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Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 418 |
1 files changed, 418 insertions, 0 deletions
diff --git a/configure.in b/configure.in new file mode 100644 index 0000000..85d4697 --- /dev/null +++ b/configure.in @@ -0,0 +1,418 @@ +dnl Process this file with autoconf to produce a configure script. +AC_INIT(cscope, 15.6) +AC_CONFIG_SRCDIR([src/crossref.c]) +AM_INIT_AUTOMAKE([1.9]) +AC_CONFIG_HEADERS([config.h:config.h.in]) +AC_PREREQ(2.59) +AC_CANONICAL_HOST + +dnl User specification of lexer +dnl AC_CHECK_LEXER +dnl User specification of yacc +dnl AC_CHECK_YACC + +dnl Checks for programs. +AC_PROG_INSTALL +AC_PROG_CC +AC_EXEEXT +AM_PROG_LEX +AM_CONDITIONAL(USING_LEX, test "x$LEX" = "xlex") +if test "x$LEX" = "xlex" ; then AC_DEFINE(USING_LEX, 1, + [Define this if the scanner is run through lex, not flex]) +fi +AC_PROG_YACC + +dnl === BEGIN CURSES CHECK +dnl Curses detection: Munged from Midnight Commander's configure.in +dnl +dnl What it does: +dnl ============= +dnl +dnl - Determine which version of curses is installed on your system +dnl and set the -I/-L/-l compiler entries and add a few preprocessor +dnl symbols +dnl - Do an AC_SUBST on the CURSES_INCLUDEDIR and CURSES_LIBS so that +dnl @CURSES_INCLUDEDIR@ and @CURSES_LIBS@ will be available in +dnl Makefile.in's +dnl - Modify the following configure variables (these are the only +dnl curses.m4 variables you can access from within configure.in) +dnl CURSES_INCLUDEDIR - contains -I's and possibly -DRENAMED_CURSES if +dnl an ncurses.h that's been renamed to curses.h +dnl is found. +dnl CURSES_LIBS - sets -L and -l's appropriately +dnl CFLAGS - if --with-sco, add -D_SVID3 +dnl has_curses - exports result of tests to rest of configure +dnl +dnl Usage: +dnl ====== +dnl 1) Add lines indicated below to acconfig.h +dnl 2) call AC_CHECK_CURSES after AC_PROG_CC in your configure.in +dnl 3) Instead of #include <curses.h> you should use the following to +dnl properly locate ncurses or curses header file +dnl +dnl #if defined(USE_NCURSES) && !defined(RENAMED_NCURSES) +dnl #include <ncurses.h> +dnl #else +dnl #include <curses.h> +dnl #endif +dnl +dnl 4) Make sure to add @CURSES_INCLUDEDIR@ to your preprocessor flags +dnl 5) Make sure to add @CURSES_LIBS@ to your linker flags or LIBS +dnl +dnl Notes with automake: +dnl - call AM_CONDITIONAL(HAS_CURSES, test "$has_curses" = true) from +dnl configure.in +dnl - your Makefile.am can look something like this +dnl ----------------------------------------------- +dnl INCLUDES= blah blah blah $(CURSES_INCLUDEDIR) +dnl if HAS_CURSES +dnl CURSES_TARGETS=name_of_curses_prog +dnl endif +dnl bin_PROGRAMS = other_programs $(CURSES_TARGETS) +dnl other_programs_SOURCES = blah blah blah +dnl name_of_curses_prog_SOURCES = blah blah blah +dnl other_programs_LDADD = blah +dnl name_of_curses_prog_LDADD = blah $(CURSES_LIBS) +dnl ----------------------------------------------- +dnl +dnl +dnl The following lines should be added to acconfig.h: +dnl ================================================== +dnl +dnl /*=== Curses version detection defines ===*/ +dnl /* Found some version of curses that we're going to use */ +dnl #undef HAS_CURSES +dnl +dnl /* Use SunOS SysV curses? */ +dnl #undef USE_SUNOS_CURSES +dnl +dnl /* Use old BSD curses - not used right now */ +dnl #undef USE_BSD_CURSES +dnl +dnl /* Use SystemV curses? */ +dnl #undef USE_SYSV_CURSES +dnl +dnl /* Use Ncurses? */ +dnl #undef USE_NCURSES +dnl +dnl /* If you Curses does not have color define this one */ +dnl #undef NO_COLOR_CURSES +dnl +dnl /* Define if you want to turn on SCO-specific code */ +dnl #undef SCO_FLAVOR +dnl +dnl /* Set to reflect version of ncurses * +dnl * 0 = version 1.* +dnl * 1 = version 1.9.9g +dnl * 2 = version 4.0/4.1 */ +dnl #undef NCURSES_970530 +dnl +dnl /*=== End new stuff for acconfig.h ===*/ +dnl + + +AC_DEFUN([AC_CHECK_CURSES],[ + search_ncurses=true + screen_manager="" + has_curses=false + + CFLAGS=${CFLAGS--O} + + AC_SUBST(CURSES_LIBS) + AC_SUBST(CURSES_INCLUDEDIR) + + AC_ARG_WITH(sco, + [ --with-sco Use this to turn on SCO-specific code],[ + if test x$withval = xyes; then + AC_DEFINE(SCO_FLAVOR, 1, [Define if you want to turn on SCO-specific code]) + CFLAGS="$CFLAGS -D_SVID3" + fi + ]) + + AC_ARG_WITH(sunos-curses, + [ --with-sunos-curses Used to force SunOS 4.x curses],[ + if test x$withval = xyes; then + AC_USE_SUNOS_CURSES + fi + ]) + + AC_ARG_WITH(osf1-curses, + [ --with-osf1-curses Used to force OSF/1 curses],[ + if test x$withval = xyes; then + AC_USE_OSF1_CURSES + fi + ]) + + AC_ARG_WITH(vcurses, + [ --with-vcurses[=incdir] Used to force SysV curses], + if test x$withval != xyes; then + CURSES_INCLUDEDIR="-I$withval" + fi + AC_USE_SYSV_CURSES + ) + + AC_ARG_WITH(ncurses, + [ --with-ncurses[=dir] Compile with ncurses/locate base dir], + if test x$withval = xno ; then + search_ncurses=false + elif test x$withval != xyes ; then + CURSES_LIBS="$LIBS -L$withval/lib -lncurses" + CURSES_INCLUDEDIR="-I$withval/include" + search_ncurses=false + screen_manager="ncurses" + AC_DEFINE(USE_NCURSES, 1, [Use Ncurses?]) + AC_DEFINE(HAS_CURSES, 1, [Found some version of curses that we're going to use]) + has_curses=true + fi + ) + + if $search_ncurses + then + AC_SEARCH_NCURSES() + fi + + +]) + + +AC_DEFUN([AC_USE_SUNOS_CURSES], [ + search_ncurses=false + screen_manager="SunOS 4.x /usr/5include curses" + AC_MSG_RESULT(Using SunOS 4.x /usr/5include curses) + AC_DEFINE(USE_SUNOS_CURSES, 1, [Use SunOS SysV curses?]) + AC_DEFINE(HAS_CURSES) + has_curses=true + AC_DEFINE(NO_COLOR_CURSES, 1, [If your Curses does not have color define this one]) + AC_DEFINE(USE_SYSV_CURSES, 1, [Use SystemV curses?]) + CURSES_INCLUDEDIR="-I/usr/5include" + CURSES_LIBS="/usr/5lib/libcurses.a /usr/5lib/libtermcap.a" + AC_MSG_RESULT(Please note that some screen refreshs may fail) +]) + +AC_DEFUN([AC_USE_OSF1_CURSES], [ + AC_MSG_RESULT(Using OSF1 curses) + search_ncurses=false + screen_manager="OSF1 curses" + AC_DEFINE(HAS_CURSES) + has_curses=true + AC_DEFINE(NO_COLOR_CURSES) + AC_DEFINE(USE_SYSV_CURSES) + CURSES_LIBS="-lcurses" +]) + +AC_DEFUN([AC_USE_SYSV_CURSES], [ + AC_MSG_RESULT(Using SysV curses) + AC_DEFINE(HAS_CURSES) + has_curses=true + AC_DEFINE(USE_SYSV_CURSES) + search_ncurses=false + screen_manager="SysV/curses" + CURSES_LIBS="-lcurses" +]) + +dnl AC_ARG_WITH(bsd-curses, +dnl [--with-bsd-curses Used to compile with bsd curses, not very fancy], +dnl search_ncurses=false +dnl screen_manager="Ultrix/cursesX" +dnl if test $system = ULTRIX +dnl then +dnl THIS_CURSES=cursesX +dnl else +dnl THIS_CURSES=curses +dnl fi +dnl +dnl CURSES_LIBS="-l$THIS_CURSES -ltermcap" +dnl AC_DEFINE(HAS_CURSES) +dnl has_curses=true +dnl AC_DEFINE(USE_BSD_CURSES) +dnl AC_MSG_RESULT(Please note that some screen refreshs may fail) +dnl AC_MSG_WARN([Use of the bsdcurses extension has some]) +dnl AC_MSG_WARN([display/input problems.]) +dnl AC_MSG_WARN([Reconsider using xcurses]) +dnl) + + +dnl +dnl Parameters: directory filename cureses_LIBS curses_INCLUDEDIR nicename +dnl +AC_DEFUN([AC_NCURSES], [ + if $search_ncurses + then + if test -f $1/$2 + then + AC_MSG_RESULT(Found ncurses on $1/$2) + CURSES_LIBS="$3" + CURSES_INCLUDEDIR="$4" + search_ncurses=false + screen_manager=$5 + AC_DEFINE(HAS_CURSES) + has_curses=true + AC_DEFINE(USE_NCURSES) + fi + fi +]) + +AC_DEFUN([AC_SEARCH_NCURSES], [ + AS_MESSAGE(checking "location of ncurses.h file"...) + + AC_NCURSES(/usr/include, ncurses.h, -lncurses,, "ncurses on /usr/include") + AC_NCURSES(/usr/include/ncurses, ncurses.h, -lncurses, -I/usr/include/ncurses, "ncurses on /usr/include/ncurses") + AC_NCURSES(/usr/local/include, ncurses.h, -L/usr/local/lib -lncurses, -I/usr/local/include, "ncurses on /usr/local") + AC_NCURSES(/usr/local/include/ncurses, ncurses.h, -L/usr/local/lib -L/usr/local/lib/ncurses -lncurses, -I/usr/local/include/ncurses, "ncurses on /usr/local/include/ncurses") + + AC_NCURSES(/usr/local/include/ncurses, curses.h, -L/usr/local/lib -lncurses, -I/usr/local/include/ncurses -DRENAMED_NCURSES, "renamed ncurses on /usr/local/.../ncurses") + + AC_NCURSES(/usr/include/ncurses, curses.h, -lncurses, -I/usr/include/ncurses -DRENAMED_NCURSES, "renamed ncurses on /usr/include/ncurses") + + dnl + dnl We couldn't find ncurses, try SysV curses + dnl + if $search_ncurses + then + AC_EGREP_HEADER(init_color, curses.h, + AC_USE_SYSV_CURSES) + AC_EGREP_CPP(USE_NCURSES,[ +#include <curses.h> +#ifdef __NCURSES_H +#undef USE_NCURSES +USE_NCURSES +#endif +],[ + CURSES_INCLUDEDIR="$CURSES_INCLUDEDIR -DRENAMED_NCURSES" + AC_DEFINE(HAS_CURSES) + has_curses=true + AC_DEFINE(USE_NCURSES) + search_ncurses=false + screen_manager="ncurses installed as curses" +]) + fi + + dnl + dnl Try SunOS 4.x /usr/5{lib,include} ncurses + dnl The flags USE_SUNOS_CURSES, USE_BSD_CURSES and BUGGY_CURSES + dnl should be replaced by a more fine grained selection routine + dnl + if $search_ncurses + then + if test -f /usr/5include/curses.h + then + AC_USE_SUNOS_CURSES + fi + else + # check for ncurses version, to properly ifdef mouse-fix + AC_MSG_CHECKING(for ncurses version) + ncurses_version=unknown +cat > conftest.