1 AC_PREREQ([2.65]) 2 AC_INIT([libsodium],[1.0.16], 3 [https://github.com/jedisct1/libsodium/issues], 4 [libsodium], 5 [https://github.com/jedisct1/libsodium]) 6 AC_CONFIG_AUX_DIR([build-aux]) 7 AC_CONFIG_MACRO_DIR([m4]) 8 AC_CONFIG_SRCDIR([src/libsodium/sodium/version.c]) 9 AC_CANONICAL_HOST 10 AM_INIT_AUTOMAKE([1.11 dist-bzip2 tar-ustar foreign subdir-objects]) 11 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) 12 AM_MAINTAINER_MODE 13 AM_DEP_TRACK 14 15 AC_SUBST(VERSION) 16 ISODATE=`date +%Y-%m-%d` 17 AC_SUBST(ISODATE) 18 19 SODIUM_LIBRARY_VERSION_MAJOR=10 20 SODIUM_LIBRARY_VERSION_MINOR=1 21 DLL_VERSION=8 22 SODIUM_LIBRARY_VERSION=24:0:1 23 # | | | 24 # +------+ | +---+ 25 # | | | 26 # current:revision:age 27 # | | | 28 # | | +- increment if interfaces have been added 29 # | | set to zero if interfaces have been removed 30 # | | or changed 31 # | +- increment if source code has changed 32 # | set to zero if current is incremented 33 # +- increment if interfaces have been added, removed or changed 34 AC_SUBST(SODIUM_LIBRARY_VERSION_MAJOR) 35 AC_SUBST(SODIUM_LIBRARY_VERSION_MINOR) 36 AC_SUBST(SODIUM_LIBRARY_VERSION) 37 AC_SUBST(DLL_VERSION) 38 39 AC_LANG_ASSERT(C) 40 LX_CFLAGS=${CFLAGS-NONE} 41 42 dnl Path check 43 44 AS_IF([pwd | fgrep ' ' > /dev/null 2>&1], 45 [AC_MSG_ERROR([The build directory contains whitespaces - This can cause tests/installation to fail due to limitations of some libtool versions])] 46 ) 47 48 dnl Switches 49 50 AC_ARG_ENABLE(ssp, 51 [AS_HELP_STRING(--disable-ssp,Do not compile with -fstack-protector)], 52 [ 53 AS_IF([test "x$enableval" = "xno"], [ 54 enable_ssp="no" 55 ], [ 56 enable_ssp="yes" 57 ]) 58 ], 59 [ 60 enable_ssp="yes" 61 ]) 62 63 AC_ARG_ENABLE(asm, 64 [AS_HELP_STRING(--disable-asm,Do not compile assembly code -- This disables all (including non-assembly) platform-specific optimizations on Unix systems)], 65 [ 66 AS_IF([test "x$enableval" = "xno"], [ 67 enable_asm="no" 68 ], [ 69 enable_asm="yes" 70 ]) 71 ], 72 [ 73 enable_asm="yes" 74 ]) 75 76 AS_IF([test "x$EMSCRIPTEN" != "x"], [ 77 AX_CHECK_COMPILE_FLAG([-s ASSERTIONS=0], [ 78 enable_asm="no" 79 AC_MSG_WARN([compiling to JavaScript - asm implementations disabled]) 80 ], [ 81 AC_MSG_WARN([EMSCRIPTEN environment variable defined, but emcc doesn't appear to be used - Assuming compilation to native code]) 82 CFLAGS="$CFLAGS -U__EMSCRIPTEN__" 83 unset EMSCRIPTEN 84 ]) 85 ]) 86 AS_IF([test "$host_os" = "nacl" -o "$host_os" = "pnacl"], [ 87 enable_asm="no" 88 AC_MSG_WARN([compiling to Native Client - asm implementations disabled]) 89 ]) 90 91 AC_ARG_ENABLE(pie, 92 [AS_HELP_STRING(--disable-pie,Do not produce position independent executables)], 93 enable_pie=$enableval, enable_pie="maybe") 94 95 AS_CASE([$host_os], [mingw*|cygwin*|msys], [enable_pie="no"]) 96 97 AC_ARG_ENABLE(blocking-random, 98 [AS_HELP_STRING(--enable-blocking-random,Enable this switch only if /dev/urandom is totally broken on the target platform)], 99 [ 100 AS_IF([test "x$enableval" = "xyes"], [ 101 AC_DEFINE([USE_BLOCKING_RANDOM], [1], [/dev/urandom is insecure on the target platform]) 102 ]) 103 ]) 104 105 AC_ARG_ENABLE(minimal, 106 [AS_HELP_STRING(--enable-minimal, 107 [Only compile the minimum set of functions required for the high-level API])], 108 [ 109 AS_IF([test "x$enableval" = "xyes"], [ 110 enable_minimal="yes" 111 SODIUM_LIBRARY_MINIMAL_DEF="#define SODIUM_LIBRARY_MINIMAL 1" 112 AC_DEFINE([MINIMAL], [1], [Define for a minimal build, without deprecated functions and functions that high-level APIs depend on]) 113 ], [ 114 enable_minimal="no" 115 ]) 116 ], 117 [ 118 enable_minimal="no" 119 ]) 120 AM_CONDITIONAL([MINIMAL], [test