diff options
Diffstat (limited to 'src/secp256k1/configure.ac')
-rw-r--r-- | src/secp256k1/configure.ac | 89 |
1 files changed, 56 insertions, 33 deletions
diff --git a/src/secp256k1/configure.ac b/src/secp256k1/configure.ac index 2db59a8ff3..68f279b17b 100644 --- a/src/secp256k1/configure.ac +++ b/src/secp256k1/configure.ac @@ -4,20 +4,20 @@ AC_PREREQ([2.60]) # the API. All changes in experimental modules are treated as # backwards-compatible and therefore at most increase the minor version. define(_PKG_VERSION_MAJOR, 0) -define(_PKG_VERSION_MINOR, 1) -define(_PKG_VERSION_BUILD, 0) -define(_PKG_VERSION_IS_RELEASE, false) +define(_PKG_VERSION_MINOR, 2) +define(_PKG_VERSION_PATCH, 0) +define(_PKG_VERSION_IS_RELEASE, true) # The library version is based on libtool versioning of the ABI. The set of # rules for updating the version can be found here: # https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html # All changes in experimental modules are treated as if they don't affect the # interface and therefore only increase the revision. -define(_LIB_VERSION_CURRENT, 0) +define(_LIB_VERSION_CURRENT, 1) define(_LIB_VERSION_REVISION, 0) define(_LIB_VERSION_AGE, 0) -AC_INIT([libsecp256k1],m4_join([.], _PKG_VERSION_MAJOR, _PKG_VERSION_MINOR, _PKG_VERSION_BUILD)m4_if(_PKG_VERSION_IS_RELEASE, [true], [], [-pre]),[https://github.com/bitcoin-core/secp256k1/issues],[libsecp256k1],[https://github.com/bitcoin-core/secp256k1]) +AC_INIT([libsecp256k1],m4_join([.], _PKG_VERSION_MAJOR, _PKG_VERSION_MINOR, _PKG_VERSION_PATCH)m4_if(_PKG_VERSION_IS_RELEASE, [true], [], [-dev]),[https://github.com/bitcoin-core/secp256k1/issues],[libsecp256k1],[https://github.com/bitcoin-core/secp256k1]) AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_MACRO_DIR([build-aux/m4]) @@ -33,12 +33,14 @@ AM_INIT_AUTOMAKE([1.11.2 foreign subdir-objects]) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) AC_PROG_CC -if test x"$ac_cv_prog_cc_c89" = x"no"; then - AC_MSG_ERROR([c89 compiler support required]) -fi AM_PROG_AS AM_PROG_AR +# Clear some cache variables as a workaround for a bug that appears due to a bad +# interaction between AM_PROG_AR and LT_INIT when combining MSVC's archiver lib.exe. +# https://debbugs.gnu.org/cgi/bugreport.cgi?bug=54421 +AS_UNSET(ac_cv_prog_AR) +AS_UNSET(ac_cv_prog_ac_ct_AR) LT_INIT([win32-dll]) build_windows=no @@ -87,23 +89,35 @@ esac # # TODO We should analogously not touch CPPFLAGS and LDFLAGS but currently there are no issues. AC_DEFUN([SECP_TRY_APPEND_DEFAULT_CFLAGS], [ - # Try to append -Werror=unknown-warning-option to CFLAGS temporarily. Otherwise clang will - # not error out if it gets unknown warning flags and the checks here will always succeed - # no matter if clang knows the flag or not. - SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS="$CFLAGS" - SECP_TRY_APPEND_CFLAGS([-Werror=unknown-warning-option], CFLAGS) - - SECP_TRY_APPEND_CFLAGS([-std=c89 -pedantic -Wno-long-long -Wnested-externs -Wshadow -Wstrict-prototypes -Wundef], $1) # GCC >= 3.0, -Wlong-long is implied by -pedantic. - SECP_TRY_APPEND_CFLAGS([-Wno-overlength-strings], $1) # GCC >= 4.2, -Woverlength-strings is implied by -pedantic. - SECP_TRY_APPEND_CFLAGS([-Wall], $1) # GCC >= 2.95 and probably many other compilers - SECP_TRY_APPEND_CFLAGS([-Wno-unused-function], $1) # GCC >= 3.0, -Wunused-function is implied by -Wall. - SECP_TRY_APPEND_CFLAGS([-Wextra], $1) # GCC >= 3.4, this is the newer name of -W, which we don't use because older GCCs will warn about unused functions. - SECP_TRY_APPEND_CFLAGS([-Wcast-align], $1) # GCC >= 2.95 - SECP_TRY_APPEND_CFLAGS([-Wcast-align=strict], $1) # GCC >= 8.0 - SECP_TRY_APPEND_CFLAGS([-Wconditional-uninitialized], $1) # Clang >= 3.0 only - SECP_TRY_APPEND_CFLAGS([-fvisibility=hidden], $1) # GCC >= 4.0 - - CFLAGS="$SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS" + # GCC and compatible (incl. clang) + if test "x$GCC" = "xyes"; then + # Try to append -Werror=unknown-warning-option to CFLAGS temporarily. Otherwise clang will + # not error out if it gets unknown warning flags and the checks here will always succeed + # no matter if clang knows the flag or not. + SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS="$CFLAGS" + SECP_TRY_APPEND_CFLAGS([-Werror=unknown-warning-option], CFLAGS) + + SECP_TRY_APPEND_CFLAGS([-std=c89 -pedantic -Wno-long-long -Wnested-externs -Wshadow -Wstrict-prototypes -Wundef], $1) # GCC >= 