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-rw-r--r--src/secp256k1/configure.ac89
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"
###