[bug #44768] [PATCH] gdiffmk(1) is not Solaris 10 /bin/sh compatible

[G. Branden Robinson]

Update of bug #44768 (project groff):

                Category:                    None => Utilities              
                 Summary: gdiffmk(1) is not Solaris 10 /bin/sh compatible -
PATCH provided => [PATCH] gdiffmk(1) is not Solaris 10 /bin/sh compatible

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Follow-up Comment #27:


commit 64db09953a9f725077c4697bc290906f9770a80d
Author: Bertrand Garrigues <bertrand.garrigues@laposte.net>
Date:   Mon May 4 00:01:35 2015 +0200

    Fix Savannah bug #44768 (Solaris 10 compatibility issues).
    
    * m4/groff.m4 (GROFF_DIFF_D): new macro to check if `diff' has
    option -D, and search for `gdiff' if not (new variable DIFF_PROG
    will contain the `diff' program to be used).
    
    * m4/groff.m4 (GROFF_HAVE_TEST_EF_OPTION): new macro to check if
    `test' supports the option -ef (created new variable
    HAVE_TEST_EF_OPTION).
    
    * m4/groff.m4 (GROFF_BASH): new macro to search for `bash' (new
    variable BASH_PROG will contain the full path to `bash' or
    `/bin/sh' if `bash' was not found).
    
    * configure.ac: use the 3 new macros defined in m4/groff.m4.
    
    * contrib/gdiffmk/gdiffmk.am: set HAVE_TEST_EF_OPTION, BASH_PROG,
    DIFF_PROG in the generated script `gdiffmk'.
    
    * contrib/gdiffmk/gdiffmk.sh:
    - Fix incorrect space after '!' in sed script regex.
    - `test -ef' is not portable: If `bash' is not available and the
    shell does not support `test -ef', the option to pass a third
    argument as the output file is disabled.
    - Report an error if `diff' does not support -D option.
    - GNU diff and Solaris diff support -D, but #ifndef / #endif are
    treated differently (GNU adds a '!' in the #endif): modify the
    regexs in the sed script accordingly.



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