configure.ac (19548B)
1 AC_PREREQ([2.60]) 2 3 # The package (a.k.a. release) version is based on semantic versioning 2.0.0 of 4 # the API. All changes in experimental modules are treated as 5 # backwards-compatible and therefore at most increase the minor version. 6 define(_PKG_VERSION_MAJOR, 0) 7 define(_PKG_VERSION_MINOR, 4) 8 define(_PKG_VERSION_PATCH, 2) 9 define(_PKG_VERSION_IS_RELEASE, false) 10 11 # The library version is based on libtool versioning of the ABI. The set of 12 # rules for updating the version can be found here: 13 # https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html 14 # All changes in experimental modules are treated as if they don't affect the 15 # interface and therefore only increase the revision. 16 define(_LIB_VERSION_CURRENT, 3) 17 define(_LIB_VERSION_REVISION, 2) 18 define(_LIB_VERSION_AGE, 1) 19 20 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]) 21 22 AC_CONFIG_AUX_DIR([build-aux]) 23 AC_CONFIG_MACRO_DIR([build-aux/m4]) 24 AC_CANONICAL_HOST 25 26 # Require Automake 1.11.2 for AM_PROG_AR 27 AM_INIT_AUTOMAKE([1.11.2 foreign subdir-objects]) 28 29 # Make the compilation flags quiet unless V=1 is used. 30 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) 31 32 if test "${CFLAGS+set}" = "set"; then 33 CFLAGS_overridden=yes 34 else 35 CFLAGS_overridden=no 36 fi 37 AC_PROG_CC 38 AM_PROG_AS 39 AM_PROG_AR 40 41 # Clear some cache variables as a workaround for a bug that appears due to a bad 42 # interaction between AM_PROG_AR and LT_INIT when combining MSVC's archiver lib.exe. 43 # https://debbugs.gnu.org/cgi/bugreport.cgi?bug=54421 44 AS_UNSET(ac_cv_prog_AR) 45 AS_UNSET(ac_cv_prog_ac_ct_AR) 46 LT_INIT([win32-dll]) 47 48 build_windows=no 49 50 case $host_os in 51 *darwin*) 52 if test x$cross_compiling != xyes; then 53 AC_CHECK_PROG([BREW], brew, brew) 54 if test x$BREW = xbrew; then 55 # These Homebrew packages may be keg-only, meaning that they won't be found 56 # in expected paths because they may conflict with system files. Ask 57 # Homebrew where each one is located, then adjust paths accordingly. 58 if $BREW list --versions valgrind >/dev/null; then 59 valgrind_prefix=$($BREW --prefix valgrind 2>/dev/null) 60 VALGRIND_CPPFLAGS="-I$valgrind_prefix/include" 61 fi 62 else 63 AC_CHECK_PROG([PORT], port, port) 64 # If homebrew isn't installed and macports is, add the macports default paths 65 # as a last resort. 66 if test x$PORT = xport; then 67 CPPFLAGS="$CPPFLAGS -isystem /opt/local/include" 68 LDFLAGS="$LDFLAGS -L/opt/local/lib" 69 fi 70 fi 71 fi 72 ;; 73 cygwin*|mingw*) 74 build_windows=yes 75 ;; 76 esac 77 78 # Try if some desirable compiler flags are supported and append them to SECP_CFLAGS. 79 # 80 # These are our own flags, so we append them to our own SECP_CFLAGS variable (instead of CFLAGS) as 81 # recommended in the automake manual (Section "Flag Variables Ordering"). CFLAGS belongs to the user 82 # and we are not supposed to touch it. In the Makefile, we will need to ensure that SECP_CFLAGS 83 # is prepended to CFLAGS when invoking the compiler so that the user always has the last word (flag). 84 # 85 # Another advantage of not touching CFLAGS is that the contents of CFLAGS will be picked up by 86 # libtool for compiling helper executables. For example, when compiling for Windows, libtool will 87 # generate entire wrapper executables (instead of simple wrapper scripts as on Unix) to ensure 88 # proper operation of uninstalled programs linked by libtool against the uninstalled shared library. 