c-ares doesn't use openssl. I'm not sure why Makefile.dj has openssl listed at all. My guess is someone copied it from
some project that did require openssl. Makefile.dj is not used at all when building except on DOS ...
On 7/30/20 9:03 PM, Jeffrey Walton wrote:
> Hi Everyone,
>
> I'm trying to track down an issue in SIP Witch. SIP Witch is failing
> to link due to a missing SSL/TLS symbol in libeXosip2. libeXosip2
> depends on c-ares, and the author of libeXosip2 says c-ares must have
> SSL/TLS enabled.
>
> Searching the sources only shows one hit for SSL/TLS:
>
> c-ares-1.16.1$ grep -IR SSL_ ./*
> ./Makefile.dj: EX_LIBS += $(OPENSSL_ROOT)/lib/libssl.a
> $(OPENSSL_ROOT)/lib/libcrypt.a
> c-ares-1.16.1$ grep -IR TLS_ ./*
> c-ares-1.16.1$
>
> Small nit: I think '$(OPENSSL_ROOT)/lib/libcrypt.a' should be
> '$(OPENSSL_ROOT)/lib/libcrypto.a' OpenSSL's general purpose crypto
> library name is libcrypto, not libcrypt.
>
> What should I do to enable my copy of OpenSSL in c-ares?
>
> =====
>
> Here are the options offered by c-ares:
>
> $ ./configure --help
> ...
>
> Optional Features:
> --disable-option-checking ignore unrecognized --enable/--with options
> --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
> --enable-FEATURE[=ARG] include FEATURE [ARG=yes]
> --enable-maintainer-mode
> enable make rules and dependencies not useful (and
> sometimes confusing) to the casual installer
> --enable-silent-rules less verbose build output (undo: "make V=1")
> --disable-silent-rules verbose build output (undo: "make V=0")
> --enable-debug Enable debug build options
> --disable-debug Disable debug build options
> --enable-optimize(=OPT) Enable compiler optimizations (default=-O2)
> --disable-optimize Disable compiler optimizations
> --enable-warnings Enable strict compiler warnings
> --disable-warnings Disable strict compiler warnings
> --enable-werror Enable compiler warnings as errors
> --disable-werror Disable compiler warnings as errors
> --enable-curldebug Enable curl debug memory tracking
> --disable-curldebug Disable curl debug memory tracking
> --enable-symbol-hiding Enable hiding of library internal symbols
> --disable-symbol-hiding Disable hiding of library internal symbols
> --enable-expose-statics Enable exposure of internal static functions for
> testing
> --disable-expose-statics
> Disable exposure of internal static functions for
> testing
> --enable-code-coverage Whether to enable code coverage support
> --enable-dependency-tracking
> do not reject slow dependency extractors
> --disable-dependency-tracking
> speeds up one-time build
> --disable-largefile omit support for large files
> --enable-shared[=PKGS] build shared libraries [default=yes]
> --enable-static[=PKGS] build static libraries [default=yes]
> --enable-fast-install[=PKGS]
> optimize for fast installation [default=yes]
> --disable-libtool-lock avoid locking (might break parallel builds)
> --enable-libgcc use libgcc when linking
> --enable-nonblocking Enable non-blocking communications
> --disable-nonblocking Disable non-blocking communications
> --enable-tests build test suite
>
> Optional Packages:
> --with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
> --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
> --with-gcov=GCOV use given GCOV for coverage (GCOV=gcov).
> --with-pic[=PKGS] try to use only PIC/non-PIC objects [default=use
> both]
> --with-aix-soname=aix|svr4|both
> shared library versioning (aka "SONAME") variant to
> provide on AIX, [default=aix].
> --with-gnu-ld assume the C compiler uses GNU ld [default=no]
> --with-sysroot[=DIR] Search for dependent libraries within DIR (or the
> compiler's sysroot if not specified).
> --with-random=FILE read randomness from FILE (default=/dev/urandom)
>
> Some influential environment variables:
> CC C compiler command
> CFLAGS C compiler flags
> LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a
> nonstandard directory <lib dir>
> LIBS libraries to pass to the linker, e.g. -l<library>
> CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
> you have headers in a nonstandard directory <include dir>
> CPP C preprocessor
> CXX C++ compiler command
> CXXFLAGS C++ compiler flags
> LT_SYS_LIBRARY_PATH
> User-defined run-time library search path.
> CXXCPP C++ preprocessor
Received on 2020-07-31