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58 Commits

Author SHA1 Message Date
Denys Vlasenko
ea9ebc011b scripts/trylink: libbusybox fix 
gcc 6.1.1 can emit empty line with spaces

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-06-20 12:23:35 +02:00
Denys Vlasenko
663d1da1e6 scripts/trylink: document DATA_SEGMENT_ALIGN() hack 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-04-22 02:00:04 +02:00
Denys Vlasenko
056e1f558c trylink: on failure, print a hint about CONFIG_EXTRA_LDLIBS 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2016-04-03 15:38:53 +02:00
Mike Frysinger
77e2bde6a5 trylink: include LDFLAGS when checking linkage 
The user might be including options in their LDFLAGS (like -fuse-ld=gold)
that change the behavior of the linker and thus change the results of the
flag tests.  Make sure we include the user's LDFLAGS when running these
tests so we filter out flags that will fail when used later on.

URL: https://bugs.gentoo.org/499712
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2015-12-01 11:25:10 -05:00
Denys Vlasenko
edcd5dcc9b typo fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-20 18:15:01 +02:00
Denys Vlasenko
58d0e20ad0 scripts/trylink: remove $CPPFLAGS 
We don't use it in final link, should not use it in check_FOO then.
This uncovered a logic bug in glibc check...

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-20 16:40:43 +02:00
Denys Vlasenko
5134010d88 scripts/trylink: fix bit-rotted linker option verification 
To that end, *make it complain* when check_cc fails on options
we usually want to succeed.

   text	   data	    bss	    dec	    hex	filename
 929697	    932	  17692	 948321	  e7861	busybox-1.23.2/busybox
 915361	    911	  17484	 933756	  e3f7c	busybox-1.23.2.fixed/busybox

 927725	    932	  17448	 946105	  e6fb9	busybox-1.24.0/busybox
 913630	    911	  17240	 931781	  e37c5	busybox-1.24.0.fixed/busybox

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-20 16:16:16 +02:00
Mike Frysinger
6798564b9e trylink: respect compiler settings when probing features 
The CPPFLAGS/CFLAGS settings might have features that matter, so make
sure we utilize them when testing the compiler.

URL: https://bugs.gentoo.org/471118
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2015-03-16 17:47:01 -04:00
Mike Frysinger
4a08e82d44 trylink: use mktemp instead of hardcoding paths 
This way we respect standard tempdir env vars and are guaranteed to
be unique.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2015-03-16 17:46:17 -04:00
Denys Vlasenko
e3366d696c trylink: emit names of linked executables 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-05-03 16:35:15 +02:00
Denys Vlasenko
5fd3ddfb24 modprobe-small: fix help messages for aliased module-related applets 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2014-04-19 15:04:39 +02:00
Mike Frysinger
3eab2b7675 trylink: only prefix libs with -l 
If our pkg-config queries pass back a flag like -pthread, the trylink
script will expand that to -l-pthread.  So change trylink to only add
the -l prefix to a value that doesn't have a - prefix already.

Reported-by: thaehaid@incognitomail.org
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2013-09-28 18:40:07 -04:00
Steve Iribarne
ed607a87e0 pam link error with SHARED_BUSYBOX and LIBBUSYBOX enabled 
Signed-off-by: Steve Iribarne <siribarne@grid-net.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2011-05-09 01:42:12 +02:00
Denys Vlasenko
134d0eb114 cosmetics on top of Dan's patches 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-19 20:07:23 +02:00
Dan Fandrich
ebeac1685a Define GNU-specific link options in one place 
This makes them easier to change to support a non-GNU toolchain.

Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-19 20:03:21 +02:00
Bernhard Reutner-Fischer
a88585a931 trylink: gold may not support --sort-common (yet) 
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
 2010-05-21 12:11:34 +02:00
Denys Vlasenko
eb1cda2f2d trylink: don't use ld --gc-sections if ld doesn't support it 
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-06-27 00:24:35 +02:00
Bernhard Reutner-Fischer
2dfd295726 - give glob a chance 
CROSS_COMPILE=~/foo-bar-baz would fail otherwise
  See http://www.uclibc.org/lists/buildroot/2008-October/011191.html
 2008-10-23 13:49:21 +00:00
Denis Vlasenko
b522d6931d trylink: make messages less confusing 2008-08-26 20:09:08 +00:00
Denis Vlasenko
dd316dd283 hush: add support for ':'; create testsuite entries 
text    data     bss     dec     hex filename
 809569     612    7044  817225   c7849 busybox_old
 809528     612    7044  817184   c7820 busybox_unstripped
 2008-06-14 15:50:55 +00:00
Bernhard Reutner-Fischer
50dbed95fb - pass flags to ld in one argument 2008-05-09 12:43:04 +00:00
Denis Vlasenko
a2dcb50175 trylink: fix glibc check; make --sort-section option look less ugly 2008-04-30 00:15:56 +00:00
Denis Vlasenko
4824ccae8e *: fix build problems found with randomconfig 2008-03-21 18:29:01 +00:00
Denis Vlasenko
f1d93ec420 build system: pass CFLAGS to link stage too (closes bug 1376) 2008-02-14 12:24:14 +00:00
Denis Vlasenko
0a4624aece build system: don't use -o /dev/null, old gcc can delete /dev/null! 2008-02-13 07:47:37 +00:00
Denis Vlasenko
3f9c848576 trylink: instead of build error, disable --gc-sections if GLIBC && STATIC 
nameif: glibc build fixlet
 2007-12-28 17:04:42 +00:00
Mike Frysinger
49d15890e0 make output a little more friendly 2007-11-18 06:42:56 +00:00
Denis Vlasenko
130f559f4d trylink: accomodate older versions of ld 2007-11-13 17:36:12 +00:00
Denis Vlasenko
15cb4a4272 fix a problem with two different applet_name's 2007-10-11 10:06:26 +00:00
Denis Vlasenko
9b49a5ed85 add -fvisibility=hidden to CC flags, mark XXX_main functions 
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
 2007-10-11 10:05:36 +00:00
Denis Vlasenko
724d196c75 Move applets/applet.c into libbb, allows to get rid of --whole-archive 
(smaller code). Tested in static and shared mode.
 2007-10-10 14:41:07 +00:00
Denis Vlasenko
141750e388 trylink: s/strip/$STRIP/g 2007-10-10 10:05:35 +00:00
Denis Vlasenko
42e418292d trylink: trivial cleanup 2007-10-09 18:01:13 +00:00
Denis Vlasenko
01f3b2c91a trylink: reformat link flags for readability 
trylink: add --sort-section alignment:
    text           data     bss     dec     hex filename
-   6557            428    3260   10245    2805 busybox
+   6555            428    3260   10243    2803 busybox
- 909621           1076   12108  922805   e14b5 libbusybox.so.1.8.0.svn
+ 908868           1050   12016  921934   e114e libbusybox.so.1.8.0.svn
 2007-10-09 13:49:26 +00:00
Denis Vlasenko
d19b87ece4 trylink: remove useless redirects, add missing error checks 2007-10-09 13:08:02 +00:00
Denis Vlasenko
8d755adc1a trylink: trivial fixes 2007-10-09 10:15:41 +00:00
Denis Vlasenko
e9fd69c8e8 make "individual applets" build less noisy. 
add *.tmp to list of files deleted by make mrproper.
 2007-10-08 22:16:14 +00:00
Denis Vlasenko
642a52d65e make --help work for "individual applets" too. 2007-10-07 21:00:41 +00:00
Denis Vlasenko
d62fd84d4b libbusybox: move (possibly compressed) help stuff into libbusybox. 
Makes individual binaries much smaller.
 2007-10-07 20:46:34 +00:00
Denis Vlasenko
f545be083d reviving libbusybox, adding CONFIG_INDIVIDUAL part 4 2007-10-07 17:06:26 +00:00
Denis Vlasenko
def8898596 reviving libbusybox, adding CONFIG_INDIVIDUAL part 3 2007-10-07 17:06:01 +00:00
Denis Vlasenko
76a6b236a9 reviving libbusybox, adding CONFIG_INDIVIDUAL part 2 2007-10-07 17:05:42 +00:00
Denis Vlasenko
3240474c23 reviving libbusybox, adding CONFIG_INDIVIDUAL part 1 2007-10-07 17:05:22 +00:00
Denis Vlasenko
9862e6b056 trylink: reinstate accidentally deleted --verbose 
trylink: remove commented-out parts
 2007-09-03 11:28:14 +00:00
Bernhard Reutner-Fischer
d2bb2d3918 - Generally strip off -l that does not pull in a lib. 
If l_list is non-empty then add the group flags.
 2007-09-02 15:28:30 +00:00
Bernhard Reutner-Fischer
8d91c13df5 - fix bug where we linked again -lm even though it is not needed. 
For BBOX_LIB_LIST="crypt m" trylink ... with just applet true, we pulled in
  libm because in this case we tried to use invalid flags (plain "-l" without
  a lib) which of course failed, thus the script thought that -lm was needed.

  The fix is not to pass "-l" without a lib if we are about to check if any
  or the last remaining lib is really needed.
 2007-09-02 14:51:54 +00:00
Denis Vlasenko
f87f495e65 Update defconfig; fix comments 2007-08-24 10:27:41 +00:00
Denis Vlasenko
dbe6e66d6a trylink: automatically use custom link script if user provides one 
vinfo_msg: one user (info_msg), incorporate in it
*: style fixes
 2007-08-14 16:43:01 +00:00
Denis Vlasenko
6ca409e0e4 trylink: produce even more info about final link stage 
trylink: explain how to modify link and drastically decrease amount
  of padding (unfortunately, needs hand editing ATM).
*: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts

size saving: 0.5k
 2007-08-12 20:58:27 +00:00
Denis Vlasenko
73f21e9cb3 trylink: s/&& exit 1/|| exit 1/ (spotted by Alex Landau <landau_alex@yahoo.com>) 2007-08-06 12:18:01 +00:00