X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=INSTALL;h=b5cfa71c7a6a60e8a4b7b662898df48baf92af1a;hp=51887f1ab195d502ff3fa111f749f65bbc8accd9;hb=0a4c87a90c6cf6628c688868cd5f13e4b9a5f19d;hpb=1fbab1dc6fcb14f512a40c5755708a8bcbf84f40 diff --git a/INSTALL b/INSTALL index 51887f1ab1..b5cfa71c7a 100644 --- a/INSTALL +++ b/INSTALL @@ -2,26 +2,26 @@ OPENSSL INSTALLATION -------------------- - [This document describes installation on the main supported operating - systems, currently the Linux/Unix family, OpenVMS and Windows. - Installation on DOS (with djgpp), MacOS (before MacOS X) - is described in INSTALL.DJGPP or INSTALL.MacOS, respectively.] + [This document describes installation on all supported operating + systems (currently mainly the Linux/Unix family, OpenVMS and + Windows)] To install OpenSSL, you will need: - * make - * Perl 5 with core modules (please read README.PERL) - * The perl module Text::Template (please read README.PERL) + * A make implementation + * Perl 5 with core modules (please read NOTES.PERL) + * The perl module Text::Template (please read NOTES.PERL) * an ANSI C compiler * a development environment in the form of development libraries and C header files * a supported operating system - For more details regarding specific platforms, there are these notes - available: + For additional platform specific requirements and other details, + please read one of these: * NOTES.VMS (OpenVMS) - * NOTES.WIN (any Windows except for Windows CE) + * NOTES.WIN (any supported Windows) + * NOTES.DJGPP (DOS platform with DJGPP) Quick Start ----------- @@ -55,8 +55,8 @@ Unix: normal installation directories under /usr/local OpenVMS: SYS$COMMON:[OPENSSL-'version'...], where 'version' is the - OpenSSL version number ('major'_'minor'). - Windows: currently don't have an install function + OpenSSL version number with underscores instead of periods. + Windows: C:\Program Files\OpenSSL or C:\Program Files (x86)\OpenSSL If you want to install it anywhere else, run config like this: @@ -77,75 +77,247 @@ --openssldir depend in what configuration is used and what Windows implementation OpenSSL is built on. More notes on this in NOTES.WIN): - --prefix=DIR The top of the installation directory tree. Defaults are: - - Unix: /usr/local - Windows: C:\Program Files\OpenSSL - or C:\Program Files (x86)\OpenSSL - OpenVMS: SYS$COMMON:[OPENSSL-'version'] + --api=x.y.z + Don't build with support for deprecated APIs below the + specified version number. For example "--api=1.1.0" will + remove support for all APIS that were deprecated in OpenSSL + version 1.1.0 or below. - --openssldir=DIR Directory for OpenSSL configuration files, and also the + --cross-compile-prefix=PREFIX + The PREFIX to include in front of commands for your + toolchain. For example to build the mingw64 target on Linux + you might use "--cross-compile-prefix=x86_64-w64-mingw32-". + If the compiler is gcc, then this will attempt to run + x86_64-w64-mingw32-gcc when compiling. + + --debug + Build OpenSSL with debugging symbols. + + --libdir=DIR + The name of the directory under the top of the installation + directory tree (see the --prefix option) where libraries will + be installed. By default this is "lib". Note that on Windows + only ".lib" files will be stored in this location. dll files + will always be installed to the "bin" directory. + + --openssldir=DIR + Directory for OpenSSL configuration files, and also the default certificate and key store. Defaults are: - Unix: PREFIX/ssl (PREFIX is given by --prefix) + Unix: /usr/local/ssl Windows: C:\Program Files\Common Files\SSL or C:\Program Files (x86)\Common Files\SSL - OpenVMS: SYS$COMMON:[SSL] + OpenVMS: SYS$COMMON:[OPENSSL-COMMON] - --api=x.y.z Don't build with support for deprecated APIs below the - specified version number. For example "--api=1.1.0" will - remove support for all APIS that were deprecated in OpenSSL - version 1.1.0 or below. + --prefix=DIR + The top of the installation directory tree. Defaults are: - no-deprecated Don't build with support for any deprecated APIs. This is the - same as using "--api" and supplying the latest version - number. + Unix: /usr/local + Windows: C:\Program Files\OpenSSL + or C:\Program Files (x86)\OpenSSL + OpenVMS: SYS$COMMON:[OPENSSL-'version'] - no-autoalginit Don't automatically load all supported ciphers and digests. + --release + Build OpenSSL without debugging symbols. This is the default. + + --strict-warnings + This is a developer flag that switches on various compiler + options recommended for OpenSSL development. It only works + when using gcc or clang as the compiler. If you are + developing a patch for OpenSSL then it is recommended that + you use this option where possible. + + --with-zlib-include=DIR + The directory for the location of the zlib include file. This + option is only necessary if enable-zlib (see below) is