURSES_WGETCH_EVENTS,1,[Define to 1 to compile with wgetch-events code]) +if test "x$with_wgetch_events" = xyes ; then + AC_DEFINE(NCURSES_WGETCH_EVENTS,1,[Define to 1 to compile with wgetch-events code]) + NCURSES_WGETCH_EVENTS=1 +else + NCURSES_WGETCH_EVENTS=0 +fi +AC_SUBST(NCURSES_WGETCH_EVENTS) + +case "$cf_cv_system_name" in +(*mingw32*|*mingw64*|*-msvc*) + AC_MSG_CHECKING(if you want experimental-Windows driver) + AC_ARG_ENABLE(exp-win32, + [ --enable-exp-win32 compile with experimental-Windows driver], + [with_exp_win32=$enableval], + [with_exp_win32=no]) + AC_MSG_RESULT($with_exp_win32) + if test "x$with_exp_win32" = xyes + then + AC_DEFINE(EXP_WIN32_DRIVER,1,[Define to 1 to compile with experimental win32 driver]) + EXP_WIN32_DRIVER=1 + INTERNALS_HDR='[$](INCDIR)/nc_win32.h' + else + INTERNALS_HDR='[$](INCDIR)/nc_mingw.h' + EXP_WIN32_DRIVER=0 + fi + ;; +(*) + EXP_WIN32_DRIVER=0 + INTERNALS_HDR= + ;; +esac +AC_SUBST(EXP_WIN32_DRIVER) +AC_SUBST(INTERNALS_HDR) ############################################################################### CF_HELP_MESSAGE(Testing/development Options:) @@ -1577,20 +1622,14 @@ fi AC_SUBST(INSTALL_OPT_P) ### use option --enable-warnings to turn on all gcc warnings -AC_MSG_CHECKING(if you want to see compiler warnings) -AC_ARG_ENABLE(warnings, - [ --enable-warnings build: turn on GCC compiler warnings], - [with_warnings=$enableval]) -AC_MSG_RESULT($with_warnings) +CF_ENABLE_WARNINGS(Wno-unknown-pragmas Wswitch-enum,yes) -if test "x$with_warnings" = "xyes"; then +if test "x$enable_warnings" = "xyes"; then CF_ADD_ADAFLAGS(-gnatg) - CF_GCC_WARNINGS(Wno-unknown-pragmas Wswitch-enum) if test "x$cf_with_cxx" = xyes ; then CF_GXX_WARNINGS(Wno-unused) fi fi -CF_GCC_ATTRIBUTES CF_ENABLE_STRING_HACKS ### use option --enable-assertions to turn on generation of assertion code @@ -1655,9 +1694,13 @@ AC_SUBST(ADA_TRACE) CF_DISABLE_GNAT_PROJECTS ### Checks for libraries. -case $cf_cv_system_name in +case "$cf_cv_system_name" in (*mingw32*|*mingw64*) + if test "x$with_exp_win32" = xyes ; then + CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -DWIN32_LEAN_AND_MEAN" + else CPPFLAGS="$CPPFLAGS -DWINVER=0x0501 -DWIN32_LEAN_AND_MEAN" + fi # Note: WINVER may be a problem with Windows 10 ;; (*) @@ -1716,7 +1759,7 @@ AC_C_CONST CF_C_INLINE(NCURSES_INLINE,1200) CF_SIG_ATOMIC_T -if test $NCURSES_CHTYPE = auto ; then +if test "$NCURSES_CHTYPE" = auto ; then CF_TYPEOF_CHTYPE else cf_cv_typeof_chtype=$NCURSES_CHTYPE @@ -1730,7 +1773,7 @@ test ".