Hack around HP/UX 10.20 sed bug

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@12891 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/fixincludes b/gcc/fixincludes
index a687766..4071754 100755 (executable)
--- a/gcc/fixincludes
+++ b/gcc/fixincludes
@@ -261,6 +261,8 @@ while [ $# != 0 ]; do
        || echo "Can't copy $file"
        chmod +w $2/$file
        chmod a+r $2/$file
+       # The fixinc_eol stuff is to work around a bug in the sed
+       # program on HP/UX 10.20.
        # Here is how the sed commands in braces work.
        # (It doesn't work to put the comments inside the sed commands.)
                # Surround each word with spaces, to simplify matching below.
@@ -270,7 +272,9 @@ while [ $# != 0 ]; do
        sed -e '
                                   :loop
          /\\$/                 N
+         s/\\$/\\*fixinc_eol*/
          /\\$/                 b loop
+         s/\\\*fixinc_eol\*/\\/g
          s%^\([        ]*#[    ]*else\)[       ]*/[^*].*%\1%
          s%^\([        ]*#[    ]*else\)[       ]*[^/   ].*%\1%
          s%^\([        ]*#[    ]*endif\)[      ]*/[^*].*%\1%