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* [Bug build/27762] New: configure does not honor --with-mpfr=
@ 2021-04-21 15:26 Mario.Klebsch@ime-actia.de
2022-03-06 16:00 ` [Bug build/27762] " tromey at sourceware dot org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Mario.Klebsch@ime-actia.de @ 2021-04-21 15:26 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=27762
Bug ID: 27762
Summary: configure does not honor --with-mpfr=
Product: gdb
Version: 10.1
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: Mario.Klebsch@ime-actia.de
Target Milestone: ---
I built mpc and libmpr as static libraries and installed them into a temprary
location.
I passed --with-mpfr=/... and --with-mpc=/... to configure.
I expected the build process to pick up the static libraries provided at the
given locations.
But the resulting binary uses the shared libraries insalled in /lib64.
gdb/Makefile was written with this line:
LIBMPFR = -lmpfr -lgmp
I configured and build gcc with the same options, and gcc uses the static
libraries. In the gcc build directory gcc/Makefile contains the following line:
GMPLIBS = -L/.../lib -L/.../lib -L/.../lib -lmpc -lmpfr -lgmp
The difference is, that gcc's configure added -L options with the path of the
static libraries.
The config.log does contain a setting with -L options:
gmplibs='-L/.../lib -L/.../lib -L/.../lib -lmpc -lmpfr -lgmp'
but this setting is not used when building gdb. :-(
I just found, that there also is a config.log in the gdb subdirectory. I see,
that '--with-gmp=/...' '--with-mpfr=/...' were passed tot he sub-configure.
But I see, that this path is not used:
configure:10086: checking whether to use MPFR
configure:10088: result: /...
configure:10521: checking for libmpfr
configure:10541: gcc -o conftest -g -O2 conftest.c -ltinfow -lncursesw -lm
-ldl -lmpfr -lgmp >&5
configure:10541: $? = 0
configure:10551: result: yes
configure:10558: checking how to link with libmpfr
configure:10560: result: -lmpfr -lgmp
It just detects the system-supplied mpfr and don't use the one, that I selected
on configures command line. :-(
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* [Bug build/27762] configure does not honor --with-mpfr=
2021-04-21 15:26 [Bug build/27762] New: configure does not honor --with-mpfr= Mario.Klebsch@ime-actia.de
@ 2022-03-06 16:00 ` tromey at sourceware dot org
2022-03-06 16:00 ` tromey at sourceware dot org
2022-03-06 16:09 ` tromey at sourceware dot org
2 siblings, 0 replies; 4+ messages in thread
From: tromey at sourceware dot org @ 2022-03-06 16:00 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=27762
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at sourceware dot org
--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
I don't think gdb uses mpc.
For mpfr, it seems to be the same issue as bug#28500: gdb
has a different set of options from the top level.
prentzel. ./configure --help|grep mpfr
--with-mpfr-dir=PATH this option has been REMOVED
--with-mpfr=PATH specify prefix directory for installed MPFR package.
Equivalent to --with-mpfr-include=PATH/include plus
--with-mpfr-lib=PATH/lib
--with-mpfr-include=PATH
--with-mpfr-lib=PATH specify directory for the installed MPFR library
prentzel. ./gdb/configure --help|grep mpfr
--with-mpfr include MPFR support (auto/yes/no)
--with-libmpfr-prefix[=DIR] search for libmpfr in DIR/include and DIR/lib
--without-libmpfr-prefix don't search for libmpfr in includedir and
libdir
--with-libmpfr-type=TYPE type of library to search for
(auto/static/shared)
Try using the ones reported by gdb - I think that may work.
I tend to think standardizing the options here would be good,
but there are some caveats & problems in this thread
https://sourceware.org/pipermail/gdb-patches/2020-November/173301.html
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* [Bug build/27762] configure does not honor --with-mpfr=
2021-04-21 15:26 [Bug build/27762] New: configure does not honor --with-mpfr= Mario.Klebsch@ime-actia.de
2022-03-06 16:00 ` [Bug build/27762] " tromey at sourceware dot org
@ 2022-03-06 16:00 ` tromey at sourceware dot org
2022-03-06 16:09 ` tromey at sourceware dot org
2 siblings, 0 replies; 4+ messages in thread
From: tromey at sourceware dot org @ 2022-03-06 16:00 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=27762
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2022-03-06
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* [Bug build/27762] configure does not honor --with-mpfr=
2021-04-21 15:26 [Bug build/27762] New: configure does not honor --with-mpfr= Mario.Klebsch@ime-actia.de
2022-03-06 16:00 ` [Bug build/27762] " tromey at sourceware dot org
2022-03-06 16:00 ` tromey at sourceware dot org
@ 2022-03-06 16:09 ` tromey at sourceware dot org
2 siblings, 0 replies; 4+ messages in thread
From: tromey at sourceware dot org @ 2022-03-06 16:09 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=27762
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
Status|NEW |RESOLVED
--- Comment #2 from Tom Tromey <tromey at sourceware dot org> ---
I'm arbitrarily picking one bug as the canonical one.
*** This bug has been marked as a duplicate of bug 28500 ***
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2021-04-21 15:26 [Bug build/27762] New: configure does not honor --with-mpfr= Mario.Klebsch@ime-actia.de
2022-03-06 16:00 ` [Bug build/27762] " tromey at sourceware dot org
2022-03-06 16:00 ` tromey at sourceware dot org
2022-03-06 16:09 ` tromey at sourceware dot org
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