# Local additions to Autoconf macros. # Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc. # François Pinard , 1992. # [TS:Aug/95] - chopped out the NLS stuff which I don't support ## ------------------------------- ## ## Check for function prototypes. ## ## ------------------------------- ## AC_DEFUN(fp_C_PROTOTYPES, [AC_REQUIRE([fp_PROG_CC_STDC]) AC_MSG_CHECKING([for function prototypes]) if test "$ac_cv_prog_cc_stdc" != no; then AC_MSG_RESULT(yes) AC_DEFINE(PROTOTYPES) U= ANSI2KNR= else AC_MSG_RESULT(no) U=_ ANSI2KNR=ansi2knr fi AC_SUBST(U)dnl AC_SUBST(ANSI2KNR)dnl ]) ## ----------------------------------------- ## ## ANSIfy the C compiler whenever possible. ## ## ----------------------------------------- ## # @defmac AC_PROG_CC_STDC # @maindex PROG_CC_STDC # @ovindex CC # If the C compiler in not in ANSI C mode by default, try to add an option # to output variable @code{CC} to make it so. This macro tries various # options that select ANSI C on some system or another. It considers the # compiler to be in ANSI C mode if it defines @code{__STDC__} to 1 and # handles function prototypes correctly. # # If you use this macro, you should check after calling it whether the C # compiler has been set to accept ANSI C; if not, the shell variable # @code{ac_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source # code in ANSI C, you can make an un-ANSIfied copy of it by using the # program @code{ansi2knr}, which comes with Ghostscript. # @end defmac AC_DEFUN(fp_PROG_CC_STDC, [AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C) AC_CACHE_VAL(ac_cv_prog_cc_stdc, [ac_cv_prog_cc_stdc=no ac_save_CFLAGS="$CFLAGS" # Don't try gcc -ansi; that turns off useful extensions and # breaks some systems' header files. # AIX -qlanglvl=ansi # Ultrix and OSF/1 -std1 # HP-UX -Aa -D_HPUX_SOURCE # SVR4 -Xc for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" -Xc do CFLAGS="$ac_save_CFLAGS $ac_arg" AC_TRY_COMPILE( [#if !defined(__STDC__) || __STDC__ != 1 choke me #endif ], [int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);};], [ac_cv_prog_cc_stdc="$ac_arg"; break]) done CFLAGS="$ac_save_CFLAGS" ]) AC_MSG_RESULT($ac_cv_prog_cc_stdc) case "x$ac_cv_prog_cc_stdc" in x|xno) ;; *) CC="$CC $ac_cv_prog_cc_stdc" ;; esac ]) ## --------------------------------------------------------- ## ## Use AC_PROG_INSTALL, supplementing it with INSTALL_SCRIPT ## ## substitution. ## ## --------------------------------------------------------- ## AC_DEFUN(fp_PROG_INSTALL, [AC_PROG_INSTALL test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL} -m 755' AC_SUBST(INSTALL_SCRIPT)dnl ]) ## ----------------------------------- ## ## Check if --with-dmalloc was given. ## ## ----------------------------------- ## # I just checked, and GNU rx seems to work fine with a slightly # modified GNU m4. So, I put out the test below in my aclocal.m4, # and will try to use it in my things. The idea is to distribute # rx.[hc] and regex.[hc] together, for a while. The WITH_REGEX symbol # (which should also be documented in acconfig.h) is used to decide # which of regex.h or rx.h should be included in the application. # # If `./configure --with-regex' is given, the package will use # the older regex. Else, a check is made to see if rx is already # installed, as with newer Linux'es. If not found, the package will # use the rx from the distribution. If found, the package will use # the system's rx which, on Linux at least, will result in a smaller # executable file. AC_DEFUN(fp_WITH_DMALLOC, [AC_MSG_CHECKING(if malloc debugging is wanted) AC_ARG_WITH(dmalloc, [ --with-dmalloc use dmalloc, as in ftp://ftp.letters.com/src/dmalloc/dmalloc.tar.gz], [if test "$withval" = yes; then AC_MSG_RESULT(yes) AC_DEFINE(WITH_DMALLOC) LIBS="$LIBS -ldmalloc" LDFLAGS="$LDFLAGS -g" else AC_MSG_RESULT(no) fi], [AC_MSG_RESULT(no)]) ]) ## --------------------------------- ## ## Check