89 # These executables are compiled from C source file for which our flags may not be appropriate, 90 # e.g., -std=c89 flag has lead to undesirable warnings in the past. 91 # 92 # TODO We should analogously not touch CPPFLAGS and LDFLAGS but currently there are no issues. 93 AC_DEFUN([SECP_TRY_APPEND_DEFAULT_CFLAGS], [ 94 # GCC and compatible (incl. clang) 95 if test "x$GCC" = "xyes"; then 96 # Try to append -Werror to CFLAGS temporarily. Otherwise checks for some unsupported 97 # flags will succeed. 98 # Note that failure to append -Werror does not necessarily mean that -Werror is not 99 # supported. The compiler may already be warning about something unrelated, for example 100 # about some path issue. If that is the case, -Werror cannot be used because all 101 # of those warnings would be turned into errors. 102 SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS="$CFLAGS" 103 SECP_TRY_APPEND_CFLAGS([-Werror], CFLAGS) 104 105 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. 106 SECP_TRY_APPEND_CFLAGS([-Wno-overlength-strings], $1) # GCC >= 4.2, -Woverlength-strings is implied by -pedantic. 107 SECP_TRY_APPEND_CFLAGS([-Wall], $1) # GCC >= 2.95 and probably many other compilers 108 SECP_TRY_APPEND_CFLAGS([-Wno-unused-function], $1) # GCC >= 3.0, -Wunused-function is implied by -Wall. 109 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. 110 SECP_TRY_APPEND_CFLAGS([-Wcast-align], $1) # GCC >= 2.95 111 SECP_TRY_APPEND_CFLAGS([-Wcast-align=strict], $1) # GCC >= 8.0 112 SECP_TRY_APPEND_CFLAGS([-Wconditional-uninitialized], $1) # Clang >= 3.0 only 113 SECP_TRY_APPEND_CFLAGS([-Wreserved-identifier], $1) # Clang >= 13.0 only 114 SECP_TRY_APPEND_CFLAGS([-fvisibility=hidden], $1) # GCC >= 4.0 115 116 CFLAGS="$SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS" 117 fi 118 119 # MSVC 120 # Assume MSVC if we're building for Windows but not with GCC or compatible; 121 # libtool makes the same assumption internally. 122 # Note that "/opt" and "-opt" are equivalent for MSVC; we use "-opt" because "/opt" looks like a path. 123 if test x"$GCC" != x"yes" && test x"$build_windows" = x"yes"; then 124 SECP_TRY_APPEND_CFLAGS([-W3], $1) # Production quality warning level. 125 SECP_TRY_APPEND_CFLAGS([-wd4146], $1) # Disable warning C4146 "unary minus operator applied to unsigned type, result still unsigned". 126 SECP_TRY_APPEND_CFLAGS([-wd4244], $1) # Disable warning C4244 "'conversion' conversion from 'type1' to 'type2', possible loss of data". 127 SECP_TRY_APPEND_CFLAGS([-wd4267], $1) # Disable warning C4267 "'var' : conversion from 'size_t' to 'type', possible loss of data". 128 # Eliminate deprecation warnings for the older, less secure functions. 129 CPPFLAGS="-D_CRT_SECURE_NO_WARNINGS $CPPFLAGS" 130 fi 131 ]) 132 SECP_TRY_APPEND_DEFAULT_CFLAGS(SECP_CFLAGS) 133 134 ### 135 ### Define config arguments 136 ### 137 138 # In dev mode, we enable all binaries and modules by default but individual options can still be overridden explicitly. 