From e9dbb5e395097f4ae38d17cf27408c2688b90d2b Mon Sep 17 00:00:00 2001 From: Nick Mathewson Date: Fri, 18 Sep 2020 12:17:02 -0400 Subject: [PATCH] Build one big .a library full of Tor's implementation. This is experimental and probably will break some platforms --- Makefile.am | 21 ++++++++++++++-- scripts/build/combine_libs | 35 +++++++++++++++++++++++++++ scripts/codegen/fuzzing_include_am.py | 4 +-- src/app/include.am | 4 +-- src/test/include.am | 10 ++++---- 5 files changed, 63 insertions(+), 11 deletions(-) create mode 100755 scripts/build/combine_libs diff --git a/Makefile.am b/Makefile.am index 136368088e..50b002139e 100644 --- a/Makefile.am +++ b/Makefile.am @@ -14,6 +14,7 @@ CLEANFILES= TESTS= noinst_PROGRAMS= DISTCLEANFILES= +MOSTLYCLEANFILES= bin_SCRIPTS= AM_CPPFLAGS=\ -I$(top_srcdir)/src \ @@ -137,6 +138,13 @@ TOR_INTERNAL_LIBS = \ src/trunnel/libor-trunnel.a \ src/lib/libtor-trace.a +libtor.a: $(TOR_INTERNAL_LIBS) + $(AM_V_AR) export AR="$(AR)"; \ + export ARFLAGS="$(ARFLAGS)"; \ + $(top_srcdir)/scripts/build/combine_libs libtor.a $(TOR_INTERNAL_LIBS) + +MOSTLYCLEANFILES += libtor.a + # Variants of the above for linking the testing variant of tor (for coverage # and tests) if UNITTESTS_ENABLED @@ -148,6 +156,14 @@ TOR_INTERNAL_TESTING_LIBS = \ $(TOR_UTIL_TESTING_LIBS) \ src/trunnel/libor-trunnel-testing.a \ src/lib/libtor-trace.a + +src/test/libtor-testing.a: $(TOR_INTERNAL_TESTING_LIBS) + $(AM_V_AR) export AR="$(AR)"; \ + export ARFLAGS="$(ARFLAGS)"; \ + export RANLIB="$(RANLIB)"; \ + $(top_srcdir)/scripts/build/combine_libs src/test/libtor-testing.a $(TOR_INTERNAL_TESTING_LIBS) + +MOSTLYCLEANFILES += src/test/libtor-testing.a endif TOR_LDFLAGS_CRYPTLIB=@TOR_LDFLAGS_openssl@ @@ -175,6 +191,7 @@ EXTRA_DIST+= \ Makefile.nmake \ README \ ReleaseNotes \ + scripts/build/combine_libs \ scripts/maint/checkIncludes.py \ scripts/maint/checkSpace.pl \ scripts/maint/checkSpaceTest.sh \ @@ -701,7 +718,7 @@ show-distdir-core: file $(distdir)/_build/core; fi show-libs: - @echo $(TOR_INTERNAL_LIBS) + @echo libtor.a show-testing-libs: - @echo $(TOR_INTERNAL_TESTING_LIBS) + @echo src/test/libtor-testing.a diff --git a/scripts/build/combine_libs b/scripts/build/combine_libs new file mode 100755 index 0000000000..fb311552fe --- /dev/null +++ b/scripts/build/combine_libs @@ -0,0 +1,35 @@ +#!