On Tue, Sep 05, 2017 at 12:37:01PM -0300, Eriberto wrote: >> blhc doesn't check for bindnow (and PIE) per default unless you >> use the --bindnow (or --all) option. I get the same output for >> the following commands (which report the missing -Wl,-z,now): >> >> blhc --bindnow nload_0.7.4-2_amd64.build >> blhc --bindnow --debian nload_0.7.4-2_amd64.build > > Hum... I can't see anything. These commands report nothing for me.
Now I'm really confused. Which version of blhc are you using?
Here's again what I did and the output I get (running in the blhc
repository):
$ git describe
0.07-10-ga232d32
$ shasum bin/blhc
9abe92519031dbf88ebde59f53b4b7eb8943f1e0 bin/blhc
$ shasum nload_0.7.4-2_amd64.build
866d39fa12769a6c4f694aac890b893b4c9cfce7 nload_0.7.4-2_amd64.build
$ ./bin/blhc --bindnow nload_0.7.4-2_amd64.build
LDFLAGS missing (-Wl,-z,now): g++ -g -O2
-fdebug-prefix-map=/PKGS/nload/nload-0.7.4=. -fstack-protector-strong -Wformat
-Werror=format-security -Wall -Wl,-z,relro -s -o nload device.o devreader.o
devreaderfactory.o form_field.o graph.o main.o opt_window.o screen.o setting.o
settingfilter.o settingstore.o statistics.o stringutils.o traffic_window.o
window.o devreader-linux.o devreader-linux-proc.o devreader-linux-sys.o
-lform -lncurses
$ ./bin/blhc --bindnow --debian nload_0.7.4-2_amd64.build
LDFLAGS missing (-Wl,-z,now): g++ -g -O2
-fdebug-prefix-map=/PKGS/nload/nload-0.7.4=. -fstack-protector-strong -Wformat
-Werror=format-security -Wall -Wl,-z,relro -s -o nload device.o devreader.o
devreaderfactory.o form_field.o graph.o main.o opt_window.o screen.o setting.o
settingfilter.o settingstore.o statistics.o stringutils.o traffic_window.o
window.o devreader-linux.o devreader-linux-proc.o devreader-linux-sys.o
-lform -lncurses
>> However with the --all option you are required to also specify
>> the --arch option to ignore "missing" PIE flags (or use a build
>> log which reports the architecture) as PIE is only injected by
>> gcc on certain architectures:
>>
>> blhc --arch=amd64 --all --debian nload_0.7.4-2_amd64.build
>
> Can you add these information to manpage and add a new example?
Added in [1]. Suggestions (as patches) welcome.
Regards
Simon
[1]
https://ruderich.org/simon/gitweb/?p=blhc/blhc.git;a=commitdiff;h=8f13ff5cfeb4cd6f4102cd0448a9f5dfa089491e
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