if --with-regex was given. ## ## --------------------------------- ## AC_DEFUN(fp_WITH_REGEX, [AC_MSG_CHECKING(which of rx or regex is wanted) AC_ARG_WITH(regex, [ --with-regex use older regex in lieu of GNU rx for matching], [if test "$withval" = yes; then ac_with_regex=1 AC_MSG_RESULT(regex) AC_DEFINE(WITH_REGEX) AC_LIBOBJ([regex]) fi]) if test -z "$ac_with_regex"; then AC_MSG_RESULT(rx) AC_CHECK_FUNC(re_rx_search, , [AC_CHECK_SIZEOF(unsigned char *, unsigned char *) if test "$ac_cv_sizeof_unsigned_char_p" = 8 then AC_MSG_WARN(I'm forcing you to use regex because I can't find a local rx library and the one included with this distribution doesn't work on 64-bit machines like yours) AC_LIBOBJ([regex]) else AC_LIBOBJ([rx]) fi] ) fi ]) ## --------------------------------------- ## ## Check if --with-gnu-readline was given. ## ## --------------------------------------- ## AC_DEFUN(fp_WITH_GNU_READLINE, [AC_MSG_CHECKING(whether GNU readline requested) AC_ARG_WITH(gnu_readline, [ --with-gnu-readline compile with GNU readline support], [if test "$withval" = yes; then AC_MSG_RESULT(yes) ac_with_gnu_readline=1 else AC_MSG_RESULT(no) fi], AC_MSG_RESULT(no)) if test -n "$ac_with_gnu_readline"; then AC_CHECK_HEADER(readline/readline.h, ac_mg_readline_header_found=1, AC_MSG_WARN(Can't find GNU readline headers; configuring without \ GNU readline support)) if test -n "$ac_mg_readline_header_found"; then # first check whether we can find the readline library itself AC_CHECK_LIB(readline, main, [ac_mg_readline_lib_found=1 AC_DEFINE(WITH_GNU_READLINE) LIBS="$LIBS -lreadline"], AC_MSG_WARN(Can't find GNU readline library; configuring without \ GNU readline support)) if test -n "$ac_mg_readline_lib_found"; then # on some systems, readline needs curses. It is difficult to # determine whether this is necessary on the current system, # since other undefined symbols can be turned up by an # AC_CHECK_LIB(readline, readline) test that are actually defined # by mg itself (e.g. xmalloc, xrealloc). So, if we find libcurses, # we just bung it on and hope for the best. AC_CHECK_LIB(curses, main, LIBS="$LIBS -lcurses") fi fi fi ]) #AC_DEFUN(fp_WITH_GNU_READLINE, #[AC_MSG_CHECKING(whether GNU readline requested) # AC_ARG_WITH(gnu-readline, # [ --with-gnu-readline compile with GNU readline support], # [if test "$withval" = yes; then # AC_MSG_RESULT(yes) # ac_with_gnu_readline=1 # else # AC_MSG_RESULT(no) # fi], # AC_MSG_RESULT(no)) # if test -n "$ac_with_gnu_readline"; then # AC_CHECK_LIB(readline, main, # AC_CHECK_HEADER(readline/readline.h, # [AC_DEFINE(WITH_GNU_READLINE) ## curses required on some systems (DEC OSF/1), but not on others (GNU/Linux, ## Solaris 2.6). Forcing its inclusion is unsophisticated; if it causes ## any actual problems on any UNIX platforms, let the maintainer know. # LIBS="$LIBS -lreadline -lcurses"], # AC_MSG_WARN(Can't find GNU readline headers: configuring \ #without GNU readline support) # ), # AC_MSG_WARN(Can't find GNU readline library: configuring \ #without GNU readline support) # ) # fi #]) dnl @synopsis AC_PROG_JAVAC dnl dnl AC_PROG_JAVAC tests an existing Java compiler. It uses the dnl environment variable JAVAC then tests in sequence various common dnl Java compilers. For political reasons, it starts with the free dnl ones. dnl dnl If you want to force a specific compiler: dnl dnl - at the configure.in level, set JAVAC=yourcompiler before calling dnl AC_PROG_JAVAC dnl dnl - at the configure level, setenv JAVAC dnl dnl You can use the JAVAC variable in your Makefile.in, with @JAVAC@. dnl dnl *Warning*: its success or failure can depend on a proper setting of dnl the CLASSPATH env. variable. dnl dnl TODO: allow to exclude compilers (rationale: most Java programs dnl cannot compile with some compilers like guavac). dnl dnl Note: This is part