18 lines
838 B
Diff
18 lines
838 B
Diff
diff --git a/m4/db.m4 b/m4/db.m4
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index c916c2b83..a9dd5ef2b 100644
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--- a/m4/db.m4
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+++ b/m4/db.m4
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@@ -96,9 +96,9 @@ if test -z "$db_inc"; then
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fi
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dnl figure out which version of db we're using from the header file
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-db_ver_maj=`grep DB_VERSION_MAJOR $db_incdir/db.h | awk '{print $3}'`
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-db_ver_min=`grep DB_VERSION_MINOR $db_incdir/db.h | awk '{print $3}'`
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-db_ver_pat=`grep DB_VERSION_PATCH $db_incdir/db.h | awk '{print $3}'`
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+db_ver_maj=`gcc -E -fdirectives-only $db_incdir/db.h | grep DB_VERSION_MAJOR | awk '{print $3}'`
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+db_ver_min=`gcc -E -fdirectives-only $db_incdir/db.h | grep DB_VERSION_MINOR | awk '{print $3}'`
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+db_ver_pat=`gcc -E -fdirectives-only $db_incdir/db.h | grep DB_VERSION_PATCH | awk '{print $3}'`
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dnl Ensure that we have libdb at least 4.7, older versions aren't supported
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if test ${db_ver_maj} -lt 4; then
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