3.0, -Wlong-long is implied by -pedantic. + SECP_TRY_APPEND_CFLAGS([-Wno-overlength-strings], $1) # GCC >= 4.2, -Woverlength-strings is implied by -pedantic. + SECP_TRY_APPEND_CFLAGS([-Wall], $1) # GCC >= 2.95 and probably many other compilers + SECP_TRY_APPEND_CFLAGS([-Wno-unused-function], $1) # GCC >= 3.0, -Wunused-function is implied by -Wall. + SECP_TRY_APPEND_CFLAGS([-Wextra], $1) # GCC >= 3.4, this is the newer name of -W, which we don't use because older GCCs will warn about unused functions. + SECP_TRY_APPEND_CFLAGS([-Wcast-align], $1) # GCC >= 2.95 + SECP_TRY_APPEND_CFLAGS([-Wcast-align=strict], $1) # GCC >= 8.0 + SECP_TRY_APPEND_CFLAGS([-Wconditional-uninitialized], $1) # Clang >= 3.0 only + SECP_TRY_APPEND_CFLAGS([-fvisibility=hidden], $1) # GCC >= 4.0 + + CFLAGS="$SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS" + fi + + # MSVC + # Assume MSVC if we're building for Windows but not with GCC or compatible; + # libtool makes the same assumption internally. + # Note that "/opt" and "-opt" are equivalent for MSVC; we use "-opt" because "/opt" looks like a path. + if test x"$GCC" != x"yes" && test x"$build_windows" = x"yes"; then + SECP_TRY_APPEND_CFLAGS([-W2 -wd4146], $1) # Moderate warning level, disable warning C4146 "unary minus operator applied to unsigned type, result still unsigned" + SECP_TRY_APPEND_CFLAGS([-external:anglebrackets -external:W0], $1) # Suppress warnings from #include <...> files + fi ]) SECP_TRY_APPEND_DEFAULT_CFLAGS(SECP_CFLAGS) @@ -141,27 +155,31 @@ AC_ARG_ENABLE(examples, [SECP_SET_DEFAULT([enable_examples], [no], [yes])]) AC_ARG_ENABLE(module_ecdh, - AS_HELP_STRING([--enable-module-ecdh],[enable ECDH module [default=no]]), [], - [SECP_SET_DEFAULT([enable_module_ecdh], [no], [yes])]) + AS_HELP_STRING([--enable-module-ecdh],[enable ECDH module [default=yes]]), [], + [SECP_SET_DEFAULT([enable_module_ecdh], [yes], [yes])]) AC_ARG_ENABLE(module_recovery, AS_HELP_STRING([--enable-module-recovery],[enable ECDSA pubkey recovery module [default=no]]), [], [SECP_SET_DEFAULT([enable_module_recovery], [no], [yes])]) AC_ARG_ENABLE(module_extrakeys, - AS_HELP_STRING([--enable-module-extrakeys],[enable extrakeys module [default=no]]), [], - [SECP_SET_DEFAULT([enable_module_extrakeys], [no], [yes])]) + AS_HELP_STRING([--enable-module-extrakeys],[enable extrakeys module [default=yes]]), [], + [SECP_SET_DEFAULT([enable_module_extrakeys], [yes], [yes])]) AC_ARG_ENABLE(module_schnorrsig, - AS_HELP_STRING([--enable-module-schnorrsig],[enable schnorrsig module [default=no]]), [], - [SECP_SET_DEFAULT([enable_module_schnorrsig], [no], [yes])]) + AS_HELP_STRING([--enable-module-schnorrsig],[enable schnorrsig module [default=yes]]), [], + [SECP_SET_DEFAULT([enable_module_schnorrsig], [yes], [yes])]) AC_ARG_ENABLE(external_default_callbacks, AS_HELP_STRING([--enable-external-default-callbacks],[enable external default callback functions [default=no]]), [], [SECP_SET_DEFAULT([enable_external_default_callbacks], [no], [no])]) # Test-only override of the (autodetected by the C code) "widemul" setting. -# Legal values are int64 (for [u]int64_t), int128 (for [unsigned] __int128), and auto (the default). +# Legal values are: +# * int64 (for [u]int64_t), +# * int128 (for [unsigned] __int128), +# * int128_struct (for int128 implemented as a structure), +# * and auto (the default). AC_ARG_WITH([test-override-wide-multiply], [] ,[set_widemul=$withval], [set_widemul=auto]) AC_ARG_WITH([asm], [AS_HELP_STRING([--with-asm=x86_64|arm|no|auto], @@ -271,6 +289,9 @@ fi # Select wide multiplication implementation case $set_widemul in +int128_struct) + AC_DEFINE(USE_FORCE_WIDEMUL_INT128_STRUCT, 1, [Define this symbol to force the use of the structure for simulating (unsigned) int128 based wide multiplication]) + ;; int128) AC_DEFINE(USE_FORCE_WIDEMUL_INT128, 1, [Define this symbol to force the use of the (unsigned) __int128 based wide multiplication implementation]) ;; @@ -326,7 +347,9 @@ if test x"$enable_valgrind" = x"yes"; then SECP_INCLUDES="$SECP_INCLUDES $VALGRIND_CPPFLAGS" fi -# Add -Werror and similar flags passed from the outside (for testing, e.g., in CI) +# Add -Werror and similar flags passed from the outside (for testing, e.g., in CI). +# We don't want to set the user variable CFLAGS in CI because this would disable +# autoconf's logic for setting default CFLAGS, which we would like to test in CI. SECP_CFLAGS="$SECP_CFLAGS $WERROR_CFLAGS" ### |