25 lines
844 B
Diff
25 lines
844 B
Diff
diff -uNr apr-1.4.5.orig/build/apr_common.m4 apr-1.4.5/build/apr_common.m4
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--- apr-1.4.5.orig/build/apr_common.m4 2011-11-21 19:58:38.341263862 +0100
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+++ apr-1.4.5/build/apr_common.m4 2011-11-21 20:07:28.368394177 +0100
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@@ -202,14 +202,18 @@
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dnl for a user to override configure when it does something stupid.
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dnl
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AC_DEFUN([APR_RESTORE_THE_ENVIRONMENT], [
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-if test "x$apr_ste_save_$1" = "x"; then
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+dnl Check whether $apr_ste_save_$1 is empty or
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+dnl only whitespace. The verbatim "X" is token number 1,
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+dnl the following whitespace will be ignored.
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+set X $apr_ste_save_$1
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+if test ${#} -eq 1; then
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$2$1="$$1"
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$1=
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else
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if test "x$apr_ste_save_$1" = "x$$1"; then
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$2$1=
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else
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- $2$1=`echo $$1 | sed -e "s%${apr_ste_save_$1}%%"`
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+ $2$1=`echo "$$1" | sed -e "s%${apr_ste_save_$1}%%"`
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$1="$apr_ste_save_$1"
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fi
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fi
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