/bin/sh + +set -e + +TMPDIR="$(mktemp -d -t tor_lib_combining.XXXXXX)" +ORIGDIR="$(pwd)" + +trap 'cd "$ORIGDIR" && rm -rf "$TMPDIR"' 0 + +abspath() { + echo "$(cd "$(dirname "$1")">/dev/null && pwd)/$(basename "$1")" +} + +TARGET=$(abspath "$1") + +#echo ORIGDIR="$ORIGDIR" +#echo AR="$AR" +#echo ARFLAGS="$AFLAGS" + +shift + +for input in "$@"; do + cd "$ORIGDIR" + abs=$(abspath "$input") + dir="$TMPDIR"/$(basename "$input" .a) + mkdir "$dir" + cd "$dir">/dev/null + ar x "$abs" +done + +cd "$TMPDIR" >/dev/null +#echo "${AR:-ar}" "${ARFLAGS:-cru}" library.tmp.a ./*/** +"${AR:-ar}" "${ARFLAGS:-cru}" library.tmp.a ./*/** +"${RANLIB:-ranlib}" library.tmp.a +mv -f library.tmp.a "$TARGET" diff --git a/scripts/codegen/fuzzing_include_am.py b/scripts/codegen/fuzzing_include_am.py index b3892b6fd3..3f8e51810b 100755 --- a/scripts/codegen/fuzzing_include_am.py +++ b/scripts/codegen/fuzzing_include_am.py @@ -31,7 +31,7 @@ FUZZING_CFLAGS = \ FUZZING_LDFLAG = \ @TOR_LDFLAGS_zlib@ $(TOR_LDFLAGS_CRYPTLIB) @TOR_LDFLAGS_libevent@ FUZZING_LIBS = \ - $(TOR_INTERNAL_TESTING_LIBS) \ + src/test/libtor-testing.a \ $(rust_ldadd) \ @TOR_ZLIB_LIBS@ @TOR_LIB_MATH@ \ @TOR_LIBEVENT_LIBS@ $(TOR_LIBS_CRYPTLIB) \ @@ -41,7 +41,7 @@ FUZZING_LIBS = \ @TOR_ZSTD_LIBS@ oss-fuzz-prereqs: \ - $(TOR_INTERNAL_TESTING_LIBS) + src/test/libtor-testing.a noinst_HEADERS += \ src/test/fuzz/fuzzing.h diff --git a/src/app/include.am b/src/app/include.am index 8488a1bf19..b81fad0276 100644 --- a/src/app/include.am +++ b/src/app/include.am @@ -15,7 +15,7 @@ src_app_tor_SOURCES = src/app/main/tor_main.c # matters a lot there, and is quite hard to debug if you forget to do it. src_app_tor_LDFLAGS = @TOR_LDFLAGS_zlib@ $(TOR_LDFLAGS_CRYPTLIB) @TOR_LDFLAGS_libevent@ -src_app_tor_LDADD = $(TOR_INTERNAL_LIBS) \ +src_app_tor_LDADD = libtor.a \ $(rust_ldadd) \ @TOR_ZLIB_LIBS@ @TOR_LIB_MATH@ @TOR_LIBEVENT_LIBS@ $(TOR_LIBS_CRYPTLIB) \ @TOR_LIB_WS32@ @TOR_LIB_IPHLPAPI@ @TOR_LIB_SHLWAPI@ @TOR_LIB_GDI@ @TOR_LIB_USERENV@ \ @@ -27,7 +27,7 @@ src_app_tor_cov_SOURCES = $(src_app_tor_SOURCES) src_app_tor_cov_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_CPPFLAGS) src_app_tor_cov_CFLAGS = $(AM_CFLAGS) $(TEST_CFLAGS) src_app_tor_cov_LDFLAGS = @TOR_LDFLAGS_zlib@ $(TOR_LDFLAGS_CRYPTLIB) @TOR_LDFLAGS_libevent@ -src_app_tor_cov_LDADD = $(TOR_INTERNAL_TESTING_LIBS) \ +src_app_tor_cov_LDADD = src/test/libtor-testing.a \ @TOR_ZLIB_LIBS@ @TOR_LIB_MATH@ @TOR_LIBEVENT_LIBS@ $(TOR_LIBS_CRYPTLIB) \ @TOR_LIB_WS32@ @TOR_LIB_IPHLPAPI@ @TOR_LIB_SHLWAPI@ @TOR_LIB_GDI@ \ @CURVE25519_LIBS@ @TOR_SYSTEMD_LIBS@ \ diff --git a/src/test/include.am b/src/test/include.am index 816eba894e..fe55991f82 100644 --- a/src/test/include.am +++ b/src/test/include.am @@ -310,7 +310,7 @@ src_test_test_switch_id_LDADD = \ src_test_test_LDFLAGS = @TOR_LDFLAGS_zlib@ $(TOR_LDFLAGS_CRYPTLIB) \ @TOR_LDFLAGS_libevent@ src_test_test_LDADD = \ - $(TOR_INTERNAL_TESTING_LIBS) \ + src/test/libtor-testing.a \ $(rust_ldadd) \ @TOR_ZLIB_LIBS@ @TOR_LIB_MATH@ @TOR_LIBEVENT_LIBS@ \ $(TOR_LIBS_CRYPTLIB) @TOR_LIB_WS32@ @TOR_LIB_IPHLPAPI@ @TOR_LIB_SHLWAPI@ @TOR_LIB_GDI@ @TOR_LIB_USERENV@ \ @@ -339,7 +339,7 @@ src_test_test_memwipe_LDFLAGS = $(src_test_test_LDFLAGS) @CFLAGS_BUGTRAP@ src_test_bench_LDFLAGS = @TOR_LDFLAGS_zlib@ $(TOR_LDFLAGS_CRYPTLIB) \ @TOR_LDFLAGS_libevent@ src_test_bench_LDADD = \ - $(TOR_INTERNAL_LIBS) \ + libtor.a \ $(rust_ldadd) \ @TOR_ZLIB_LIBS@ @TOR_LIB_MATH@ @TOR_LIBEVENT_LIBS@ \ $(TOR_LIBS_CRYPTLIB) @TOR_LIB_WS32@ @TOR_LIB_IPHLPAPI@ @TOR_LIB_SHLWAPI@ @TOR_LIB_GDI@ @TOR_LIB_USERENV@ \ @@ -349,7 +349,7 @@ src_test_bench_LDADD = \ src_test_test_workqueue_LDFLAGS = @TOR_LDFLAGS_zlib@ $(TOR_LDFLAGS_CRYPTLIB) \ @TOR_LDFLAGS_libevent@ src_test_test_workqueue_LDADD = \ - $(TOR_INTERNAL_TESTING_LIBS) \ + src/test/libtor-testing.a \ $(rust_ldadd) \ @TOR_ZLIB_LIBS@ @TOR_LIB_MATH@ @TOR_LIBEVENT_LIBS@ \ $(TOR_LIBS_CRYPTLIB) @TOR_LIB_WS32@ @TOR_LIB_IPHLPAPI@ @TOR_LIB_SHLWAPI@ @TOR_LIB_GDI@ @TOR_LIB_USERENV@ \ @@ -398,7 +398,7 @@ noinst_PROGRAMS+= src/test/test-hs-ntor-cl src_test_test_ntor_cl_SOURCES = src/test/test_ntor_cl.c src_test_test_ntor_cl_LDFLAGS = @TOR_LDFLAGS_zlib@ $(TOR_LDFLAGS_CRYPTLIB) src_test_test_ntor_cl_LDADD = \ - $(TOR_INTERNAL_LIBS) \ + libtor.a \ $(rust_ldadd) \ @TOR_ZLIB_LIBS@ @TOR_LIB_MATH@ \ $(TOR_LIBS_CRYPTLIB) @TOR_LIB_WS32@ @TOR_LIB_IPHLPAPI@ @TOR_LIB_SHLWAPI@ @TOR_LIB_GDI@ @TOR_LIB_USERENV@ \ @@ -409,7 +409,7 @@ src_test_test_ntor_cl_AM_CPPFLAGS = \ src_test_test_hs_ntor_cl_SOURCES = src/test/test_hs_ntor_cl.c src_test_test_hs_ntor_cl_LDFLAGS = @TOR_LDFLAGS_zlib@ $(TOR_LDFLAGS_CRYPTLIB) src_test_test_hs_ntor_cl_LDADD = \ - $(TOR_INTERNAL_LIBS) \ + libtor.a \ @TOR_ZLIB_LIBS@ @TOR_LIB_MATH@ \ $(TOR_LIBS_CRYPTLIB) @TOR_LIB_WS32@ @TOR_LIB_IPHLPAPI@ @TOR_LIB_SHLWAPI@ @TOR_LIB_GDI@ \ @CURVE25519_LIBS@ @TOR_TRACE_LIBS@