[Buildroot] unsafe header/library path used in cross-compilation: '-I/usr/include/readline'
Peter Seiderer
ps.report at gmx.net
Tue Feb 27 11:54:27 UTC 2018
Hello Sjoerd,
On Mon, 26 Feb 2018 18:51:30 +0100, Sjoerd Venema <srg.venema at gmail.com> wrote:
> Hi Baruch,
>
> Still fails on the readline.h
>
> Full output:
> https://pastebin.com/1eM3dZBiusr/include/readline
>
> I'm starting to think that there's a problem with the installation of
> readline perhaps?
No, a problem with the suggested patch, try the following:
diff --git a/package/ecasound/0001-makefile.am-unsafereadine.patch b/package/ecasound/0001-makefile.am-unsafereadine.patch
index a7eb1c3824..87a8eb078e 100644
--- a/package/ecasound/0001-makefile.am-unsafereadine.patch
+++ b/package/ecasound/0001-makefile.am-unsafereadine.patch
@@ -2,7 +2,7 @@
+++ ecasound-2.9.1/ecasound/Makefile.am 2018-02-27 12:49:04.641658026 +0100
@@ -1,4 +1,4 @@
-INCLUDES = -I$(ECA_S_READLINE_INCLUDES) -I$(srcdir) -I$(top_srcdir) -I$(top_srcdir)/libecasound -I$(top_srcdir)/kvutils
-+INCLUDES = -I=/readline -I$(srcdir) -I$(top_srcdir) -I$(top_srcdir)/libecasound -I$(top_srcdir)/kvutils
++INCLUDES = -I=/usr/include/readline -I$(srcdir) -I$(top_srcdir) -I$(top_srcdir)/libecasound -I$(top_srcdir)/kvutils
if ECA_AM_USE_NCURSES
termcap_library_ncurses = -lncurses
diff --git a/package/ecasound/Config.in b/package/ecasound/Config.in
index b443127bf8..15338b13aa 100644
--- a/package/ecasound/Config.in
+++ b/package/ecasound/Config.in
@@ -1,5 +1,6 @@
config BR2_PACKAGE_ECASOUND
bool "ecasound"
+ select BR2_PACKAGE_READLINE
help
Ecasound is a software package designed for
multitrack audio processing.
diff --git a/package/ecasound/ecasound.mk b/package/ecasound/ecasound.mk
index 657248e78b..f48ed4168c 100644
--- a/package/ecasound/ecasound.mk
+++ b/package/ecasound/ecasound.mk
@@ -10,7 +10,7 @@ ECASOUND_SITE = http://ecasound.seul.org/download
ECASOUND_INSTALL_STAGING = NO
ECASOUND_INSTALL_TARGET = YES
#ECASOUND_CONF_OPTS =
-ECASOUND_DEPENDENCIES = readline
+ECASOUND_DEPENDENCIES = host-pkgconf readline
ECASOUND_AUTORECONF = YES
$(eval $(autotools-package))
Regards,
Peter
>
> kind regards,
> Sjoerd
>
> On 26 February 2018 at 06:42, Baruch Siach <baruch at usr/include/readlinetkos.co.il> wrote:
>
> > Hi Sjoerd,
> >
> > On Sun, Feb 25, 2018 at 11:12:10AM +0100, Sjoerd Venema wrote:
> > > Thanks for the patch, at this point, quick hacks are welcome ;-).
> > > I'm new at Buildroot and (Cross-)Compilation. So, it's not always that
> > > clear to me what errors mean exactly and how to deal with them.
> > >
> > > The patch, however, doesn't seem to work:
> > >
> > > On 25 February 2018 at 06:36, Baruch Siach <baruch at tkos.co.il> wrote:
> > >
> > > > Hi Sjoerd Venema,
> > > >
> > > > On Sun, Feb 25, 2018 at 01:03:03AM +0100, Sjoerd Venema wrote:
> > > > > Ok, but package BR2_PACKAGE_READLINE is actually selected. Still, I
> > get
> > > > the
> > > > > error.