x$enable_minimal = xyes]) 121 AC_SUBST(SODIUM_LIBRARY_MINIMAL_DEF) 122 123 AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads], 124 [use pthreads library, or --without-pthreads to disable threading support.]), 125 [ ], [withval="yes"]) 126 127 AS_IF([test "x$withval" = "xyes"], [ 128 AX_PTHREAD([ 129 AC_DEFINE([HAVE_PTHREAD], [1], [Define if you have POSIX threads libraries and header files]) 130 with_threads="yes" 131 LIBS="$PTHREAD_LIBS $LIBS" 132 CFLAGS="$CFLAGS $PTHREAD_CFLAGS" 133 CC="$PTHREAD_CC"]) 134 ], [with_threads="no"]) 135 136 AC_ARG_WITH(safecode, 137 [AS_HELP_STRING(--with-safecode,For maintainers only - please do not use)], 138 [AS_IF([test "x$withval" = "xyes"], [ 139 AC_ARG_VAR([SAFECODE_HOME], [set to the safecode base directory]) 140 : ${SAFECODE_HOME:=/opt/safecode} 141 LDFLAGS="$LDFLAGS -L${SAFECODE_HOME}/lib" 142 LIBS="$LIBS -lsc_dbg_rt -lpoolalloc_bitmap -lstdc++" 143 CFLAGS="$CFLAGS -fmemsafety" 144 ]) 145 ]) 146 147 AC_ARG_WITH(ctgrind, 148 [AS_HELP_STRING(--with-ctgrind,For maintainers only - please do not use)], 149 [AS_IF([test "x$withval" = "xyes"], [ 150 AC_CHECK_LIB(ctgrind, ct_poison) 151 ]) 152 ]) 153 154 ENABLE_CWFLAGS=no 155 AC_ARG_ENABLE(debug, 156 [AS_HELP_STRING(--enable-debug,For maintainers only - please do not use)], 157 [ 158 AS_IF([test "x$enableval" = "xyes"], [ 159 AS_IF([test "x$LX_CFLAGS" = "xNONE"], [ 160 nxflags="" 161 for flag in `echo $CFLAGS`; do 162 AS_CASE([$flag], 163 [-O*], [ ], 164 [-g*], [ ], 165 [*], [AS_VAR_APPEND([nxflags], [" $flag"])]) 166 done 167 CFLAGS="$nxflags -O -g3" 168 ]) 169 ENABLE_CWFLAGS=yes 170 CPPFLAGS="$CPPFLAGS -DDEBUG=1 -U_FORTIFY_SOURCE" 171 ]) 172 ]) 173 174 AC_ARG_ENABLE(opt, 175 [AS_HELP_STRING(--enable-opt,Optimize for the native CPU - The resulting library will be faster but not portable)], 176 [ 177 AS_IF([test "x$enableval" = "xyes"], [ 178 AX_CHECK_COMPILE_FLAG([-Ofast], [CFLAGS="$CFLAGS -Ofast"]) 179 AX_CHECK_COMPILE_FLAG([-fomit-frame-pointer], [CFLAGS="$CFLAGS -fomit-frame-pointer"]) 180 AX_CHECK_COMPILE_FLAG([-march=native], [CFLAGS="$CFLAGS -march=native"]) 181 ]) 182 ]) 183 184 AC_SUBST([MAINT]) 185 186 AX_VALGRIND_CHECK 187 188 dnl Checks 189 190 AC_PROG_CC_C99 191 AM_PROG_AS 192 AC_USE_SYSTEM_EXTENSIONS 193 AC_C_VARARRAYS 194 195 AC_CHECK_DEFINE([__native_client__], [NATIVECLIENT="yes"], []) 196 197 AC_CHECK_DEFINE([_FORTIFY_SOURCE], [], [ 198 AX_CHECK_COMPILE_FLAG([-D_FORTIFY_SOURCE=2], 199 [CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"]) 200 ]) 201 202 AX_CHECK_COMPILE_FLAG([-fvisibility=hidden], 203 [CFLAGS="$CFLAGS -fvisibility=hidden"]) 204 205 AS_CASE([$host_os], [cygwin*|mingw*|msys|pw32*|cegcc*], [ ], [ 206 AX_CHECK_COMPILE_FLAG([-fPIC], [CFLAGS="$CFLAGS -fPIC"]) 207 ]) 208 209 AS_IF([test "$enable_pie" != "no"],[ 210 AX_CHECK_COMPILE_FLAG([-fPIE], [ 211 AX_CHECK_LINK_FLAG([-pie], [ 212 [CFLAGS="$CFLAGS -fPIE" 213 LDFLAGS="$LDFLAGS -pie"] 214 ]) 215 ]) 216 ]) 217 218 AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"]) 219 AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"], [ 220 AX_CHECK_COMPILE_FLAG([-fwrapv], [CFLAGS="$CFLAGS -fwrapv"]) 221 ]) 222 223 AS_IF([test "$GCC" = "yes" ], [ 224 AS_CASE([$host_cpu], 225 [i?86|amd64|x86_64], [ 226 AC_COMPILE_IFELSE( 227 [AC_LANG_SOURCE([ 228 #if !defined(__clang__) && defined(__GNUC__) && ((__GNUC__ << 8) | __GNUC_MINOR__) < 0x403 229 # error old gcc 230 #endif 231 int main(void) { return 0; } 232 ])],,[ 233 AX_CHECK_COMPILE_FLAG([-flax-vector-conversions], [CFLAGS="$CFLAGS -flax-vector-conversions"]) 234 ]) 235 ] 236 ) 237 ]) 238 239 LIBTOOL_OLD_FLAGS="$LIBTOOL_EXTRA_FLAGS" 240 LIBTOOL_EXTRA_FLAGS="$LIBTOOL_EXTRA_FLAGS -version-info $SODIUM_LIBRARY_VERSION" 241 AC_ARG_ENABLE(soname-versions, 242 [AC_HELP_STRING([--enable-soname-versions], [enable soname versions (must be disabled for Android) (default: enabled)])], 243 [ 244 AS_IF([test "x$enableval" = "xno"], [ 245 LIBTOOL_EXTRA_FLAGS="$LIBTOOL_OLD_FLAGS -avoid-version" 246 ]) 247 ] 248 ) 249 250 AS_CASE([$host_os], 251 [cygwin*|mingw*|msys|pw32*|cegcc*], [ 252 AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"]) 253 AX_CHECK_LINK_FLAG([-Wl,--high-entropy-va], [LDFLAGS="$LDFLAGS -Wl,--high-entropy-va"]) 254 AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"]) 255 ]) 256 257 AS_CASE([$host_os], 258 [cygwin*|mingw*|msys|pw32*|cegcc*], [ 259 AX_CHECK_COMPILE_FLAG([-fno-asynchronous-unwind-tables], [ 260 [CFLAGS="$CFLAGS -fno-asynchronous-unwind-tables"] 261 ]) 262 ]) 263 264 AS_IF([test "x$enable_ssp" != "xno"],[ 265 266 AS_CASE([$host_os], 267 [cygwin*|mingw*|msys|pw32*|cegcc*], [ ], 268 [*], [ 269 AX_CHECK_COMPILE_FLAG([-fstack-protector], [ 270 AX_CHECK_LINK_FLAG([-fstack-protector], 271 [CFLAGS="$CFLAGS -fstack-protector"] 272 ) 273 ]) 274 ]) 275 ]) 276 277 AC_ARG_VAR([CWFLAGS], [define to compilation flags for generating extra warnings]) 278 279 AX_CHECK_COMPILE_FLAG([$CFLAGS -Wall], [CWFLAGS="$CFLAGS -Wall"]) 280 AX_CHECK_COMPILE_FLAG([$CFLAGS -Wextra], [CWFLAGS="$CFLAGS -Wextra"]) 281 282 AC_MSG_CHECKING(for clang) 283 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 284 #ifndef __clang__ 285 #error Not clang 286 #endif 287 ]])], 288 [AC_MSG_RESULT(yes) 289 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-unknown-warning-option], 290 [CWFLAGS="$CWFLAGS -Wno-unknown-warning-option"]) 291 ], 292 [AC_MSG_RESULT(no) 293 ]) 294 295 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wbad-function-cast], [CWFLAGS="$CWFLAGS -Wbad-function-cast"]) 296 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-qual], [CWFLAGS="$CWFLAGS -Wcast-qual"]) 297 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wdiv-by-zero], [CWFLAGS="$CWFLAGS -Wdiv-by-zero"]) 298 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wduplicated-branches], [CWFLAGS="$CWFLAGS -Wduplicated-branches"]) 299 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wduplicated-cond], [CWFLAGS="$CWFLAGS -Wduplicated-cond"]) 300 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wfloat-equal], [CWFLAGS="$CWFLAGS -Wfloat-equal"]) 301 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wformat=2], [CWFLAGS="$CWFLAGS -Wformat=2"]) 302 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wlogical-op], [CWFLAGS="$CWFLAGS -Wlogical-op"]) 303 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmaybe-uninitialized], [CWFLAGS="$CWFLAGS -Wmaybe-uninitialized"]) 304 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmisleading-indentation], [CWFLAGS="$CWFLAGS -Wmisleading-indentation"]) 305 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-declarations], [CWFLAGS="$CWFLAGS -Wmissing-declarations"]) 306 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-prototypes], [CWFLAGS="$CWFLAGS -Wmissing-prototypes"]) 307 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnested-externs], [CWFLAGS="$CWFLAGS -Wnested-externs"]) 308 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-type-limits], [CWFLAGS="$CWFLAGS -Wno-type-limits"]) 309 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-unknown-pragmas], [CWFLAGS="$CWFLAGS -Wno-unknown-pragmas"]) 310 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnormalized=id], [CWFLAGS="$CWFLAGS -Wnormalized=id"]) 311 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnull-dereference], [CWFLAGS="$CWFLAGS -Wnull-dereference"]) 312 