of the set of autoconf M4 macros for Java dnl programs. It is VERY IMPORTANT that you download the whole set, dnl some macros depend on other. Unfortunately, the autoconf archive dnl does not support the concept of set of macros, so I had to break it dnl for submission. The general documentation, as well as the sample dnl configure.in, is included in the AC_PROG_JAVA macro. dnl dnl @category Java dnl @author Stephane Bortzmeyer dnl @version 2000-07-19 dnl @license GPLWithACException AC_DEFUN([AC_PROG_JAVAC],[ if test "x$JAVAC" = x ; then AC_REQUIRE([AC_EXEEXT])dnl if test "x$JAVAPREFIX" = x; then test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, javac$EXEEXT) else test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, javac$EXEEXT, $JAVAPREFIX) fi test "x$JAVAC" = x && AC_MSG_ERROR([no acceptable Java compiler found in \$PATH]) else echo "Checking for javac... $JAVAC" fi AC_SUBST(JAVAC) AC_PROG_JAVAC_WORKS AC_PROVIDE([$0])dnl ]) dnl @synopsis AC_PROG_JAVAC_WORKS dnl dnl Internal use ONLY. dnl dnl Note: This is part of the set of autoconf M4 macros for Java dnl programs. It is VERY IMPORTANT that you download the whole set, dnl some macros depend on other. Unfortunately, the autoconf archive dnl does not support the concept of set of macros, so I had to break it dnl for submission. The general documentation, as well as the sample dnl configure.in, is included in the AC_PROG_JAVA macro. dnl dnl @category Java dnl @author Stephane Bortzmeyer dnl @version 2000-07-19 dnl @license GPLWithACException AC_DEFUN([AC_PROG_JAVAC_WORKS],[ AC_CACHE_CHECK([if $JAVAC works], ac_cv_prog_javac_works, [ JAVA_TEST=Test.java CLASS_TEST=Test.class cat << \EOF > $JAVA_TEST /* [#]line __oline__ "configure" */ public class Test { } EOF if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) >/dev/null 2>&1; then ac_cv_prog_javac_works=yes else AC_MSG_ERROR([The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)]) echo "configure: failed program was:" >&AC_FD_CC cat $JAVA_TEST >&AC_FD_CC fi rm -f $JAVA_TEST $CLASS_TEST ]) AC_PROVIDE([$0])dnl dnl The following is now explicitly set in the Release Kit dnl if test "x$JAVACFLAGS" = x ; then dnl JAVACFLAGS="-source 1.6 -target 1.6" dnl fi AC_SUBST(JAVACFLAGS) ]) dnl @synopsis AC_PROG_JAVA dnl dnl Here is a summary of the main macros: dnl dnl AC_PROG_JAVAC: finds a Java compiler. dnl dnl AC_PROG_JAVA: finds a Java virtual machine. dnl dnl AC_CHECK_CLASS: finds if we have the given class (beware of dnl CLASSPATH!). dnl dnl AC_CHECK_RQRD_CLASS: finds if we have the given class and stops dnl otherwise. dnl dnl AC_TRY_COMPILE_JAVA: attempt to compile user given source. dnl dnl AC_TRY_RUN_JAVA: attempt to compile and run user given source. dnl dnl AC_JAVA_OPTIONS: adds Java configure options. dnl dnl AC_PROG_JAVA tests an existing Java virtual machine. It uses the dnl environment variable JAVA then tests in sequence various common dnl Java virtual machines. For political reasons, it starts with the dnl free ones. You *must* call [AC_PROG_JAVAC] before. dnl dnl If you want to force a specific VM: dnl dnl - at the configure.in level, set JAVA=yourvm before calling dnl AC_PROG_JAVA dnl dnl (but after AC_INIT) dnl dnl - at the configure level, setenv JAVA dnl dnl You can use the JAVA variable in your Makefile.in, with @JAVA@. dnl dnl *Warning*: its success or failure can depend on a proper setting of dnl the CLASSPATH env. variable. dnl dnl TODO: allow to exclude virtual machines (rationale: most Java dnl programs cannot run with some VM like kaffe). dnl dnl Note: This is part of the set of autoconf M4 macros for Java dnl programs. It is VERY IMPORTANT that you download the whole set, dnl some macros depend on other. Unfortunately, the autoconf archive dnl does not support the concept of set of macros, so I had to break it dnl for submission. dnl dnl