$cf_cv_unsigned_literals" = .yes && cf_cv_1UL="${cf_cv_1UL}U" test ".$cf_cv_typeof_chtype" = .long && cf_cv_1UL="${cf_cv_1UL}L" AC_SUBST(cf_cv_1UL) -if test $NCURSES_MMASK_T = auto ; then +if test "$NCURSES_MMASK_T" = auto ; then cf_cv_typeof_mmask_t=long else cf_cv_typeof_mmask_t=$NCURSES_MMASK_T @@ -1758,6 +1801,7 @@ select \ setbuf \ setbuffer \ setenv \ +setfsuid \ setvbuf \ sigaction \ sigvec \ @@ -1834,7 +1878,7 @@ if test "$with_hashed_db" != no ; then fi dnl We'll do our own -g libraries, unless the user's overridden via $CFLAGS -if test -z "$cf_user_CFLAGS" && test "$with_no_leaks" = no ; then +if test -z "$cf_user_CFLAGS" && test "$enable_leaks" = yes ; then CF_STRIP_G_OPT(CFLAGS) CF_STRIP_G_OPT(CXXFLAGS) fi @@ -1848,7 +1892,7 @@ if test -n "$CXX" ; then CF_STDCPP_LIBRARY CF_PROG_CC_C_O(CXX,[$CXXFLAGS $CPPFLAGS]) - case $GXX_VERSION in + case "$GXX_VERSION" in (1.*|2.[[0-6]]*|[[1-9]][[0-9]].*) cf_cxx_library=yes ;; @@ -1905,11 +1949,11 @@ AC_SUBST(CXXLIBS) # specify the type of bool in a configure-script option and postpone # integration with the C++ compiler provided that the types are compatible. USE_CXX_BOOL=1 -if test $cf_cv_cc_bool_type = 1 +if test "$cf_cv_cc_bool_type" = 1 then # oops: C has a bool. Unlikely, but C++ could differ. USE_CXX_BOOL=0 -elif test $cf_cv_builtin_bool = 0 +elif test "$cf_cv_builtin_bool" = 0 then # C++ has no bool USE_CXX_BOOL=0 @@ -2018,15 +2062,27 @@ LIB_SUBSETS="${LIB_SUBSETS}base" # base library (so it resides in base). if test "$with_term_driver" != no ; then LIB_SUBSETS="${LIB_SUBSETS}+port_drivers" - case $cf_cv_system_name in + case "$cf_cv_system_name" in (*mingw32*|*mingw64*) - LIB_SUBSETS="${LIB_SUBSETS}+port_tinfo+port_win32con" + if test "x$with_exp_win32" = xyes ; then + LIB_SUBSETS="${LIB_SUBSETS}+port_tinfo+port_win32" + else + LIB_SUBSETS="${LIB_SUBSETS}+port_tinfo+port_win32con" + fi CPPFLAGS="$CPPFLAGS -DUSE_WIN32CON_DRIVER" ;; (*) LIB_SUBSETS="${LIB_SUBSETS}+port_tinfo" ;; esac +elif test "x$with_exp_win32" = xyes ; then + case "$cf_cv_system_name" in + (*mingw32*|*mingw64*) + LIB_SUBSETS="${LIB_SUBSETS}+port_win32" + ;; + (*) + ;; + esac fi test "x$with_widec" = xyes && LIB_SUBSETS="${LIB_SUBSETS}+widechar" @@ -2072,8 +2128,8 @@ fi # do not want -ldl in build except as needed for -lncurses dependency if test "x$with_dlsym" = xyes ; then -if test $DFT_LWR_MODEL = shared || \ - test $DFT_LWR_MODEL = libtool ; then +if test "$DFT_LWR_MODEL" = shared || \ + test "$DFT_LWR_MODEL" = libtool ; then CF_REMOVE_LIB(LIBS,$LIBS,dl) fi fi @@ -2101,9 +2157,9 @@ if test "$with_ticlib" != no ; then if test "x$with_ticlib" != xyes ; then TICS_NAME=$with_ticlib - TICS_SUFFIX="`echo ${DFT_LIB_SUFFIX}|sed -e "s/^${USE_LIB_SUFFIX}//"`" - TICS_ARG_SUFFIX="${with_ticlib}`echo ${USE_ARG_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`" - TICS_DEP_SUFFIX="${with_ticlib}`echo ${DFT_DEP_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`" + TICS_SUFFIX="`echo "${DFT_LIB_SUFFIX}" |sed -e "s/^${USE_LIB_SUFFIX}//"`" + TICS_ARG_SUFFIX="${with_ticlib}`echo "${USE_ARG_SUFFIX}" |sed -e "s/^${LIB_SUFFIX}//"`" + TICS_DEP_SUFFIX="${with_ticlib}`echo "${DFT_DEP_SUFFIX}" |sed -e "s/^${LIB_SUFFIX}//"`" TICS_LIB_SUFFIX="${with_ticlib}" else TICS_SUFFIX=${DFT_LIB_SUFFIX} @@ -2128,9 +2184,9 @@ if test "$with_termlib" != no ; then if test "x$with_termlib" != xyes ; then TINFO_NAME=$with_termlib - TINFO_SUFFIX="`echo ${DFT_LIB_SUFFIX}|sed -e "s/^${USE_LIB_SUFFIX}//"`" - TINFO_ARG_SUFFIX="${with_termlib}`echo ${USE_ARG_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`" - TINFO_DEP_SUFFIX="${with_termlib}`echo ${DFT_DEP_SUFFIX}|sed -e "s/^${LIB_SUFFIX}//"`" + TINFO_SUFFIX="`echo "${DFT_LIB_SUFFIX}" |sed -e "s/^${USE_LIB_SUFFIX}//"`" + TINFO_ARG_SUFFIX="${with_termlib}`echo "${USE_ARG_SUFFIX}" |sed -e "s/^${LIB_SUFFIX}//"`" + TINFO_DEP_SUFFIX="${with_termlib}`echo "${DFT_DEP_SUFFIX}" |sed -e "s/^${LIB_SUFFIX}//"`" TINFO_LIB_SUFFIX="${with_termlib}" else TINFO_SUFFIX=${DFT_LIB_SUFFIX} @@ -2178,7 +2234,7 @@ else fi if test "$DFT_LWR_MODEL" = shared ; then - case $cf_cv_system_name in + case "$cf_cv_system_name" in (cygwin*|msys*) # "lib" files have ".dll.a" suffix, "cyg"or "msys-" files have ".dll" TINFO_SUFFIX=.dll @@ -2204,7 +2260,7 @@ fi TINFO_LDFLAGS2=`echo "$TINFO_LDFLAGS" | sed -e 's,-L\.\./,-L../../,'` AC_SUBST(TINFO_LDFLAGS2) -case $DFT_LWR_MODEL in +case "$DFT_LWR_MODEL" in (normal|debug|profile) CF_LDFLAGS_STATIC ;; @@ -2214,8 +2270,8 @@ AC_MSG_CHECKING(where we will install curses.h) AC_SUBST(includesubdir) includesubdir= if test "$with_overwrite" = no && \ - ( test "x$includedir" = 'x${prefix}/include' || \ - test "x$includedir" = "x${prefix}/include" ) + { test "x$includedir" = 'x${prefix}/include' || \ + test "x$includedir" = "x${prefix}/include"; } then includesubdir="/ncurses${USE_LIB_SUFFIX}" fi @@ -2233,7 +2289,7 @@ WITH_OVERWRITE=$with_overwrite ### At least on MinGW a shared library build without libtool ### requires adding the additional libs to the link list. -case $cf_cv_system_name in +case "$cf_cv_system_name" in (*mingw32*|*mingw64*) if test "$DFT_LWR_MODEL" != "libtool"; then SHLIB_LIST="$SHLIB_LIST ${LIBS}" @@ -2282,9 +2338,6 @@ AC_DEFINE_UNQUOTED(NCURSES_PATHSEP,'$PATH_SEPARATOR',[Define to override ':' as AC_DEFINE_UNQUOTED(NCURSES_VERSION_STRING, "${NCURSES_MAJOR}.