139 # Check for dev mode first because SECP_SET_DEFAULT needs enable_dev_mode set. 140 AC_ARG_ENABLE(dev_mode, [], [], 141 [enable_dev_mode=no]) 142 143 AC_ARG_ENABLE(benchmark, 144 AS_HELP_STRING([--enable-benchmark],[compile benchmark [default=yes]]), [], 145 [SECP_SET_DEFAULT([enable_benchmark], [yes], [yes])]) 146 147 AC_ARG_ENABLE(coverage, 148 AS_HELP_STRING([--enable-coverage],[enable compiler flags to support kcov coverage analysis [default=no]]), [], 149 [SECP_SET_DEFAULT([enable_coverage], [no], [no])]) 150 151 AC_ARG_ENABLE(tests, 152 AS_HELP_STRING([--enable-tests],[compile tests [default=yes]]), [], 153 [SECP_SET_DEFAULT([enable_tests], [yes], [yes])]) 154 155 AC_ARG_ENABLE(ctime_tests, 156 AS_HELP_STRING([--enable-ctime-tests],[compile constant-time tests [default=yes if valgrind enabled]]), [], 157 [SECP_SET_DEFAULT([enable_ctime_tests], [auto], [auto])]) 158 159 AC_ARG_ENABLE(experimental, 160 AS_HELP_STRING([--enable-experimental],[allow experimental configure options [default=no]]), [], 161 [SECP_SET_DEFAULT([enable_experimental], [no], [yes])]) 162 163 AC_ARG_ENABLE(exhaustive_tests, 164 AS_HELP_STRING([--enable-exhaustive-tests],[compile exhaustive tests [default=yes]]), [], 165 [SECP_SET_DEFAULT([enable_exhaustive_tests], [yes], [yes])]) 166 167 AC_ARG_ENABLE(examples, 168 AS_HELP_STRING([--enable-examples],[compile the examples [default=no]]), [], 169 [SECP_SET_DEFAULT([enable_examples], [no], [yes])]) 170 171 AC_ARG_ENABLE(module_ecdh, 172 AS_HELP_STRING([--enable-module-ecdh],[enable ECDH module [default=yes]]), [], 173 [SECP_SET_DEFAULT([enable_module_ecdh], [yes], [yes])]) 174 175 AC_ARG_ENABLE(module_recovery, 176 AS_HELP_STRING([--enable-module-recovery],[enable ECDSA pubkey recovery module [default=no]]), [], 177 [SECP_SET_DEFAULT([enable_module_recovery], [no], [yes])]) 178 179 AC_ARG_ENABLE(module_extrakeys, 180 AS_HELP_STRING([--enable-module-extrakeys],[enable extrakeys module [default=yes]]), [], 181 [SECP_SET_DEFAULT([enable_module_extrakeys], [yes], [yes])]) 182 183 AC_ARG_ENABLE(module_schnorrsig, 184 AS_HELP_STRING([--enable-module-schnorrsig],[enable schnorrsig module [default=yes]]), [], 185 [SECP_SET_DEFAULT([enable_module_schnorrsig], [yes], [yes])]) 186 187 AC_ARG_ENABLE(module_ellswift, 188 AS_HELP_STRING([--enable-module-ellswift],[enable ElligatorSwift module [default=yes]]), [], 189 [SECP_SET_DEFAULT([enable_module_ellswift], [yes], [yes])]) 190 191 AC_ARG_ENABLE(external_default_callbacks, 192 AS_HELP_STRING([--enable-external-default-callbacks],[enable external default callback functions [default=no]]), [], 193 [SECP_SET_DEFAULT([enable_external_default_callbacks], [no], [no])]) 194 195 # Test-only override of the (autodetected by the C code) "widemul" setting. 196 # Legal values are: 197 # * int64 (for [u]int64_t), 198 # * int128 (for [unsigned] __int128), 199 # * int128_struct (for int128 implemented as a structure), 200 # * and auto (the default). 201 AC_ARG_WITH([test-override-wide-multiply], [] ,[set_widemul=$withval], [set_widemul=auto]) 202 203 AC_ARG_WITH([asm], [AS_HELP_STRING([--with-asm=x86_64|arm32|no|auto], 204 [assembly to use (experimental: arm32) [default=auto]])],[req_asm=$withval], [req_asm=auto]) 205 206 AC_ARG_WITH([ecmult-window], [AS_HELP_STRING([--with-ecmult-window=SIZE|auto], 207 [window size for ecmult precomputation for verification, specified as integer in range [2..24].] 208 [Larger values result in possibly better performance at the cost of an exponentially larger precomputed table.] 