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wold-style-declaration], [CWFLAGS="$CWFLAGS -Wold-style-declaration"]) 313 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wpointer-arith], [CWFLAGS="$CWFLAGS -Wpointer-arith"]) 314 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wredundant-decls], [CWFLAGS="$CWFLAGS -Wredundant-decls"]) 315 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wrestrict], [CWFLAGS="$CWFLAGS -Wrestrict"]) 316 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wshorten-64-to-32], [CWFLAGS="$CWFLAGS -Wshorten-64-to-32"]) 317 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wsometimes-uninitialized], [CWFLAGS="$CWFLAGS -Wsometimes-uninitialized"]) 318 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wstrict-prototypes], [CWFLAGS="$CWFLAGS -Wstrict-prototypes"]) 319 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wswitch-enum], [CWFLAGS="$CWFLAGS -Wswitch-enum"]) 320 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wvariable-decl], [CWFLAGS="$CWFLAGS -Wvariable-decl"]) 321 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wwrite-strings], [CWFLAGS="$CWFLAGS -Wwrite-strings"]) 322 323 AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"]) 324 AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"]) 325 AX_CHECK_LINK_FLAG([-Wl,-z,noexecstack], [LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"]) 326 327 AC_MSG_CHECKING(for a broken clang + AVX512 combination) 328 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ 329 #if !(defined(__AVX512F__) && defined(__clang__) && __clang_major__ < 4) 330 #error Not a broken clang + AVX512 combination 331 #endif 332 ]])], 333 [AC_MSG_RESULT(yes - disabling AVX512 optimizations) 334 AX_CHECK_COMPILE_FLAG([$CFLAGS -mno-avx512f], 335 [CFLAGS="$CFLAGS -mno-avx512f"]) 336 ], 337 [AC_MSG_RESULT(no) 338 ]) 339 340 AX_CHECK_CATCHABLE_SEGV 341 AX_CHECK_CATCHABLE_ABRT 342 343 AS_IF([test "x$with_threads" = "xyes"], [ 344 AX_TLS([AC_MSG_RESULT(thread local storage is supported)], 345 [AC_MSG_RESULT(thread local storage is not supported)]) ]) 346 347 LT_INIT 348 AC_SUBST(LIBTOOL_DEPS) 349 350 AC_ARG_VAR([AR], [path to the ar utility]) 351 AC_CHECK_TOOL([AR], [ar], [ar]) 352 353 dnl Checks for headers 354 355 AS_IF([test "x$EMSCRIPTEN" = "x" -a "$host_os" != "pnacl"], [ 356 357 oldcflags="$CFLAGS" 358 AX_CHECK_COMPILE_FLAG([-mmmx], [CFLAGS="$CFLAGS -mmmx"]) 359 AC_MSG_CHECKING(for MMX instructions set) 360 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 361 #pragma GCC target("mmx") 362 #include <mmintrin.h> 363 ]], [[ __m64 x = _mm_setzero_si64(); ]])], 364 [AC_MSG_RESULT(yes) 365 AC_DEFINE([HAVE_MMINTRIN_H], [1], [mmx is available]) 366 AX_CHECK_COMPILE_FLAG([-mmmx], [CFLAGS_MMX="-mmmx"])], 367 [AC_MSG_RESULT(no)]) 368 CFLAGS="$oldcflags" 369 370 oldcflags="$CFLAGS" 371 AX_CHECK_COMPILE_FLAG([-msse2], [CFLAGS="$CFLAGS -msse2"]) 372 AC_MSG_CHECKING(for SSE2 instructions set) 373 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 374 #pragma GCC target("sse2") 375 #ifndef __SSE2__ 376 # define __SSE2__ 377 #endif 378 #include <emmintrin.h> 379 ]], [[ __m128d x = _mm_setzero_pd(); 380 __m128i z = _mm_srli_epi64(_mm_setzero_si128(), 26); ]])], 381 [AC_MSG_RESULT(yes) 382 AC_DEFINE([HAVE_EMMINTRIN_H], [1], [sse2 is available]) 383 AX_CHECK_COMPILE_FLAG([-msse2], [CFLAGS_SSE2="-msse2"])], 384 [AC_MSG_RESULT(no)]) 385 CFLAGS="$oldcflags" 386 387 oldcflags="$CFLAGS" 388 AX_CHECK_COMPILE_FLAG([-msse3], [CFLAGS="$CFLAGS -msse3"]) 389 AC_MSG_CHECKING(for SSE3 instructions set) 390 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 391 #pragma GCC target("sse3") 392 #include <pmmintrin.h> 393 ]], [[ __m128 x = _mm_addsub_ps(_mm_cvtpd_ps(_mm_setzero_pd()), 394 _mm_cvtpd_ps(_mm_setzero_pd())); ]])], 395 [AC_MSG_RESULT(yes) 396 AC_DEFINE([HAVE_PMMINTRIN_H], [1], [sse3 is available]) 397 AX_CHECK_COMPILE_FLAG([-msse3], [CFLAGS_SSE3="-msse3"])], 398 [AC_MSG_RESULT(no)]) 399 CFLAGS="$oldcflags" 400 401 oldcflags="$CFLAGS" 402 AX_CHECK_COMPILE_FLAG([-mssse3], [CFLAGS="$CFLAGS -mssse3"]) 403 AC_MSG_CHECKING(for SSSE3 instructions set) 404 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 405 #pragma GCC target("ssse3") 406 #include <tmmintrin.h> 407 ]], [[ __m64 x = _mm_abs_pi32(_m_from_int(0)); ]])], 408 [AC_MSG_RESULT(yes) 409 AC_DEFINE([HAVE_TMMINTRIN_H], [1], [ssse3 is available]) 410 AX_CHECK_COMPILE_FLAG([-mssse3], [CFLAGS_SSSE3="-mssse3"])], 411 [AC_MSG_RESULT(no)]) 412 CFLAGS="$oldcflags" 413 414 oldcflags="$CFLAGS" 415 AX_CHECK_COMPILE_FLAG([-msse4.1], [CFLAGS="$CFLAGS -msse4.1"]) 416 AC_MSG_CHECKING(for SSE4.1 instructions set) 417 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 418 #pragma GCC target("sse4.1") 419 #include <smmintrin.h> 420 ]], [[ __m128i x = _mm_minpos_epu16(_mm_setzero_si128()); ]])], 421 [AC_MSG_RESULT(yes) 422 AC_DEFINE([HAVE_SMMINTRIN_H], [1], [sse4.1 is available]) 423 AX_CHECK_COMPILE_FLAG([-msse4.1], [CFLAGS_SSE41="-msse4.1"])], 424 [AC_MSG_RESULT(no)]) 425 CFLAGS="$oldcflags" 426 427 oldcflags="$CFLAGS" 428 AX_CHECK_COMPILE_FLAG([-mavx], [CFLAGS="$CFLAGS -mavx"]) 429 AC_MSG_CHECKING(for AVX instructions set) 430 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 431 #ifdef __native_client__ 432 # error NativeClient detected - Avoiding AVX opcodes 433 #endif 434 #pragma GCC target("avx") 435 #include <immintrin.h> 436 ]], [[ _mm256_zeroall(); ]])], 437 [AC_MSG_RESULT(yes) 438 AC_DEFINE([HAVE_AVXINTRIN_H], [1], [AVX is available]) 439 AX_CHECK_COMPILE_FLAG([-mavx], [CFLAGS_AVX="-mavx"])], 440 [AC_MSG_RESULT(no)]) 441 CFLAGS="$oldcflags" 442 443 oldcflags="$CFLAGS" 444 AX_CHECK_COMPILE_FLAG([-mavx2], [CFLAGS="$CFLAGS -mavx2"]) 445 AC_MSG_CHECKING(for AVX2 instructions set) 446 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 447 #ifdef __native_client__ 448 # error NativeClient detected - Avoiding AVX2 opcodes 449 #endif 450 #pragma GCC target("avx2") 451 #include <immintrin.h> 452 ]], [[ 453 __m256 x = _mm256_set1_ps(3.14); 454 __m256 y = _mm256_permutevar8x32_ps(x, _mm256_set1_epi32(42)); 455 return _mm256_movemask_ps(_mm256_cmp_ps(x, y, _CMP_NEQ_OQ)); 456 ]])], 457 [AC_MSG_RESULT(yes) 458 AC_DEFINE([HAVE_AVX2INTRIN_H], [1], [AVX2 is available]) 459 AX_CHECK_COMPILE_FLAG([-mavx2], [CFLAGS_AVX2="-mavx2"]) 460 AC_MSG_CHECKING(if _mm256_broadcastsi128_si256 is correctly defined) 461 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 462 #ifdef __native_client__ 463 # error NativeClient detected - Avoiding AVX2 opcodes 464 #endif 465 #pragma GCC target("avx2") 466 #include <immintrin.h> 467 ]], [[ __m256i y = _mm256_broadcastsi128_si256(_mm_setzero_si128()); ]])], 468 [AC_MSG_RESULT(yes)], 469 [AC_MSG_RESULT(no) 470 AC_DEFINE([_mm256_broadcastsi128_si256], [_mm_broadcastsi128_si256], 471 [Define to the local name of _mm256_broadcastsi128_si256])]) 472 ], 473 [AC_MSG_RESULT(no)]) 474 CFLAGS="$oldcflags" 475 476 oldcflags="$CFLAGS" 477 AX_CHECK_COMPILE_FLAG([-mavx512f], [CFLAGS="$CFLAGS -mavx512f"]) 478 AC_MSG_CHECKING(for AVX512F instructions set) 479 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 480 #ifdef __native_client__ 481 # error NativeClient detected - Avoiding AVX512F opcodes 482 #endif 483 #pragma GCC target("avx512f") 484 #include <immintrin.h> 485 ]], [[ 486 __m512i x = _mm512_setzero_epi32(); 487 __m512i y = _mm512_permutexvar_epi64(_mm512_setr_epi64(0, 