> > > > > I'm now running a make clean all, to be sure, but I don't think it
> > > > resolves
> > > > > the issue. This is my .mk file:
> > > > >
> > > > > ############################################################
> > > > ####################
> > > > > #
> > > > > # ecasound
> > > > > #
> > > > > ############################################################
> > > > #################### usr/include/readline
> > > > >
> > > > > ECASOUND_VERSION = 2.9.1
> > > > > ECASOUND_SOURCE = ecasound-$(ECASOUND_VERSION).tar.gz
> > > > > ECASOUND_SITE = http://ecasound.seul.org/download
> > > > > ECASOUND_INSTALL_STAGING = NO
> > > > > ECASOUND_INSTALL_TARGET = YES
> > > > > #ECASOUND_CONF_OPTS =
> > > > > ECASOUND_DEPENDENCIES = readline
> > > > >
> > > > > $(eval $(autotools-package))
> > > >
> > > > Unfortunately the ecasound build systems is not cross compile
> > friendly. It
> > > > insists on looking for readline.h in the host include directory. The
> > quick
> > > > hack below might help. Make sure to add _AUTORECONF to regenerate the
> > > > Makefile.
> > >
> > > Added.
> > >
> > > > This does not fix the cross compile issue completely, since ecasound
> > still
> > > > depends on readline headers being installed on your host, otherwise
> > > > configure
> > > > failes.
> > > >
> > > > diff --git a/ecasound/Makefile.am b/ecasound/Makefile.am
> > > > index 9378d40ecb10..d2e58ab6e50c 100644
> > > > --- a/ecasound/Makefile.amusr/include/readline
> > > > +++ b/ecasound/Makefile.am
> > > > @@ -1,4 +1,4 @@
> > > > -AM_CPPFLAGS = -I$(ECA_S_READLINE_INCLUDES) -I$(srcdir) -I$(top_srcdir)
> > > > -I$(top_srcdir)/libecasound -I$(top_srcdir)/kvutils
> > > > +AM_CPPFLAGS = -I=/readline -I$(srcdir) -I$(top_srcdir)
> > > > -I$(top_srcdir)/libecasound -I$(top_srcdir)/kvutils
> > > >
> > > >
> > > This patch gives me an error:
> > >
> > > >>> ecasound 2.9.1 Patching
> > >
> > > Applying 0001-makefile.am-unsafereadline.patch using patch:
> > > patching file ecasound/Makefile.am
> > > Hunk #1 FAILED at 1.
> > > 1 out of 1 hunk FAILED -- saving rejects to file ecasound/Makefile.am.rej
> > > make[1]: ***
> > > [/home/buildroot/buildroot-2018.02-rc2/output/build/
> > ecasound-2.9.1/.stamp_patched]
> > > Error 1
> > > make: *** [_all] Error 2
> > >
> > > Can't find that .rej file. But upon closer inspection, there is no
> > > AM_CPPFLAGS in Makefile.am.
> > > There is one in the Makefile:
> > >
> > > AM_CPPFLAGS = -D_REENTRANT -D_XOPEN_SOURCE=600
> > >
> > > I've tried appending the line from the patch, but no luck on that.
> >
> > That's because I generated the patch against the master branch. Here it is
> > against v2.9.1:
> >
> > diff --git a/ecasound/Makefile.am b/ecasound/Makefile.am
> > index 7346a51d5b94..1223f346aff7 100644
> > --- a/ecasound/Makefile.am
> > +++ b/ecasound/Makefile.am
> > @@ -1,4 +1,4 @@
> > -INCLUDES = -I$(ECA_S_READLINE_INCLUDES) -I$(srcdir) -I$(top_srcdir)
> > -I$(top_srcdir)/libecasound -I$(top_srcdir)/kvutils
> > +INCLUDES = -I=/readline -I$(srcdir) -I$(top_srcdir)
> > -I$(top_srcdir)/libecasound -I$(top_srcdir)/kvutils
> >
> > if ECA_AM_USE_NCURSES
> > termcap_library_ncurses = -lncurses
> >
> > > > if ECA_AM_USE_NCURSES
> > > > termcap_library_ncurses = -lncurses
> > >
> > > Should this be part of the patch too?
> >
> > Yes. This is the patch hunk context. See
> > https://en.wikipedia.org/wiki/Diff_utility#Unified_format.
> >
>
> Thanks, that clarifies that.