${NCURSES_MINOR}.${NCURSES_PATCH}",[Define to 1 if machine has ample memory for tic]) -### Now that we're done running tests, add the compiler-warnings, if any -CF_ADD_CFLAGS($EXTRA_CFLAGS) - ### Define substitutions for header files to avoid name-pollution CF_SUBST_IF(["x$cf_cv_have_tcgetattr" = xyes], HAVE_TCGETATTR, 1, 0) CF_SUBST_IF(["x$ac_cv_header_stdint_h" = xyes], HAVE_STDINT_H, 1, 0) @@ -2314,7 +2367,7 @@ ADAHTML_DIR=../../doc/html/ada AC_SUBST(ADAHTML_DIR) # workaround for OS/2 (20151017) -case $cf_cv_system_name in +case "$cf_cv_system_name" in (os2*) LIBTOOL_OPTS_CXX="-os2dllname ncurs++" ;; @@ -2325,7 +2378,7 @@ esac AC_SUBST(LIBTOOL_OPTS_CXX) # workaround for g++ versus Solaris (20131116) -case $cf_cv_system_name in +case "$cf_cv_system_name" in (solaris2*) case "x$CPPFLAGS" in (*-D_XOPEN_SOURCE_EXTENDED*) @@ -2425,7 +2478,7 @@ fi test "x$cf_with_trace" = xyes && NCURSES_INLINE= UNALTERED_SYMS=`echo "$RESULTING_SYMS" | sed -e 's/\\$/\\\\$/g'` -if test $cf_filter_syms = yes +if test "$cf_filter_syms" = yes then RESULTING_SYMS=resulting.map fi @@ -2456,13 +2509,13 @@ AC_OUTPUT( \ $SUB_MAKEFILES \ Makefile,[ if test "x$cf_with_tests" != xno ; then - CF_PRG_RULES([$srcdir/test/mk-test.awk INSTALL=no ECHO_LINK="$ECHO_LD"], test) + CF_PRG_RULES(["$srcdir/test/mk-test.awk" INSTALL=no ECHO_LINK="$ECHO_LD"], test) fi CF_LIB_RULES($SRC_SUBDIRS) if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = "xyes"; then if test -z "$USE_OLD_MAKERULES" ; then - $AWK -f $srcdir/Ada95/mk-1st.awk <$srcdir/Ada95/src/modules >>Ada95/src/Makefile + $AWK -f "$srcdir/Ada95/mk-1st.awk" <"$srcdir/Ada95/src/modules" >>Ada95/src/Makefile fi fi ],[ @@ -2513,12 +2566,15 @@ WITH_CURSES_H="$with_curses_h" WITH_ECHO="${enable_echo:=yes}" WITH_OVERWRITE="$with_overwrite" cf_LIST_MODELS="$cf_list_models" +cf_cv_VERSION_GNATMAKE=$cf_cv_VERSION_GNATMAKE +cf_cv_VERSION_GPRBUILD=$cf_cv_VERSION_GPRBUILD cf_cv_abi_version="$cf_cv_abi_version" cf_cv_do_relink="$cf_cv_do_relink" cf_cv_do_reranlib="$cf_cv_do_reranlib" cf_cv_do_symlinks="$cf_cv_do_symlinks" cf_cv_enable_lp64="$cf_cv_enable_lp64" cf_cv_enable_opaque="$cf_cv_enable_opaque" +cf_cv_make_PHONY="$cf_cv_make_PHONY" cf_cv_prog_CC_c_o=$cf_cv_prog_CC_c_o cf_cv_prog_CXX_c_o=$cf_cv_prog_CXX_c_o cf_cv_prog_gnat_correct=$cf_cv_prog_gnat_correct