scripts: remove . from $PATH
Add CT_SanitizePath function which removes entries referring to ., /tmp
and non-existing directories from $PATH, and call it early in the
build script.
If . is in PATH, gcc-4.4.4 build breaks:
[ALL ] checking what assembler to use...
/tmp/build/targets/arm-unknown-linux-uclibcgnueabi/build/gcc-core-static/arm-unknown-linux-uclibcgnueabi/bin/as
...
[ALL ] config.status: creating as
i.e. "as" is supposed to be the arm-unknown-linux-uclibcgnueabi cross assembler,
but config.status creates a local "as" script which is calling the
host assembler.
Signed-off-by: Johannes Stezenbach <js@sig21.net>
[Yann E. MORIN: style fixes + explanations]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 20dd8cef1c8adff0aa3e78ae6d7acfbc45ed5a83)
1 Original patch from: ../4.3.2/330-unwind-for-uClibc.patch
3 -= BEGIN original header =-
4 -= END original header =-
6 diff -durN gcc-4.3.3.orig/gcc/config/t-linux-uclibc gcc-4.3.3/gcc/config/t-linux-uclibc
7 --- gcc-4.3.3.orig/gcc/config/t-linux-uclibc 1970-01-01 01:00:00.000000000 +0100
8 +++ gcc-4.3.3/gcc/config/t-linux-uclibc 2009-01-27 22:28:53.000000000 +0100
10 +# Remove glibc specific files added in t-linux
11 +SHLIB_MAPFILES := $(filter-out $(srcdir)/config/libgcc-glibc.ver, $(SHLIB_MAPFILES))
13 +# Use unwind-dw2-fde instead of unwind-dw2-fde-glibc
14 +LIB2ADDEH := $(subst unwind-dw2-fde-glibc.c,unwind-dw2-fde.c,$(LIB2ADDEH))
15 diff -durN gcc-4.3.3.orig/gcc/config.gcc gcc-4.3.3/gcc/config.gcc
16 --- gcc-4.3.3.orig/gcc/config.gcc 2009-01-27 22:25:37.000000000 +0100
17 +++ gcc-4.3.3/gcc/config.gcc 2009-01-27 22:28:53.000000000 +0100
18 @@ -2648,6 +2648,12 @@
22 +# Rather than hook into each target, just do it after all the linux
23 +# targets have been processed
25 + *-linux-uclibc*) tm_defines="${tm_defines} USE_UCLIBC" ; tmake_file="${tmake_file} t-linux-uclibc";;
29 i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1)
30 tmake_file="${tmake_file} i386/t-gmm_malloc"