used + and the include file is not already on the system include + path. + + --with-zlib-lib=LIB + On Unix: this is the directory containing the zlib library. + If not provided the system library path will be used. + On Windows: this is the filename of the zlib library (with or + without a path). This flag must be provided if the + zlib-dynamic option is not also used. If zlib-dynamic is used + then this flag is optional and a default value ("ZLIB1") is + used if not provided. + On VMS: this is the filename of the zlib library (with or + without a path). This flag is optional and if not provided + then "GNV$LIBZSHR", "GNV$LIBZSHR32" or "GNV$LIBZSHR64" is + used by default depending on the pointer size chosen. + + no-afalgeng + Don't build the AFALG engine. This option will be forced if + on a platform that does not support AFALG. + + enable-asan + Build with the Address sanitser. This is a developer option + only. It may not work on all platforms and should never be + used in production environments. It will only work when used + with gcc or clang and should be used in conjunction with the + no-shared option. + + no-asm + Do not use assembler code. On some platforms a small amount + of assembler code may still be used. + + no-async + Do not build support for async operations. + + no-autoalginit + Don't automatically load all supported ciphers and digests. Typically OpenSSL will make available all of its supported ciphers and digests. For a statically linked application this may be undesirable if small executable size is an objective. This only affects libcrypto. Ciphers and digests will have to be loaded manually using EVP_add_cipher() and - EVP_add_digest() if this option is used. + EVP_add_digest() if this option is used. This option will + force a non-shared build. - no-autoerrinit Don't automatically load all libcrypto/libssl error strings. + no-autoerrinit + Don't automatically load all libcrypto/libssl error strings. Typically OpenSSL will automatically load human readable error strings. For a statically linked application this may be undesirable if small executable size is an objective. - no-threads Don't try to build with support for multi-threaded - applications. - threads Build with support for multi-threaded applications. - This will usually require additional system-dependent - options! See "Note on multi-threading" below. + no-capieng + Don't build the CAPI engine. This option will be forced if + on a platform that does not support CAPI. - no-zlib Don't try to build with support for zlib compression and - decompression. + no-cms + Don't build support for CMS features - zlib Build with support for zlib compression/decompression. + no-comp + Don't build support for SSL/TLS compression. If this option + is left enabled (the default), then compression will only + work if the zlib or zlib-dynamic options are also chosen. - zlib-dynamic Like "zlib", but has OpenSSL load the zlib library - dynamically when needed. This is only supported on systems - where loading of shared libraries is supported. This is the - default choice. + enable-crypto-mdebug + Build support for debugging memory allocated via + OPENSSL_malloc() or OPENSSL_zalloc(). - no-shared Don't try to create shared libraries. + enable-crypto-mdebug-backtrace + As for crypto-mdebug, but additionally provide backtrace + information for allocated memory. + TO BE USED WITH CARE: this uses GNU C functionality, and + is therefore not usable for non-GNU config targets. If + your build complains about the use of '-rdynamic' or the + lack of header file execinfo.h, this option is not for you. + ALSO NOTE that even though execinfo.h is available on your + system (through Gnulib), the functions might just be stubs + that do nothing. - shared In addition to the usual static libraries, create shared - libraries on platforms where it's supported. See "Note on - shared libraries" below. + no-ct + Don't build support for Certificate Transparency. - no-asm Do not use assembler code. + no-deprecated + Don't build with support for any deprecated APIs. This is the + same as using "--api" and supplying the latest version + number. - 386 On Intel hardware, use the 80386 instruction set only - (the default x86 code is more efficient, but requires at - least a 486). Note: Use compiler flags for any other CPU - specific configuration, e.g. "-m32" to build x86 code on - an x64 system. + no-dgram + Don't build support for datagram based BIOs. Selecting this + option will also force the disabling of DTLS. + + no-dso + Don't build support for loading Dynamic Shared Objects. + + no-dynamic-engine + Don't build the dynamically loaded engines. This only has an + effect in a "shared" build + + no-ec + Don't build support for Elliptic Curves. + + no-ec2m + Don't build support for binary Elliptic Curves + + enable-ec_nistp_64_gcc_128 + Enable support