[Bug ld/12712] New: genscripts.sh produces unusable ld when executed with Bourne Shell

[hume-ml+sourceware at bofh dot ca]

http://sourceware.org/bugzilla/show_bug.cgi?id=12712

           Summary: genscripts.sh produces unusable ld when executed with
                    Bourne Shell
           Product: binutils
           Version: 2.21
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: address@hidden
        ReportedBy: address@hidden


When compiling binutils, the Makefile for ld will execute genscripts.sh using
"$(SHELL)".  Unless altered, SHELL will default to /bin/sh.  On platforms such
as Solaris or OpenIndiana, /bin/sh is *not* bash.  This results in corruption
of the linker scripts, which only manifests later when ld is actually run.

The problem is hinted at during the compile:

LIB_PATH='' /bin/sh ../../binutils-2.21/ld/genscripts.sh
"../../binutils-2.21/ld" "/arm_dev/arm-unknown-linux-uclibc/lib"
"/arm_dev/arm-unknown-linux-uclibc" "/arm_dev/arm-unknown-linux-uclibc"
i386-pc-solaris2.11 arm-unknown-linux-uclibc arm-unknown-linux-uclibc
"armelf_linux armelfb_linux" "/usr/local/lib /lib /usr/lib" yes armelf
"arm-unknown-linux-uclibc"
sed: ldscripts/armelf.xw.tmp: No such file or directory
sed: ldscripts/armelf.xc.tmp: No such file or directory
sed: ldscripts/armelf.xsc.tmp: No such file or directory
sed: ldscripts/armelf.xsw.tmp: No such file or directory
sed: ldscripts/armelf.xsw.tmp: No such file or directory


And then later, when attempting to execute ld, even from the build tree:

shumira:/arm_dev/build/stage1/build-binutils-2.21/ld> ./ld-new
./ld-new:built in linker script:14: syntax error

Simply executing "make" with "SHELL=/bin/bash" is enough to cure the issue.  It
might be more portable to fix the script (synchronization issue with subshells)
but /bin/bash exists almost everywhere.

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