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[Bug other/52847] New: "case" shell quoting problem in top-level makefile


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52847

             Bug #: 52847
           Summary: "case" shell quoting problem in top-level makefile
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: skunk@iskunk.org


[Configured on AIX with CC="gcc -mminimal-toc"]

$ gmake bootstrap-lean
echo stage3 > stage_final
/opt/freeware/bin/bash: command substitution: line 1: syntax error near
unexpected token `-mminimal-toc'
/opt/freeware/bin/bash: command substitution: line 1: `case gcc -mminimal-toc
in *gcc*) echo -Wl,-bbigtoc ;; esac;'
gmake[1]: Entering directory `/tmp/gcc-4.7.0-build'
gmake[2]: Entering directory `/tmp/gcc-4.7.0-build'
gmake[2]: Leaving directory `/tmp/gcc-4.7.0-build'
gmake[2]: Entering directory `/tmp/gcc-4.7.0-build'
Configuring stage 1 in ./intl
configure: creating cache ./config.cache
checking whether gmake sets $(MAKE)... yes
[...]

The above warning comes from the below line in the top-level makefile, under
the "host and target specific makefile fragments come in here" header:

    LDFLAGS = `case $(CC) in *gcc*) echo -Wl,-bbigtoc ;; esac;`

I believe this needs to be written as

    LDFLAGS = `case "$(CC)" in *gcc*) echo -Wl,-bbigtoc ;; esac;`

in order to accommodate values of $(CC) which contain spaces.


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