for optimised implementations of some commonly + used NIST elliptic curves. This is only supported on some + platforms. + + enable-egd + Build support for gathering entropy from EGD (Entropy + Gathering Daemon). + + no-engine + Don't build support for loading engines. + + no-err + Don't compile in any error strings. + + no-filenames + Don't compile in filename and line number information (e.g. + for errors and memory allocation). + + enable-fuzz + Build with support for fuzzing. This is a developer option + only. It may not work on all platforms and should never be + used in production environments. See the file fuzz/README.md + for further details. + + no-gost + Don't build support for GOST based ciphersuites. Note that + if this feature is enabled then GOST ciphersuites are only + available if the GOST algorithms are also available through + loading an externally supplied engine. + + enable-heartbeats + Build support for DTLS heartbeats. + + no-hw-padlock + Don't build the padlock engine. + + no-makedepend + Don't generate dependencies. + + no-multiblock + Don't build support for writing multiple records in one + go in libssl (Note: this is a different capability to the + pipelining functionality). + + no-nextprotoneg + Don't build support for the NPN TLS extension. + + no-ocsp + Don't build support for OCSP. + + no-pic + Don't build with support for Position Independent Code. + + no-posix-io + Don't use POSIX IO capabilities. + + no-psk + Don't build support for Pre-Shared Key based ciphersuites. + + no-rdrand + Don't use hardware RDRAND capabilities. + + no-rfc3779 + Don't build support for RFC3779 ("X.509 Extensions for IP + Addresses and AS Identifiers") - no-sse2 Exclude SSE2 code pathes. Normally SSE2 extension is + sctp + Build support for SCTP + + no-shared + Do not create shared libraries, only static ones. See "Note + on shared libraries" below. + + no-sock + Don't build support for socket BIOs + + no-srp + Don't build support for SRP or SRP based ciphersuites. + + no-srtp + Don't build SRTP support + + no-sse2 + Exclude SSE2 code paths. Normally SSE2 extension is detected at run-time, but the decision whether or not the machine code will be executed is taken solely on CPU capability vector. This means that if you happen to run OS @@ -156,15 +328,104 @@ compiled with CPU_ENABLE_SSE, and there is a way to disengage SSE2 code pathes upon application start-up, but if you aim for wider "audience" running such kernel, - consider no-sse2. Both 386 and no-asm options above imply + consider no-sse2. Both the 386 and no-asm options imply no-sse2. - no- Build without the specified algorithm (bf, cast, des, dh, - dsa, hmac, md2, md5, mdc2, rc2, rc4, rc5, rsa, sha). + enable-ssl-trace + Build with the SSL Trace capabilities (adds the "-trace" + option to s_client and s_server). + + no-static-engine + Don't build the statically linked engines. This only + has an impact when not built "shared". - -Dxxx, -lxxx, These system specific options will be passed through to the - -Lxxx, -fxxx, compiler to allow you to define preprocessor symbols, specify - -mXXX, -Kxxx additional libraries, library directories or other compiler + no-stdio + Don't use any C "stdio" features. Only libcrypto and libssl + can be built in this way. Using this option will suppress + building the command line applications. Additionally since + the OpenSSL tests also use the command line applications the + tests will also be skipped. + + no-threads + Don't try to build with support for multi-threaded + applications. + + threads + Build with support for multi-threaded applications. Most + platforms will enable this by default. However if on a + platform where this is not the case then this will usually + require additional system-dependent options! See "Note on + multi-threading" below. + + no-ts + Don't build Time Stamping Authority support. + + enable-ubsan + Build with the Undefined Behaviour sanitser. This is a + developer option only. It may not work on all platforms and + should never be used in production environments. It will only + work when used with gcc or clang and should be used in + conjunction with the "-DPEDANTIC" option (or the + --strict-warnings option). + + no-ui + Don't build with the "UI" capability (i.e. the set of + features enabling text based prompts). + + enable-unit-test + Enable additional unit test APIs. This should not typically + be used in production deployments. + + enable-weak-ssl-ciphers + Build support for SSL/TLS ciphers that are considered "weak" + (e.g. RC4 based ciphersuites). + + zlib + Build with support for zlib compression/decompression. + + zlib-dynamic + Like "zlib", but has OpenSSL load the zlib library + dynamically when needed. This is only supported on systems + where loading of shared libraries is supported. + + 386 + On Intel hardware, use the 80386 instruction set only + (the default x86 code is more efficient, but requires at + least a 486). Note: Use compiler flags for any other CPU + specific configuration, e.g. "-m32" to build x86 code on + an x64 system. + + no- + Don't build support for negotiating the specified SSL/TLS + protocol (one of ssl, ssl3, tls, tls1, tls1_1, tls1_2, dtls, + dtls1 or dtls1_2). If "no-tls" is selected then all of tls1, + tls1_1 and tls1_2 are disabled. Similarly "no-dtls" will + disable dtls1 and dtls1_2. The "no-ssl" option is synonymous + with "no-ssl3". Note this only affects version negotiation. + OpenSSL will still provide the methods for applications to + explicitly select the individual protocol versions. + + no--method + As for no- but in addition do not build the methods for + applications to explicitly select individual protocol + versions. + + enable- + Build with support for the specified algorithm, where + is one of: md2 or rc5. + + no- + Build without support for the specified algorithm, where + is one of: bf, blake2, camellia, cast, chacha, cmac, + des, dh, dsa, ecdh, ecdsa, idea, md4, md5, mdc2, ocb, + ploy1305, rc2, rc4, rmd160, scrypt, seed or whirlpool. The + "ripemd" algorithm is deprecated and if used is synonymous + with rmd160. + + -Dxxx, -lxxx, -Lxxx, -fxxx, -mXXX, -Kxxx + These system specific options will be passed through to the + compiler to allow you to define preprocessor symbols, specify + additional libraries, library directories or other compiler options. @@ -225,10 +486,10 @@ The generic configurations "cc" or "gcc" should usually work on 32 bit Unix-like systems. - Configure creates a build file ("Makefile" on Unix and "descrip.mms" - on OpenVMS) from a suitable template in Configurations, and - defines various macros in crypto/opensslconf.h (generated from - crypto/opensslconf.h.in). + Configure creates a build file ("Makefile" on Unix, "makefile" on Windows + and "descrip.mms" on OpenVMS) from a suitable template in Configurations, + and defines various macros in include/openssl/opensslconf.h (generated from + include/openssl/opensslconf.h.in). 1c. Configure OpenSSL for building outside of the source tree. @@ -281,9 +542,12 @@ If the build fails, look at the output. There may be reasons for the failure that aren't problems in OpenSSL itself (like missing - standard headers). If it is a problem with OpenSSL itself, please - report the problem to (note that your message - will be recorded in the request tracker publicly readable at + standard headers). If you are having problems you can get help by + sending an email to the openssl-users email list (see + https://www.openssl.org/community/mailinglists.html for details). If it + is a bug with OpenSSL itself, please report the problem to + (note that your message will be recorded in the request + tracker publicly readable at https://www.openssl.org/community/index.html#bugs and will be forwarded to a public mailing list). Please check out the request tracker. Maybe the bug was already reported or has already been @@ -301,18 +565,19 @@ $ mms test ! OpenVMS $ nmake test # Windows + NOTE: you MUST run the tests from an unprivileged account (or + disable your privileges temporarly if your platform allows it). + If some tests fail, look at the output. There may be reasons for the failure that isn't a problem in OpenSSL itself (like a malfunction with Perl). You may want increased verbosity, that can be accomplished like this: - $ HARNESS_VERBOSE=yes make test # Unix + $ make VERBOSE=1 test # Unix - $ DEFINE HARNESS_VERBOSE YES - $ mms test ! OpenVMS + $ mms /macro=(VERBOSE=1) test ! OpenVMS - $ set HARNESS_VERBOSE=yes - $ nmake test # Windows + $ nmake VERBOSE=1 test # Windows If you want to run just one or a few specific tests, you can use the make variable TESTS to specify them, like this: @@ -323,7 +588,7 @@ And of course, you can combine (Unix example shown): - $ HARNESS_VERBOSE=yes make TESTS='test_rsa test_dsa' test + $ make VERBOSE=1 TESTS='test_rsa test_dsa' test You can find the list of available tests like this: @@ -338,12 +603,13 @@ compiler optimization flags from the CFLAGS line in Makefile and run "make clean; make" or corresponding. - Please send a bug reports to . + Please send bug reports to . 