1, 4, 5, 2, 3, 6, 7), x); 488 ]])], 489 [AC_MSG_RESULT(yes) 490 AC_DEFINE([HAVE_AVX512FINTRIN_H], [1], [AVX512F is available]) 491 AX_CHECK_COMPILE_FLAG([-mavx512f], [CFLAGS_AVX512F="-mavx512f"])], 492 [AC_MSG_RESULT(no)]) 493 CFLAGS="$oldcflags" 494 495 oldcflags="$CFLAGS" 496 AX_CHECK_COMPILE_FLAG([-maes], [CFLAGS="$CFLAGS -maes"]) 497 AX_CHECK_COMPILE_FLAG([-mpclmul], [CFLAGS="$CFLAGS -mpclmul"]) 498 AC_MSG_CHECKING(for AESNI instructions set and PCLMULQDQ) 499 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 500 #ifdef __native_client__ 501 # error NativeClient detected - Avoiding AESNI opcodes 502 #endif 503 #pragma GCC target("aes") 504 #pragma GCC target("pclmul") 505 #include <wmmintrin.h> 506 ]], [[ __m128i x = _mm_aesimc_si128(_mm_setzero_si128()); 507 __m128i y = _mm_clmulepi64_si128(_mm_setzero_si128(), _mm_setzero_si128(), 0);]])], 508 [AC_MSG_RESULT(yes) 509 AC_DEFINE([HAVE_WMMINTRIN_H], [1], [aesni is available]) 510 AX_CHECK_COMPILE_FLAG([-maes], [CFLAGS_AESNI="-maes"]) 511 AX_CHECK_COMPILE_FLAG([-mpclmul], [CFLAGS_PCLMUL="-mpclmul"]) 512 ], 513 [AC_MSG_RESULT(no)]) 514 CFLAGS="$oldcflags" 515 516 oldcflags="$CFLAGS" 517 AX_CHECK_COMPILE_FLAG([-mrdrnd], [CFLAGS="$CFLAGS -mrdrnd"]) 518 AC_MSG_CHECKING(for RDRAND) 519 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 520 #ifdef __native_client__ 521 # error NativeClient detected - Avoiding RDRAND opcodes 522 #endif 523 #pragma GCC target("rdrnd") 524 #include <immintrin.h> 525 ]], [[ unsigned long long x; _rdrand64_step(&x); ]])], 526 [AC_MSG_RESULT(yes) 527 AC_DEFINE([HAVE_RDRAND], [1], [rdrand is available]) 528 AX_CHECK_COMPILE_FLAG([-mrdrnd], [CFLAGS_RDRAND="-mrdrnd"]) 529 ], 530 [AC_MSG_RESULT(no)]) 531 CFLAGS="$oldcflags" 532 533 ]) 534 535 AC_SUBST(CFLAGS_MMX) 536 AC_SUBST(CFLAGS_SSE2) 537 AC_SUBST(CFLAGS_SSE3) 538 AC_SUBST(CFLAGS_SSSE3) 539 AC_SUBST(CFLAGS_SSE41) 540 AC_SUBST(CFLAGS_AVX) 541 AC_SUBST(CFLAGS_AVX2) 542 AC_SUBST(CFLAGS_AVX512F) 543 AC_SUBST(CFLAGS_AESNI) 544 AC_SUBST(CFLAGS_PCLMUL) 545 AC_SUBST(CFLAGS_RDRAND) 546 547 AC_CHECK_HEADERS([sys/mman.h intrin.h]) 548 549 AC_MSG_CHECKING([if _xgetbv() is available]) 550 AC_LINK_IFELSE( 551 [AC_LANG_PROGRAM([[ #include <intrin.h> ]], [[ (void) _xgetbv(0) ]])], 552 [AC_MSG_RESULT(yes) 553 AC_DEFINE([HAVE__XGETBV], [1], [_xgetbv() is available])], 554 [AC_MSG_RESULT(no)]) 555 556 dnl Checks for typedefs, structures, and compiler characteristics. 557 558 AC_C_INLINE 559 AS_CASE([$host_cpu], 560 [i?86|amd64|x86_64], 561 [ac_cv_c_bigendian=no] 562 ) 563 AC_C_BIGENDIAN( 564 AC_DEFINE(NATIVE_BIG_ENDIAN, 1, [machine is bigendian]), 565 AC_DEFINE(NATIVE_LITTLE_ENDIAN, 1, [machine is littleendian]), 566 AC_MSG_ERROR([unknown endianness]), 567 AC_MSG_ERROR([universal endianness is not supported - compile separately and use lipo(1)]) 568 ) 569 570 AC_MSG_CHECKING(whether __STDC_LIMIT_MACROS is required) 571 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 572 #include <limits.h> 573 #include <stdint.h> 574 ]], [[ 575 (void) SIZE_MAX; 576 (void) UINT64_MAX; 577 ]])], 578 [AC_MSG_RESULT(no)], 579 [AC_MSG_RESULT(yes) 580 CPPFLAGS="$CPPFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS" 581 ]) 582 583 HAVE_AMD64_ASM_V=0 584 AS_IF([test "$enable_asm" != "no"],[ 585 AC_MSG_CHECKING(whether we can use x86_64 asm code) 586 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 587 ]], [[ 588 #if defined(__amd64) || defined(__amd64__) || defined(__x86_64__) 589 # if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(_WIN32) || defined(_WIN64) 590 # error Windows x86_64 calling conventions are not supported yet 591 # endif 592 /* neat */ 593 #else 594 # error !x86_64 