Thu Aug 17 23:00:38 2017 UTC ()
mp.h was removed a while ago.  update the README to note this, and
remove the note about trialdivtab.h which was done.


(mrg)
diff -r1.6 -r1.7 src/external/lgpl3/gmp/README
cvs diff -r1.6 -r1.7 src/external/lgpl3/gmp/README (expand / switch to unified diff)

--- src/external/lgpl3/gmp/README 2013/12/04 11:43:52 1.6
+++ src/external/lgpl3/gmp/README 2017/08/17 23:00:38 1.7
@@ -1,61 +1,59 @@ @@ -1,61 +1,59 @@
1$NetBSD: README,v 1.6 2013/12/04 11:43:52 mrg Exp $ 1$NetBSD: README,v 1.7 2017/08/17 23:00:38 mrg Exp $
2 2
3GMP in NetBSD. We need GMP for GCC >= 4.2. 3GMP in NetBSD. We need GMP for GCC >= 4.2.
4 4
5 5
6Building GMP without configure - how to port GMP build to a new platform. 6Building GMP without configure - how to port GMP build to a new platform.
7 7
8The GMP build doesn't map very well to normal make. The ./configure phase 8The GMP build doesn't map very well to normal make. The ./configure phase
9creates a bunch of symlinks and weeds out the sources lists, and there are 9creates a bunch of symlinks and weeds out the sources lists, and there are
10files with the same name in different subdirectories linked into the same 10files with the same name in different subdirectories linked into the same
11final product. All of these issues need to be dealt with. 11final product. All of these issues need to be dealt with.
12 12
13There are a few steps to this: 13There are a few steps to this:
14 14
15 - run ./configure, save the output. you can use the makefile 15 - run ./configure, save the output. you can use the makefile
16 "Makefile.netbsd-gmp" in this directory to run this with the 16 "Makefile.netbsd-gmp" in this directory to run this with the
17 right options, etc. run it with nbmake-$MACHINE. 17 right options, etc. run it with nbmake-$MACHINE.
18 18
19 - create src/external/gpl3/gmp/lib/libgmp/arch/${MACHINE_ARCH} dir, 19 - create src/external/gpl3/gmp/lib/libgmp/arch/${MACHINE_ARCH} dir,
20 and copy these files into it: 20 and copy these files into it:
21 config.h 21 config.h
22 config.m4 22 config.m4
23 gmp-mparam.h 23 gmp-mparam.h
24 gmp.h 24 gmp.h
25 mp.h 
26 25
27 some of these files might have src/obj references. in particular 26 some of these files might have src/obj references. in particular
28 fix GMP_MPARAM_H_SUGGEST to start from ./mpn/... and make sure 27 fix GMP_MPARAM_H_SUGGEST to start from ./mpn/... and make sure
29 we #define __GMP_CC to "gcc -std=gnu99", and make sure that 28 we #define __GMP_CC to "gcc -std=gnu99", and make sure that
30 CONFIG_TOP_SRCDIR is not defined in config.m4 29 CONFIG_TOP_SRCDIR is not defined in config.m4
31 30
32 XXX make this automatic 31 XXX make this automatic
33 32
34 33
35 - parse the ./configure output and note all created symlinks 34 - parse the ./configure output and note all created symlinks
36 for mpn. these need to be converted into a new Makefile.inc. 35 for mpn. these need to be converted into a new Makefile.inc.
37 there is a script in this subdir build-gmp-Makefile.inc.awk 36 there is a script in this subdir build-gmp-Makefile.inc.awk
38 that can be used to do this. it should just work to generate 37 that can be used to do this. it should just work to generate
39 the first section of Makefile.inc if fed the entire configure 38 the first section of Makefile.inc if fed the entire configure
40 output. 39 output.
41 40
42 assembler files generally want -DOPERATION_${foo} defined for 41 assembler files generally want -DOPERATION_${foo} defined for
43 each way they are compiled or pre-processed. the pre-processor 42 each way they are compiled or pre-processed. the pre-processor
44 used is m4 to parse, and we and create .s files from the .asm 43 used is m4 to parse, and we and create .s files from the .asm
45 files that we then we feed into $CC. 44 files that we then we feed into $CC.
46 45
47The amd64 port is a good reference to compare. The trialdivtab.h 46The amd64 port is a good reference to compare.
48generation may need to be moved the into libgmp/Makefile itself. 
49 47
50This mips64* ports need some minor hacks to the generated gmp*.h 48This mips64* ports need some minor hacks to the generated gmp*.h
51files to fix their library builds for compat issues. See these 49files to fix their library builds for compat issues. See these
52files in: 50files in:
53 http://mail-index.netbsd.org/source-changes/2011/07/10/msg024467.html 51 http://mail-index.netbsd.org/source-changes/2011/07/10/msg024467.html
54 52
55 53
56This is still a work in progress and methods used to build may be 54This is still a work in progress and methods used to build may be
57changed at any time. 55changed at any time.
58 56
59 57
60mrg@netbsd.org 58mrg@netbsd.org
61- 2011/06/22 59- 2011/06/22