$ac_ext <<EOF +[#]line __oline__ "configure" +#include "confdefs.h" +#ifdef RENAMED_NCURSES +#include <curses.h> +#else +#include <ncurses.h> +#endif +#undef VERSION +VERSION:NCURSES_VERSION +EOF + if (eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD() | + egrep "VERSION:" >conftest.out 2>&1; then +changequote(,)dnl + ncurses_version=`cat conftest.out|sed -e 's/^[^"]*"//' -e 's/".*//'` +changequote([,])dnl + fi + rm -rf conftest* + AC_MSG_RESULT($ncurses_version) + case "$ncurses_version" in +changequote(,)dnl + 4.[01]) +changequote([,])dnl + AC_DEFINE(NCURSES_970530,2, + [Set to reflect version of ncurses: + 0 = version 1.* + 1 = version 1.9.9g + 2 = version 4.0/4.1]) + ;; + 1.9.9g) + AC_DEFINE(NCURSES_970530,1) + ;; + 1*) + AC_DEFINE(NCURSES_970530,0) + ;; + esac + fi +]) +dnl === END CURSES CHECK + +AC_CHECK_CURSES +AM_CONDITIONAL(HAS_CURSES, test "$has_curses" = true) + +dnl Checks for libraries. +dnl Replace `main' with a function in -lcurses: +dnl AC_CHECK_LIB(curses, main) + +AC_CHECK_HEADER(regex.h, [], [ + AC_MSG_ERROR([necessary header <regex.h> not found]) +]) + +dnl Cygwin is a bit peculiar: it has the regcomp() functions, but in a +dnl separate library, so we have to check for that: +AC_CHECK_LIB(regex, regcomp) + +dnl Check for a GNOME installation + +AC_DEFUN([AC_CHECK_GNOME],[ + has_gnome=false + AC_CHECK_PROG(gnome1, gnome-config, true) + AC_CHECK_PROG(gnome2, pkg-config, true) + + if test x$gnome1 = xtrue; then + has_gnome=true + fi + + if test x$gnome2 = xtrue; then + has_gnome=true + fi + + AM_CONDITIONAL(USING_GNOME2, pkg-config --exists gtk+-2.0) + AM_CONDITIONAL(HAS_GNOME, test "$has_gnome" = true) + AM_CONDITIONAL(GNOME_LINUX, test "$host_os" = Linux) +]) + +AC_CHECK_GNOME +dnl Checks for header files. +AC_HEADER_DIRENT +AC_HEADER_STDC +AC_CHECK_HEADERS(fcntl.h sys/window.h sys/termios.h unistd.h signal.h floss.h io.h) + +dnl Checks for typedefs, structures, and compiler characteristics. +AC_C_CONST +AC_TYPE_MODE_T +AC_TYPE_PID_T +AC_TYPE_SIZE_T +AC_CHECK_TYPE(sighandler_t,[],[],[ +#ifdef HAVE_SIGNAL_H +# include <signal.h> +#endif]) +dnl This test was ripped from gnuplot's configure.in: +AC_MSG_CHECKING(for sigsetjmp) +AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]], [[jmp_buf env; sigsetjmp(env, 1);]])],[AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_SIGSETJMP,1, + [ Define if we have sigsetjmp(). ])],[AC_MSG_RESULT(no)]) + +dnl Checks for library functions. +AC_TYPE_SIGNAL +AC_CHECK_FUNCS(strchr memcpy memset setmode _setmode) +AC_CHECK_FUNCS(getcwd regcmp regcomp strerror vsnprintf snprintf lstat) +AC_CHECK_FUNCS(fixkeypad) +AC_FUNC_LSTAT + +case "$host_os" in + linux*) + AC_DEFINE(Linux, 1, [We're using some variant of Linux]) + ;; + netbsd*|freebsd*|darwin*) + AC_DEFINE(BSD, 1, [We're using a BSD-flavoured Unix]) + ;; +esac + +AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile contrib/Makefile]) +AC_OUTPUT |