595 #endif 596 unsigned char i = 0, o = 0, t; 597 __asm__ __volatile__ ("pxor %%xmm12, %%xmm6 \n" 598 "movb (%[i]), %[t] \n" 599 "addb %[t], (%[o]) \n" 600 : [t] "=&r"(t) 601 : [o] "D"(&o), [i] "S"(&i) 602 : "memory", "flags", "cc"); 603 ]])], 604 [AC_MSG_RESULT(yes) 605 AC_DEFINE([HAVE_AMD64_ASM], [1], [x86_64 asm code can be used]) 606 HAVE_AMD64_ASM_V=1], 607 [AC_MSG_RESULT(no)]) 608 ]) 609 AM_CONDITIONAL([HAVE_AMD64_ASM], [test $HAVE_AMD64_ASM_V = 1]) 610 AC_SUBST(HAVE_AMD64_ASM_V) 611 612 HAVE_AVX_ASM_V=0 613 AS_IF([test "$enable_asm" != "no"],[ 614 AC_MSG_CHECKING(whether we can assemble AVX opcodes) 615 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 616 ]], [[ 617 #if defined(__amd64) || defined(__amd64__) || defined(__x86_64__) 618 # if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(_WIN32) || defined(_WIN64) 619 # error Windows x86_64 calling conventions are not supported yet 620 # endif 621 /* neat */ 622 #else 623 # error !x86_64 624 #endif 625 __asm__ __volatile__ ("vpunpcklqdq %xmm0,%xmm13,%xmm0"); 626 ]])], 627 [AC_MSG_RESULT(yes) 628 AC_DEFINE([HAVE_AVX_ASM], [1], [AVX opcodes are supported]) 629 HAVE_AVX_ASM_V=1], 630 [AC_MSG_RESULT(no)]) 631 ]) 632 AM_CONDITIONAL([HAVE_AVX_ASM], [test $HAVE_AVX_ASM_V = 1]) 633 AC_SUBST(HAVE_AVX_ASM_V) 634 635 AC_MSG_CHECKING(for 128-bit arithmetic) 636 HAVE_TI_MODE_V=0 637 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 638 #if !defined(__GNUC__) && !defined(__SIZEOF_INT128__) 639 # error mode(TI) is a gcc extension, and __int128 is not available 640 #endif 641 #if defined(__clang__) && !defined(__x86_64__) 642 # error clang does not properly handle the 128-bit type on 32-bit systems 643 #endif 644 #ifndef NATIVE_LITTLE_ENDIAN 645 # error libsodium currently expects a little endian CPU for the 128-bit type 646 #endif 647 #ifdef __EMSCRIPTEN__ 648 # error emscripten currently supports only shift operations on integers \ 649 # larger than 64 bits 650 #endif 651 #include <stddef.h> 652 #include <stdint.h> 653 #if defined(__SIZEOF_INT128__) 654 typedef unsigned __int128 uint128_t; 655 #else 656 typedef unsigned uint128_t __attribute__((mode(TI))); 657 #endif 658 void fcontract(uint128_t *t) { 659 *t += 0x8000000000000 - 1; 660 } 661 ]], [[ 662 (void) fcontract; 663 ]])], 664 [AC_MSG_RESULT(yes) 665 AC_DEFINE([HAVE_TI_MODE], [1], [gcc TI mode is available]) 666 HAVE_TI_MODE_V=1], 667 [AC_MSG_RESULT(no)]) 668 AM_CONDITIONAL([HAVE_TI_MODE], [test $HAVE_TI_MODE_V = 1]) 669 AC_SUBST(HAVE_TI_MODE_V) 670 671 HAVE_CPUID_V=0 672 AS_IF([test "$enable_asm" != "no" -o "$host_alias" = "x86_64-nacl"],[ 673 AC_MSG_CHECKING(for cpuid instruction) 674 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 675 unsigned int cpu_info[4]; 676 __asm__ __volatile__ ("xchgl %%ebx, %k1; cpuid; xchgl %%ebx, %k1" : 677 "=a" (cpu_info[0]), "=&r" (cpu_info[1]), 678 "=c" (cpu_info[2]), "=d" (cpu_info[3]) : 679 "0" (0U), "2" (0U)); 680 ]])], 681 [AC_MSG_RESULT(yes) 682 AC_DEFINE([HAVE_CPUID], [1], [cpuid instruction is available]) 683 HAVE_CPUID_V=1], 684 [AC_MSG_RESULT(no)]) 685 ]) 686 AC_SUBST(HAVE_CPUID_V) 687 688 asm_hide_symbol="unsupported" 689 AS_IF([test "$enable_asm" != "no" -o "$host_os" = "nacl"],[ 690 AC_MSG_CHECKING(if the .private_extern asm directive is supported) 691 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 692 __asm__ __volatile__ (".private_extern dummy_symbol \n" 693 ".private_extern _dummy_symbol \n" 694 ".globl dummy_symbol \n" 695 ".globl _dummy_symbol \n" 696 "dummy_symbol: \n" 697 "_dummy_symbol: \n" 698 " nop \n" 699 ); 700 ]])], 701 [AC_MSG_RESULT(yes) 702 asm_hide_symbol=".private_extern"], 703 [AC_MSG_RESULT(no)]) 704 705 