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Comparing gvpe/configure.ac (file contents):
Revision 1.65 by root, Wed Nov 2 07:06:38 2016 UTC vs.
Revision 1.67 by root, Thu Oct 25 07:31:58 2018 UTC

1dnl Process this file with autoconf to produce a configure script. 1dnl Process this file with autoconf to produce a configure script.
2 2
3AC_PREREQ(2.69) 3AC_PREREQ(2.69)
4AC_INIT 4AC_INIT(gvpe, 3.1)
5AC_CONFIG_SRCDIR([src/gvpe.C]) 5AC_CONFIG_SRCDIR([src/gvpe.C])
6AC_CANONICAL_TARGET 6AC_CANONICAL_TARGET
7AM_INIT_AUTOMAKE(gvpe, 3.0) 7AM_INIT_AUTOMAKE
8AC_CONFIG_HEADERS([config.h]) 8AC_CONFIG_HEADERS([config.h])
9AM_MAINTAINER_MODE 9AM_MAINTAINER_MODE
10 10
11AH_TOP([ 11AH_TOP([
12#ifndef CONFIG_H__ 12#ifndef CONFIG_H__
… …
234AC_CACHE_SAVE 234AC_CACHE_SAVE
235 235
236dnl These are defined in files in m4/ 236dnl These are defined in files in m4/
237tinc_TUNTAP 237tinc_TUNTAP
238 238
239tinc_OPENSSL 239PKG_CHECK_MODULES([LIBCRYPTO], [libcrypto >= 1])
240if test "x$openssl_include" != x; then
241 CXXFLAGS="$CXXFLAGS -I$openssl_include"
242fi
243dnl tinc_ZLIB
244 240
245AC_ARG_ENABLE(threads, 241AC_ARG_ENABLE(threads,
246 [AS_HELP_STRING(--enable-threads,try to use threads for long-running asynchronous operations (default enabled).)], 242 [AS_HELP_STRING(--enable-threads,try to use threads for long-running asynchronous operations (default enabled).)],
247 [try_threads=$enableval], 243 [try_threads=$enableval],
248 [try_threads=yes] 244 [try_threads=yes]
… …
415dnl 411dnl
416dnl if $LD -v --help 2>&1 | grep -q gc-sections; then 412dnl if $LD -v --help 2>&1 | grep -q gc-sections; then
417dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections" 413dnl LDFLAGS="$LDFLAGS -Wl,--gc-sections"
418dnl fi 414dnl fi
419 415
420AC_SUBST(INCLUDES) 416AC_SUBST(AM_CPPFLAGS)
421 417
422AC_CONFIG_FILES([Makefile po/Makefile.in 418AC_CONFIG_FILES([Makefile po/Makefile.in
423src/Makefile 419src/Makefile
424doc/Makefile 420doc/Makefile
425lib/Makefile 421lib/Makefile
… …
449fi 445fi
450 446
451echo "***" 447echo "***"
452echo 448echo
453 449
450if pkg-config --exists 'libcrypto >= 1.1 libcrypto < 2.0'; then
451 cat <<EOF
452@<:@33m
453***
454*** WARNING WARNING WARNING WARNING WARNING WARNING WARNING
455***
456*** You seem to configure gvpe with OpenSSL 1.1 or newer.
457*** While this probably compiles, please note that this is not only
458*** unsupported, but also discouraged.
459***
460*** It is recommended to use either OpenSSL 1.0, as long as that is still
461*** supported, or LibreSSL (https://www.libressl.org/).
462***
463*** This is not a political issue - while porting GVPE to the newer
464*** OpenSSL 1.1 API, I encountered two incompatible API changes that were
465*** not documented, were not caught while compiling but caused security
466*** issues. When reported, the reaction of the OpenSSL developers was to
467*** update the documentation.
468***
469*** As a result, I lost all confidence in the ability and desire of
470*** OpenSSL developers to create a safe API, and would highly recommend
471*** switching to LibreSSL which explicitly avoids such braking changes.
472***
473*** WARNING WARNING WARNING WARNING WARNING WARNING WARNING
474***
475*** Again, do not use OpenSSL 1.1 and complain if stuff breaks.
476*** You have been warned, but your choice is respected.
477***
478@<:@0m
454 479
480EOF
481fi
482
483

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