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GNU Cobol http://www.opencobol.org/ http://sourceforge.net/projects/open-cobol/ GNU Cobol is an open-source COBOL compiler, which translates COBOL programs to C code and compiles it using GCC. This package contains the following subdirectories: cobc COBOL compiler libcob COBOL run-time library bin COBOL driver program lib static library and common headers config configuration files po international messages texi Texinfo files tests Test suite extras useful COBOL programs All programs except those in lib and libcob are distributed under the GNU General Public License. See COPYING for details. Programs in lib and libcob are distributed under the GNU Lesser General Public License. See COPYING.LIB for details. See AUTHORS for the author of each file. ============ Requirements ============ *** NOTE For all the following packages (required or optional), BOTH runtime AND development components are necessary. *** *** NOTE All the following packages are normally part of a Linux distribution. Cygwin also has these as installable packages ALWAYS install the distro packages when available !! *** GNU Cobol requires the following external libraries to be installed: o GNU MP (libgmp) 4.1.2 or later http://gmplib.org BOTH runtime AND development components required. libgmp is used to implement decimal arithmetic. GNU MP is distributed under GNU Lesser General Public License. o GNU Libtool (libltdl) http://www.gnu.org/software/libtool/libtool.html *** NOTE - libltdl is NOT needed when installing on Linux or Windows (including Cygwin and MingW). *** libltdl is used to implement dynamic CALL statements. GNU Libtool is distributed under GNU Lesser General Public License. ** The following libraries ARE required WHEN : 1) Indexed-Sequential file I/O is used o Berkeley DB (libdb) 1.85 or later http://www.oracle.com/ BOTH runtime AND development components required. Recommended is version 4.x as 1.85 is known to have problems. * NOTE * The following NOTE(S) ONLY apply to DB <= 4.1 * NOTE * The BDB version 4.0 was never officially supported from sleepycat but, unfortunately, found it's way into Linux releases. Install a newer version. * NOTE * If you are generating BDB yourself and the BDB version is <= 4 (and version < 1), you need to specify --enable-compat185 as a minimum to the BDB configure. BDB does NOT have the usual install path of either /usr or /usr/local. Therefore, it is recommended to specify --prefix=/usr/local to the configure. libdb is used to implement indexed file I/O and SORT/MERGE. Berkeley DB is distributed under the original BSD License (1.85) or their own open-source license (2.x or later). Note that, as of 2.x, if you linked your software with Berkeley DB, you must distribute the source code of your software along with your software, or you have to pay royalty to Oracle. 2) SCREEN I/O is used or extended ACCEPT/DISPLAY is used BOTH runtime AND development components required. o Ncurses (ncurses) 5.2 or later http://www.gnu.org/software/ncurses/ncurses.html libncurses is used to implement SCREEN SECTION and extended ACCEPT/DISPLAY. Ncurses is distributed under a BSD style license. o Unix curses o PDCurses (pdcurses) for MinGW ports http://pdcurses.sourceforge.net ============ ============ Installation ============ ** NOTE Due to deficiencies in the tools used to prepare GNU Cobol (autoconf/automake/libtool), it is NOT generally possible to use path names with spaces embedded within them (Mainly Cygwin/MingW/Windows ports). ** To generate/install GNU Cobol : ************************************** ./configure make Here you may run make check to run a series of GNU Cobol test programs (must do!) This MUST succeed - If not, please report. make install ** NOTE ** On Linux systems, if you are installing for the -first- time, you may need to run "ldconfig" (as root). In fact, it does not hurt if you always do this. ** NOTE ** On some Red Hat (Fedora) installations and possibly other Linux distros, /usr/local/lib is NOT automatically searched at runtime. Edit /etc/ld.so.conf and add /usr/local/lib to the file. Rerun "ldconfig". You may optionally perform a series of COBOL85 tests. See tests/cobol85/README It is recommended that you perform this test. ************************************** If you think you have a problem or just want to record the make output, just redirect the output thus : make 1>mymake.log 2>&1 make install 1>myinstall.log 2>&1 ************************************** You can get back to a clean installation status by running : make distclean ************************************** The "make install" will default to "/usr/local" as the install path. You may override this by specifying "--prefix=<your install path>" to the "./configure" command. *********************************************************** ============ The following is only interesting for advanced use. A normal user should not have recourse to use these options. There are the following configure options: --with-cc=<cc> Specify C compiler command used by cobc Do not specify this unless you know what you are doing! --with-db1 Use Berkeley DB 1.85 (libdb1/libdb-1.85) This overrides --with-db/--without-db --with-db Use Berkeley DB 3.0 or later (libdb) This is the default --without-db Do not use Berkeley DB You will not be able to use SORT/indexed I/O --with-dl Use the system dynamic linker instead of ltdl This is the default (Note on Windows, native loading is used) --without-dl Use ltdl for dynamic program loading --with-patch-level=<n> Set internal patch level to n (default 0) --with-varseq=<n> Define the format for variable length sequential files. For values of 0, 1 and 2, four bytes are written preceeding each record. The format of these four bytes for values of 0, 1, 2 is as follows : n = 0 (default) The first 2 bytes are the record length in big-endian order. This is compatible with mainframe. Bytes 3 and 4 are set to binary 0. n = 1 The 4 bytes are the record length in big-endian order. n = 2 The 4 bytes are the record length in native machine order (int). (This was previously the default) For the value of 3, two bytes are written preceeding each record : n = 3 The first 2 bytes are the record length in big-endian order. The record follows immediately after beginning at byte 3. --enable-debug Add '-g' debug option to make ============ ============ Development ============ If you wish to hack the GNU Cobol source code, proceed as follows. You need to install the following extra packages with specified minimum version before changing/building GNU Cobol: For compiling : o Bison 1.875 o Flex 2.5.4 If you reconfigure and/or prepare a distribution o Autoconf 2.59 o Automake 1.9.6 o Libtool 1.5.24 o m4 1.4.2 o Gettext 0.14.1 o Texinfo 4.6 (For makeinfo) If you modify top-level configure.ac, Makefile.am in any directory, or any of the standard OC tests then you will need to run "autoreconf -I m4" to regenerate the necessary files.
Source: README, updated 2013-10-22