AC_MSG_CHECKING(if the .hidden asm directive is supported) 706 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 707 __asm__ __volatile__ (".hidden dummy_symbol \n" 708 ".hidden _dummy_symbol \n" 709 ".globl dummy_symbol \n" 710 ".globl _dummy_symbol \n" 711 "dummy_symbol: \n" 712 "_dummy_symbol: \n" 713 " nop \n" 714 ); 715 ]])], 716 [AC_MSG_RESULT(yes) 717 AS_IF([test "$asm_hide_symbol" = "unsupported"], 718 [asm_hide_symbol=".hidden"], 719 [AC_MSG_NOTICE([unable to reliably tag symbols as private]) 720 asm_hide_symbol="unsupported"]) 721 ], 722 [AC_MSG_RESULT(no)]) 723 724 AS_IF([test "$asm_hide_symbol" != "unsupported"],[ 725 AC_DEFINE_UNQUOTED([ASM_HIDE_SYMBOL], [$asm_hide_symbol], [directive to hide symbols]) 726 ]) 727 ]) 728 729 AC_MSG_CHECKING(if weak symbols are supported) 730 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 731 #if !defined(__ELF__) && !defined(__APPLE_CC__) 732 # error Support for weak symbols may not be available 733 #endif 734 __attribute__((weak)) void __dummy(void *x) { } 735 void f(void *x) { __dummy(x); } 736 ]], [[ ]] 737 )], 738 [AC_MSG_RESULT(yes) 739 AC_DEFINE([HAVE_WEAK_SYMBOLS], [1], [weak symbols are supported])], 740 [AC_MSG_RESULT(no)]) 741 742 AC_MSG_CHECKING(if data alignment is required) 743 aligned_access_required=yes 744 AS_CASE([$host_cpu], 745 [i?86|amd64|x86_64|powerpc*|s390*], 746 [aligned_access_required=no], 747 [arm*], 748 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 749 #ifndef __ARM_FEATURE_UNALIGNED 750 # error data alignment is required 751 #endif 752 ]], [[]])], [aligned_access_required=no], [])] 753 ) 754 AS_IF([test "x$aligned_access_required" = "xyes"], 755 [AC_MSG_RESULT(yes)], 756 [AC_MSG_RESULT(no) 757 AC_DEFINE([CPU_UNALIGNED_ACCESS], [1], [unaligned memory access is supported])]) 758 759 AC_MSG_CHECKING(if atomic operations are supported) 760 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[ 761 static volatile int _sodium_lock; 762 __sync_lock_test_and_set(&_sodium_lock, 1); 763 __sync_lock_release(&_sodium_lock); 764 ]] 765 )], 766 [AC_MSG_RESULT(yes) 767 AC_DEFINE([HAVE_ATOMIC_OPS], [1], [atomic operations are supported])], 768 [AC_MSG_RESULT(no)]) 769 770 dnl Checks for functions and headers 771 772 AC_FUNC_ALLOCA 773 AS_IF([test "x$EMSCRIPTEN" = "x"],[ 774 AC_CHECK_FUNCS([arc4random arc4random_buf]) 775 AC_CHECK_FUNCS([mmap mlock madvise mprotect memset_s explicit_bzero nanosleep]) 776 ]) 777 AC_CHECK_FUNCS([posix_memalign getpid]) 778 779 AC_SUBST([LIBTOOL_EXTRA_FLAGS]) 780 781 TEST_LDFLAGS='' 782 AS_IF([test "x$EMSCRIPTEN" != "x"],[ 783 EXEEXT=.js 784 TEST_LDFLAGS='--memory-init-file 0 --pre-js pre.js.inc -s RESERVED_FUNCTION_POINTERS=8' 785 ]) 786 AC_SUBST(TEST_LDFLAGS) 787 AM_CONDITIONAL([EMSCRIPTEN], [test "x$EMSCRIPTEN" != "x"]) 788 789 AM_CONDITIONAL([NATIVECLIENT], [test "x$NATIVECLIENT" != "x"]) 790 791 AC_DEFINE([CONFIGURED], [1], [the build system was properly configured]) 792 793 dnl Libtool. 794 795 LT_INIT([dlopen]) 796 AC_LIBTOOL_WIN32_DLL 797 gl_LD_OUTPUT_DEF 798 799 dnl Output. 800 801 AH_VERBATIM([NDEBUG], [/* Always evaluate assert() calls */ 802 #ifdef NDEBUG 803 #/**/undef/**/ NDEBUG 804 #endif]) 805 806 AS_IF([test "x$ENABLE_CWFLAGS" = "xyes"], [ 807 CFLAGS="$CFLAGS $CWFLAGS" 808 ]) 809 810 AC_CONFIG_FILES([Makefile 811 builds/Makefile 812 contrib/Makefile 813 dist-build/Makefile 814 libsodium.pc 815 libsodium-uninstalled.pc 816 msvc-scripts/Makefile 817 src/Makefile 818 src/libsodium/Makefile 819 src/libsodium/include/Makefile 820 src/libsodium/include/sodium/version.h 821 test/default/Makefile 822 test/Makefile 823 ]) 824 AC_OUTPUT 825
Indexes created Sat Sep 20 22:09:52 GMT 2025