>
>
>
> >
> > > > > On 24 February 2018 at 22:25, Baruch Siach <baruchusr/include/readline at tkos.co.il>
> > wrote:
> > > > > > On Sat, Feb 24, 2018 at 10:12:19PM +0100, Sjoerd Venema wrote:
> > > > > > > I'm getting an "unsafe header/library path used in
> > > > > > cross-compilation"-error
> > > > > > > while building ecasound (https://ecasound.seul.org/
> > > > ecasound/download.php
> > > > > > ).
> > > > > > > From what I've read so far is that it's because the makefile
> > > > references
> > > > > > the
> > > > > > > /usr/-directory. What I can't figure out is how to change the
> > > > makefile to
> > > > > > > not do that. Turning on/off the "paranoid"-function in menuconfig
> > > > didn't
> > > > > > > make a difference.
> > > > > >
> > > > > > There is no ecasound package in current Buildroot. Have you added
> > this
> > > > > > package
> > > > > > locally?
> > > > > >
> > > > > > > [buildroot at br buildroot]$ make ecasound
> > > > > > > >>> ecasound 2.9.1 Building
> > > > > > > PATH="/home/buildroot/buildroot-2018.02-rc2/output/
> > > > > > host/bin:/home/buildroot/buildroot-2018.02-rc2/output/
> > > > > > host/sbin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:
> > > > > > /home/buildroot/.local/bin:/home/buildroot/bin"
> > > > > > > /usr/bin/make -j5 -C
> > > > > > > /home/buildroot/buildroot-2018.02-rc2/output/build/
> > ecasound-2.9.1/
> > > > > > > /usr/bin/make all-recursive
> > > > > > > Making all in kvutils
> > > > > > > make[4]: Nothing to be done for `all'.
> > > > > > > Making all in libecasound
> > > > > > > Making all in plugins
> > > > > > > make[5]: Nothing to be done for `all'.
> > > > > > > make[5]: Nothing to be done for `all-am'.
> > > > > > > Making all in ecasound
> > > > > > > /home/buildroot/buildroot-2018.02-rc2/output/host/bin/
> > > > > > arm-buildroot-linux-uclibcgnueabihf-g++
> > > > > > > -DHAVE_CONFIG_H -I. -I. -I.. *-I/usr/include/readline* -I. -I..
> > > > > > > -I../libecasound -I../kvutils -D_REENTRANT -D_XOPEN_SOURCE=600
> > > > > > > -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
> > > > > > > -ffast-math -fstrict-aliasing -DNDEBUG -DENABLE_DBC
> > > > -D_LARGEFILE_SOURCE
> > > > > > > -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -c -o
> > eca-curses.o
> > > > > > > eca-curses.cpp
> > > > > > > arm-buildroot-linux-uclibcgnueabihf-g++: WARNING: unsafe
> > > > header/library
> > > > > > > path used in cross-compilation: '*-I/usr/include/readline*'
> > > > > >
> > > > > > This is just a warning, it doesn't break your build. But you should
> > > > fix it.
> > > > > >
> > > > > > The BR2_COMPILER_PARANOID_UNSAFE_PATH option makes this a hard
> > error.
> > > > But
> > > > > > the
> > > > > > warning is shown anyway.
> > > > > >
> > > > > > > eca-curses.cpp:46:22: fatal error: readline.h: No such file or
> > > > directory
> > > > > > > #include <readline.h>
> > > > > > > ^
> > > > > >
> > > > > > This is your problem. Your package need readline. You need to
> > select
> > > > > > BR2_PACKAGE_READLINE, as well as add readline to your package
> > > > dependencies.
> > > > > >
> > > > > > > compilation terminated.
> > > > > > > make[4]: *** [eca-curses.o] Error 1
> > > > > > > make[3]: *** [all-recursive] Error 1
> > > > > > > make[2]: *** [all] Error 2
> > > > > > > make[1]: ***
> > > > > > > [/home/buildroot/buildroot-2018.02-rc2/output/build/
> > > > > > ecasound-2.9.1/.stamp_built]
> > > > > > > Error 2
> > > > > > > make: *** [_all] Error 2
> >
> > --
> > http://baruch.siach.name/blog/ ~. .~ Tk Open
> > Systems
> > =}------------------------------------------------ooO--U--
> > Ooo------------{=
> > - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
> >
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