commit 2e1ac274abed4127a6a30b753297166caf59feb1 Author: Nick Mathewson nickm@torproject.org Date: Wed May 7 03:56:51 2014 -0400
Script to detect unused autoconf outputs
Should help speed up mingw builds by a percent or two. --- configure.ac | 4 +--- scripts/README | 3 +++ scripts/maint/check_config_macros.pl | 20 ++++++++++++++++++++ 3 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/configure.ac b/configure.ac index a96a333..d321092 100644 --- a/configure.ac +++ b/configure.ac @@ -437,7 +437,6 @@ AC_CHECK_FUNCS([event_get_version \ event_get_version_number \ event_get_method \ event_set_log_callback \ - evdns_set_outgoing_bind_address \ evutil_secure_rng_set_urandom_device_file \ evutil_secure_rng_init \ event_base_loopexit]) @@ -445,7 +444,7 @@ AC_CHECK_MEMBERS([struct event.min_heap_idx], , , [#include <event.h> ])
-AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h) +AC_CHECK_HEADERS(event2/event.h event2/dns.h)
LIBS="$save_LIBS" LDFLAGS="$save_LDFLAGS" @@ -1235,7 +1234,6 @@ if [[ $dmalloc -eq 1 ]]; then AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?)) AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.)) AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library]) - AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check]) AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup) fi
diff --git a/scripts/README b/scripts/README index f2cb501..70c7639 100644 --- a/scripts/README +++ b/scripts/README @@ -6,6 +6,9 @@ Code maintenance scripts
maint/checkLogs.pl -- Verify that Tor log statements are unique.
+maint/check_config_macros.pl -- Look for autoconf tests whose results are +never used. + maint/checkOptionDocs.pl -- Make sure that Tor options are documented in the manpage, and that the manpage only documents real Tor options.
diff --git a/scripts/maint/check_config_macros.pl b/scripts/maint/check_config_macros.pl new file mode 100755 index 0000000..bcde2be --- /dev/null +++ b/scripts/maint/check_config_macros.pl @@ -0,0 +1,20 @@ +#!/usr/bin/perl -w + +use strict; + +my @macros = (); + +open(F, 'orconfig.h.in'); +while(<F>) { + if (/^#undef +([A-Za-z0-9_]*)/) { + push @macros, $1; + } +} +close F; + +for my $m (@macros) { + my $s = `git grep '$m' src`; + if ($s eq '') { + print "Unused: $m\n"; + } +}