209 [The table will store 2^(SIZE-1) * 64 bytes of data but can be larger in memory due to platform-specific padding and alignment.] 210 [A window size larger than 15 will require you delete the prebuilt precomputed_ecmult.c file so that it can be rebuilt.] 211 [For very large window sizes, use "make -j 1" to reduce memory use during compilation.] 212 ["auto" is a reasonable setting for desktop machines (currently 15). [default=auto]] 213 )], 214 [req_ecmult_window=$withval], [req_ecmult_window=auto]) 215 216 AC_ARG_WITH([ecmult-gen-precision], [AS_HELP_STRING([--with-ecmult-gen-precision=2|4|8|auto], 217 [Precision bits to tune the precomputed table size for signing.] 218 [The size of the table is 32kB for 2 bits, 64kB for 4 bits, 512kB for 8 bits of precision.] 219 [A larger table size usually results in possible faster signing.] 220 ["auto" is a reasonable setting for desktop machines (currently 4). [default=auto]] 221 )], 222 [req_ecmult_gen_precision=$withval], [req_ecmult_gen_precision=auto]) 223 224 AC_ARG_WITH([valgrind], [AS_HELP_STRING([--with-valgrind=yes|no|auto], 225 [Build with extra checks for running inside Valgrind [default=auto]] 226 )], 227 [req_valgrind=$withval], [req_valgrind=auto]) 228 229 ### 230 ### Handle config options (except for modules) 231 ### 232 233 if test x"$req_valgrind" = x"no"; then 234 enable_valgrind=no 235 else 236 SECP_VALGRIND_CHECK 237 if test x"$has_valgrind" != x"yes"; then 238 if test x"$req_valgrind" = x"yes"; then 239 AC_MSG_ERROR([Valgrind support explicitly requested but valgrind/memcheck.h header not available]) 240 fi 241 enable_valgrind=no 242 else 243 enable_valgrind=yes 244 fi 245 fi 246 247 if test x"$enable_ctime_tests" = x"auto"; then 248 enable_ctime_tests=$enable_valgrind 249 fi 250 251 if test x"$enable_coverage" = x"yes"; then 252 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DCOVERAGE=1" 253 SECP_CFLAGS="-O0 --coverage $SECP_CFLAGS" 254 # If coverage is enabled, and the user has not overridden CFLAGS, 255 # override Autoconf's value "-g -O2" with "-g". Otherwise we'd end up 256 # with "-O0 --coverage -g -O2". 257 if test "$CFLAGS_overridden" = "no"; then 258 CFLAGS="-g" 259 fi 260 LDFLAGS="--coverage $LDFLAGS" 261 else 262 # Most likely the CFLAGS already contain -O2 because that is autoconf's default. 263 # We still add it here because passing it twice is not an issue, and handling 264 # this case would just add unnecessary complexity (see #896). 265 SECP_CFLAGS="-O2 $SECP_CFLAGS" 266 fi 267 268 if test x"$req_asm" = x"auto"; then 269 SECP_X86_64_ASM_CHECK 270 if test x"$has_x86_64_asm" = x"yes"; then 271 set_asm=x86_64 272 fi 273 if test x"$set_asm" = x; then 274 set_asm=no 275 fi 276 else 277 set_asm=$req_asm 278 case $set_asm in 279 x86_64) 280 SECP_X86_64_ASM_CHECK 281 if test x"$has_x86_64_asm" != x"yes"; then 282 AC_MSG_ERROR([x86_64 assembly requested but not available]) 283 fi 284 ;; 285 arm32) 286 SECP_ARM32_ASM_CHECK 287 if test x"$has_arm32_asm" != x"yes"; then 288 AC_MSG_ERROR([ARM32 assembly requested but not available]) 289 fi 290 ;; 291 no) 292 ;; 293 *) 294 AC_MSG_ERROR([invalid assembly selection]) 295 ;; 296 esac 297 fi 298 299 # Select assembly 300 enable_external_asm=no 301 302 case $set_asm in 303 x86_64) 304 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DUSE_ASM_X86_64=1" 305 ;; 306 arm32) 