4. If everything tests ok, install OpenSSL with $ make install # Unix $ mms install ! OpenVMS + $ nmake install # Windows This will install all the software components in this directory tree under PREFIX (the directory given with --prefix or its @@ -405,7 +671,7 @@ * COMPILING existing applications - OpenSSL 1.1 hides a number of structures that were previously + OpenSSL 1.1.0 hides a number of structures that were previously open. This includes all internal libssl structures and a number of EVP types. Accessor functions have been added to allow controlled access to the structures' data. @@ -417,11 +683,108 @@ provided accessor functions where you would previously access a structure's field directly. - - Some APIs have changed as well. However, older APIs have been preserved when possible. + Environment Variables + --------------------- + + A number of environment variables can be used to provide additional control + over the build process. Typically these should be defined prior to running + config or Configure. Not all environment variables are relevant to all + platforms. + + AR + The name of the ar executable to use. + + CC + The compiler to use. Configure will attempt to pick a default + compiler for your platform but this choice can be overridden + using this variable. Set it to the compiler executable you wish + to use, e.g. "gcc" or "clang". + + CROSS_COMPILE + This environment variable has the same meaning as for the + "--cross-compile-prefix" Configure flag described above. If both + are set then the Configure flag takes precedence. + + NM + The name of the nm executable to use. + + OPENSSL_LOCAL_CONFIG_DIR + OpenSSL comes with a database of information about how it + should be built on different platforms. This information is + held in ".conf" files in the Configurations directory. See the + file Configurations/README for further information about the + format of ".conf" files. As well as the standard ".conf" files + it is possible to create your own ".conf" files and store them + locally, outside the OpenSSL source tree. This environment + variable can be set to the directory where these files are held. + + PERL + The name of the Perl executable to use. + + RC + The name of the rc executable to use. The default will be as + defined for the target platform in the ".conf" file. If not + defined then "windres" will be used. The WINDRES environment + variable is synonymous to this. If both are defined then RC + takes precedence. + + RANLIB + The name of the ranlib executable to use. + + WINDRES + See RC. + + Makefile targets + ---------------- + + The Configure script generates a Makefile in a format relevant to the specific + platform. The Makefiles provide a number of targets that can be used. Not all + targets may be available on all platforms. Only the most common targets are + described here. Examine the Makefiles themselves for the full list. + + all + The default target to build all the software components. + + clean + Remove all build artefacts and return the directory to a "clean" + state. + + depend + Rebuild the dependencies in the Makefiles. This is a legacy + option that no longer needs to be used in OpenSSL 1.1.0. + + install + Install all OpenSSL components. + + install_sw + Only install the OpenSSL software components. + + install_docs + Only install the OpenSSL documentation components. + + install_man_docs + Only install the OpenSSL man pages (Unix only). + + install_html_docs + Only install the OpenSSL html documentation. + + list-tests + Prints a list of all the self test names. + + test + Build and run the OpenSSL self tests. + + uninstall + Uninstall all OpenSSL components. + + update + This is a developer option. If you are developing a patch for + OpenSSL you may need to use this if you want to update + automatically generated files; add new error codes or add new + (or change the visibility of) public API functions. (Unix only). Note on multi-threading ----------------------- @@ -447,15 +810,12 @@ Note on shared libraries ------------------------ - Shared libraries have certain caveats. Binary backward compatibility - can't be guaranteed before OpenSSL version 1.0. The only reason to - use them would be to conserve memory on systems where several programs - are using OpenSSL. - - For most systems, the OpenSSL Configure script knows what is needed to - build shared libraries for libcrypto and libssl. On these systems, - the shared libraries are currently not created by default, but giving - the option "shared" will get them created. + For most systems the OpenSSL Configure script knows what is needed to + build shared libraries for libcrypto and libssl. On these systems + the shared libraries will be created by default. This can be suppressed and + only static libraries created by using the "no-shared" option. On systems + where OpenSSL does not know how to build shared libraries the "no-shared" + option will be forced and only static libraries will be created. Note on random number generation -------------------------------- @@ -465,7 +825,7 @@ internal PRNG. If not properly seeded, the internal PRNG will refuse to deliver random bytes and a "PRNG not seeded error" will occur. On systems without /dev/urandom (or similar) device, it may be necessary - to install additional support software to obtain random seed. + to install additional support software to obtain a random seed. Please check out the manual pages for RAND_add(), RAND_bytes(), RAND_egd(), and the FAQ for more information.