A Web page, with a link to the latest CVS snapshot is at dnl . dnl dnl This is a sample configure.in Process this file with autoconf to dnl produce a configure script. dnl dnl AC_INIT(UnTag.java) dnl dnl dnl Checks for programs. dnl AC_CHECK_CLASSPATH dnl AC_PROG_JAVAC dnl AC_PROG_JAVA dnl dnl dnl Checks for classes dnl AC_CHECK_RQRD_CLASS(org.xml.sax.Parser) dnl AC_CHECK_RQRD_CLASS(com.jclark.xml.sax.Driver) dnl dnl AC_OUTPUT(Makefile) dnl dnl @category Java dnl @author Stephane Bortzmeyer dnl @version 2000-07-19 dnl @license GPLWithACException AC_DEFUN([AC_PROG_JAVA],[ if test "x$JAVA" = x ; then AC_REQUIRE([AC_EXEEXT])dnl if test x$JAVAPREFIX = x; then test x$JAVA = x && AC_CHECK_PROGS(JAVA, java$EXEEXT) else test x$JAVA = x && AC_CHECK_PROGS(JAVA, java$EXEEXT, $JAVAPREFIX) fi test x$JAVA = x && AC_MSG_ERROR([no acceptable Java virtual machine found in \$PATH]) fi AC_SUBST(JAVA) AC_PROG_JAVA_WORKS AC_PROVIDE([$0])dnl ]) dnl @synopsis AC_PROG_JAVA_WORKS dnl dnl Internal use ONLY. dnl dnl Note: This is part of the set of autoconf M4 macros for Java dnl programs. It is VERY IMPORTANT that you download the whole set, dnl some macros depend on other. Unfortunately, the autoconf archive dnl does not support the concept of set of macros, so I had to break it dnl for submission. The general documentation, as well as the sample dnl configure.in, is included in the AC_PROG_JAVA macro. dnl dnl @category Java dnl @author Stephane Bortzmeyer dnl @version 2000-07-19 dnl @license GPLWithACException AC_DEFUN([AC_PROG_JAVA_WORKS], [ AC_CHECK_PROG(uudecode, uudecode$EXEEXT, yes) if test x$uudecode = xyes; then AC_CACHE_CHECK([if uudecode can decode base 64 file], ac_cv_prog_uudecode_base64, [ dnl /** dnl * Test.java: used to test if java compiler works. dnl */ dnl public class Test dnl { dnl dnl public static void dnl main( String[] argv ) dnl { dnl System.exit (0); dnl } dnl dnl } cat << \EOF > Test.uue begin-base64 644 Test.class yv66vgADAC0AFQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51 bWJlclRhYmxlDAAKAAsBAARleGl0AQAEKEkpVgoADQAJBwAOAQAQamF2YS9s YW5nL1N5c3RlbQEABjxpbml0PgEAAygpVgwADwAQCgADABEBAApTb3VyY2VG aWxlAQAJVGVzdC5qYXZhACEAAQADAAAAAAACAAkABQAGAAEABwAAACEAAQAB AAAABQO4AAyxAAAAAQAIAAAACgACAAAACgAEAAsAAQAPABAAAQAHAAAAIQAB AAEAAAAFKrcAErEAAAABAAgAAAAKAAIAAAAEAAQABAABABMAAAACABQ= ==== EOF if uudecode$EXEEXT Test.uue; then ac_cv_prog_uudecode_base64=yes else echo "configure: __oline__: uudecode had trouble decoding base 64 file 'Test.uue'" >&AC_FD_CC echo "configure: failed file was:" >&AC_FD_CC cat Test.uue >&AC_FD_CC ac_cv_prog_uudecode_base64=no fi rm -f Test.uue]) fi if test x$ac_cv_prog_uudecode_base64 != xyes; then rm -f Test.class AC_MSG_WARN([I have to compile Test.class from scratch]) if test x$ac_cv_prog_javac_works = xno; then AC_MSG_ERROR([Cannot compile java source. $JAVAC does not work properly]) fi if test x$ac_cv_prog_javac_works = x; then AC_PROG_JAVAC fi fi AC_CACHE_CHECK(if $JAVA works, ac_cv_prog_java_works, [ JAVA_TEST=Test.java CLASS_TEST=Test.class TEST=Test changequote(, )dnl cat << \EOF > $JAVA_TEST /* [#]line __oline__ "configure" */ public class Test { public static void main (String args[]) { System.exit (0); } } EOF changequote([, ])dnl if test x$ac_cv_prog_uudecode_base64 != xyes; then if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) && test -s $CLASS_TEST; then : else echo "configure: failed program was:" >&AC_FD_CC cat $JAVA_TEST >&AC_FD_CC AC_MSG_ERROR(The Java compiler $JAVAC failed (see config.log, check the CLASSPATH?)) fi fi if AC_TRY_COMMAND($JAVA $JAVAFLAGS $TEST) >/dev/null 2>&1; then ac_cv_prog_java_works=yes else echo "configure: failed program was:" >&AC_FD_CC cat $JAVA_TEST >&AC_FD_CC AC_MSG_ERROR(The Java VM $JAVA failed (see config.log, check the CLASSPATH?)) fi rm -fr $JAVA_TEST $CLASS_TEST Test.uue ]) AC_PROVIDE([$0])dnl ] )