307 enable_external_asm=yes 308 ;; 309 no) 310 ;; 311 *) 312 AC_MSG_ERROR([invalid assembly selection]) 313 ;; 314 esac 315 316 if test x"$enable_external_asm" = x"yes"; then 317 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DUSE_EXTERNAL_ASM=1" 318 fi 319 320 321 # Select wide multiplication implementation 322 case $set_widemul in 323 int128_struct) 324 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DUSE_FORCE_WIDEMUL_INT128_STRUCT=1" 325 ;; 326 int128) 327 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DUSE_FORCE_WIDEMUL_INT128=1" 328 ;; 329 int64) 330 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DUSE_FORCE_WIDEMUL_INT64=1" 331 ;; 332 auto) 333 ;; 334 *) 335 AC_MSG_ERROR([invalid wide multiplication implementation]) 336 ;; 337 esac 338 339 # Set ecmult window size 340 if test x"$req_ecmult_window" = x"auto"; then 341 set_ecmult_window=15 342 else 343 set_ecmult_window=$req_ecmult_window 344 fi 345 346 error_window_size=['window size for ecmult precomputation not an integer in range [2..24] or "auto"'] 347 case $set_ecmult_window in 348 ''|*[[!0-9]]*) 349 # no valid integer 350 AC_MSG_ERROR($error_window_size) 351 ;; 352 *) 353 if test "$set_ecmult_window" -lt 2 -o "$set_ecmult_window" -gt 24 ; then 354 # not in range 355 AC_MSG_ERROR($error_window_size) 356 fi 357 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DECMULT_WINDOW_SIZE=$set_ecmult_window" 358 ;; 359 esac 360 361 # Set ecmult gen precision 362 if test x"$req_ecmult_gen_precision" = x"auto"; then 363 set_ecmult_gen_precision=4 364 else 365 set_ecmult_gen_precision=$req_ecmult_gen_precision 366 fi 367 368 case $set_ecmult_gen_precision in 369 2|4|8) 370 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DECMULT_GEN_PREC_BITS=$set_ecmult_gen_precision" 371 ;; 372 *) 373 AC_MSG_ERROR(['ecmult gen precision not 2, 4, 8 or "auto"']) 374 ;; 375 esac 376 377 if test x"$enable_valgrind" = x"yes"; then 378 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES $VALGRIND_CPPFLAGS -DVALGRIND" 379 fi 380 381 # Add -Werror and similar flags passed from the outside (for testing, e.g., in CI). 382 # We don't want to set the user variable CFLAGS in CI because this would disable 383 # autoconf's logic for setting default CFLAGS, which we would like to test in CI. 384 SECP_CFLAGS="$SECP_CFLAGS $WERROR_CFLAGS" 385 386 ### 387 ### Handle module options 388 ### 389 390 # Processing must be done in a reverse topological sorting of the dependency graph 391 # (dependent module first). 392 if test x"$enable_module_ellswift" = x"yes"; then 393 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DENABLE_MODULE_ELLSWIFT=1" 394 fi 395 396 if test x"$enable_module_schnorrsig" = x"yes"; then 397 if test x"$enable_module_extrakeys" = x"no"; then 398 AC_MSG_ERROR([Module dependency error: You have disabled the extrakeys module explicitly, but it is required by the schnorrsig module.]) 399 fi 400 enable_module_extrakeys=yes 401 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DENABLE_MODULE_SCHNORRSIG=1" 402 fi 403 404 if test x"$enable_module_extrakeys" = x"yes"; then 405 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DENABLE_MODULE_EXTRAKEYS=1" 406 fi 407 408 if test x"$enable_module_recovery" = x"yes"; then 409 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DENABLE_MODULE_RECOVERY=1" 410 fi 411 412 if test x"$enable_module_ecdh" = x"yes"; then 413 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DENABLE_MODULE_ECDH=1" 414 fi 415 416 if test x"$enable_external_default_callbacks" = x"yes"; then 417 SECP_CONFIG_DEFINES="$SECP_CONFIG_DEFINES -DUSE_EXTERNAL_DEFAULT_CALLBACKS=1" 418 fi 419 420 ### 421 ### Check for --enable-experimental if necessary 422 ### 423 424 if test x"$enable_experimental" = x"yes"; then 425 AC_MSG_NOTICE([******]) 426 AC_MSG_NOTICE([WARNING: experimental build]) 427 AC_MSG_NOTICE([Experimental features do not have stable APIs or properties, and may not be safe for production use.]) 428 AC_MSG_NOTICE([******]) 429 else 430 if test x"$set_asm" = x"arm32"; then 431 AC_MSG_ERROR([ARM32 assembly is experimental. Use --enable-experimental to allow.]) 432 fi 433 fi 434 435 ### 436 ### Generate output 437 ### 438 439 AC_CONFIG_FILES([Makefile libsecp256k1.pc]) 440 AC_SUBST(SECP_CFLAGS) 441 AC_SUBST(SECP_CONFIG_DEFINES) 442 AM_CONDITIONAL([ENABLE_COVERAGE], [test x"$enable_coverage" = x"yes"]) 443 AM_CONDITIONAL([USE_TESTS], [test x"$enable_tests" != x"no"]) 444 AM_CONDITIONAL([USE_CTIME_TESTS], [test x"$enable_ctime_tests" = x"yes"]) 445 AM_CONDITIONAL([USE_EXHAUSTIVE_TESTS], [test x"$enable_exhaustive_tests" != x"no"]) 446 AM_CONDITIONAL([USE_EXAMPLES], [test x"$enable_examples" != x"no"]) 447 AM_CONDITIONAL([USE_BENCHMARK], [test x"$enable_benchmark" = x"yes"]) 448 AM_CONDITIONAL([ENABLE_MODULE_ECDH], [test x"$enable_module_ecdh" = x"yes"]) 449 AM_CONDITIONAL([ENABLE_MODULE_RECOVERY], [test x"$enable_module_recovery" = x"yes"]) 450 AM_CONDITIONAL([ENABLE_MODULE_EXTRAKEYS], [test x"$enable_module_extrakeys" = x"yes"]) 451 AM_CONDITIONAL([ENABLE_MODULE_SCHNORRSIG], [test x"$enable_module_schnorrsig" = x"yes"]) 452 AM_CONDITIONAL([ENABLE_MODULE_ELLSWIFT], [test x"$enable_module_ellswift" = x"yes"]) 453 AM_CONDITIONAL([USE_EXTERNAL_ASM], [test x"$enable_external_asm" = x"yes"]) 454 AM_CONDITIONAL([USE_ASM_ARM], [test x"$set_asm" = x"arm32"]) 455 AM_CONDITIONAL([BUILD_WINDOWS], [test "$build_windows" = "yes"]) 456 AC_SUBST(LIB_VERSION_CURRENT, _LIB_VERSION_CURRENT) 457 AC_SUBST(LIB_VERSION_REVISION, _LIB_VERSION_REVISION) 458 AC_SUBST(LIB_VERSION_AGE, _LIB_VERSION_AGE) 459 460 AC_OUTPUT 461 462 echo 463 echo "Build Options:" 464 echo " with external callbacks = $enable_external_default_callbacks" 465 echo " with benchmarks = $enable_benchmark" 466 echo " with tests = $enable_tests" 467 echo " with ctime tests = $enable_ctime_tests" 468 echo " with coverage = $enable_coverage" 469 echo " with examples = $enable_examples" 470 echo " module ecdh = $enable_module_ecdh" 471 echo " module recovery = $enable_module_recovery" 472 echo " module extrakeys = $enable_module_extrakeys" 473 echo " module schnorrsig = $enable_module_schnorrsig" 474 echo " module ellswift = $enable_module_ellswift" 475 echo 476 echo " asm = $set_asm" 477 echo " ecmult window size = $set_ecmult_window" 478 echo " ecmult gen prec. bits = $set_ecmult_gen_precision" 479 # Hide test-only options unless they're used. 480 if test x"$set_widemul" != xauto; then 481 echo " wide multiplication = $set_widemul" 482 fi 483 echo 484 echo " valgrind = $enable_valgrind" 485 echo " CC = $CC" 486 echo " CPPFLAGS = $CPPFLAGS" 487 echo " SECP_CFLAGS = $SECP_CFLAGS" 488 echo " CFLAGS = $CFLAGS" 489 echo " LDFLAGS = $LDFLAGS"