2 AC_INIT([libsodium],[0.5.0],
3 [https://github.com/jedisct1/libsodium/issues],
5 [https://github.com/jedisct1/libsodium])
6 AC_CONFIG_MACRO_DIR([m4])
7 AC_CONFIG_SRCDIR([src/libsodium/sodium/version.c])
9 AM_INIT_AUTOMAKE([1.11 dist-bzip2 tar-ustar foreign subdir-objects])
10 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
15 ISODATE=`date +%Y-%m-%d`
18 SODIUM_LIBRARY_VERSION_MAJOR=5
19 SODIUM_LIBRARY_VERSION_MINOR=0
21 SODIUM_LIBRARY_VERSION=10:0:0
25 # current:revision:age
27 # | | +- increment if interfaces have been added
28 # | | set to zero if interfaces have been removed
30 # | +- increment if source code has changed
31 # | set to zero if current is incremented
32 # +- increment if interfaces have been added, removed or changed
33 AC_SUBST(SODIUM_LIBRARY_VERSION_MAJOR)
34 AC_SUBST(SODIUM_LIBRARY_VERSION_MINOR)
35 AC_SUBST(SODIUM_LIBRARY_VERSION)
38 LX_CFLAGS=${CFLAGS-NONE}
43 [AS_HELP_STRING(--disable-ssp,Do not compile with -fstack-protector)],
45 AS_IF([test "x$enableval" = "xno"], [
56 [AS_HELP_STRING(--disable-asm,Disable assembly implementations)],
58 AS_IF([test "x$enableval" = "xno"], [
68 AS_IF([test "x$EMSCRIPTEN" != "x"],[
70 AC_MSG_WARN([compiling to javascript - asm implementations disabled])
73 AS_CASE([$host], [x86_64-*-mingw* | x86_64-*-cygwin*], [enable_asm="no"])
76 [AS_HELP_STRING(--disable-pie,Do not produce position independent executables)],
77 enable_pie=$enableval, enable_pie="maybe")
79 AS_CASE([$host_os], [mingw*], [enable_pie="no"])
81 AC_ARG_ENABLE(blocking-random,
82 [AS_HELP_STRING(--enable-blocking-random,Use /dev/random instead of /dev/urandom)],
84 AS_IF([test "x$enableval" = "xyes"], [
85 AC_DEFINE([USE_BLOCKING_RANDOM], [1], [Use blocking random])
90 [AS_HELP_STRING(--with-safecode,For maintainers only - please do not use)],
91 [AS_IF([test "x$withval" = "xyes"], [
92 AC_ARG_VAR([SAFECODE_HOME], [set to the safecode base directory])
93 : ${SAFECODE_HOME:=/opt/safecode}
94 LDFLAGS="$LDFLAGS -L${SAFECODE_HOME}/lib"
95 LIBS="$LIBS -lsc_dbg_rt -lpoolalloc_bitmap -lstdc++"
96 CFLAGS="$CFLAGS -fmemsafety"
101 [AS_HELP_STRING(--enable-debug,For maintainers only - please do not use)],
103 AS_IF([test "x$enableval" = "xyes"], [
104 AS_IF([test "x$LX_CFLAGS" = "xNONE"], [
106 for flag in `echo $CFLAGS`; do
110 [*], [AS_VAR_APPEND([nxflags], [" $flag"])])
112 CFLAGS="$nxflags -O0 -g3"
114 CPPFLAGS="$CPPFLAGS -DDEBUG=1"
122 PKG_PROG_PKG_CONFIG([0.23])
123 AM_CONDITIONAL([HAVE_PKG_CONFIG], [test "x$PKG_CONFIG" != "x"])
124 AC_SUBST(HAVE_PKG_CONFIG)
128 AC_USE_SYSTEM_EXTENSIONS
129 CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
131 AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
132 [CFLAGS="$CFLAGS -fvisibility=hidden"])
134 AX_CHECK_COMPILE_FLAG([-fPIC], [
135 AX_CHECK_LINK_FLAG([-fPIC],
136 [CFLAGS="$CFLAGS -fPIC"]
140 AS_IF([test "$enable_pie" != "no"],[
141 AX_CHECK_COMPILE_FLAG([-fPIE], [
142 AX_CHECK_LINK_FLAG([-fPIE],
143 [AX_CHECK_LINK_FLAG([-pie],
144 [CFLAGS="$CFLAGS -fPIE"
145 LDFLAGS="$LDFLAGS -pie"])
150 AX_CHECK_COMPILE_FLAG([-fwrapv], [CFLAGS="$CFLAGS -fwrapv"])
151 AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"])
152 AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"])
154 LIBTOOL_OLD_FLAGS="$LIBTOOL_EXTRA_FLAGS"
155 LIBTOOL_EXTRA_FLAGS="$LIBTOOL_EXTRA_FLAGS -version-info $SODIUM_LIBRARY_VERSION"
156 AC_ARG_ENABLE(soname-versions,
157 [AC_HELP_STRING([--enable-soname-versions], [enable soname versions (must be disabled for android) (default: enabled)])],
159 AS_IF([test "x$enableval" = "xno"], [
160 LIBTOOL_EXTRA_FLAGS="$LIBTOOL_OLD_FLAGS -avoid-version"
166 [cygwin* | mingw* | pw32* | cegcc*], [
167 AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
168 AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
171 AS_IF([test "x$enable_ssp" != "xno"],[
174 [cygwin* | mingw* | pw32* | cegcc*], [ ],
176 AX_CHECK_COMPILE_FLAG([-fstack-protector], [
177 AX_CHECK_LINK_FLAG([-fstack-protector],
178 [CFLAGS="$CFLAGS -fstack-protector"]
183 AX_CHECK_COMPILE_FLAG([-fstack-protector-all], [
184 AX_CHECK_LINK_FLAG([-fstack-protector-all],
185 [CFLAGS="$CFLAGS -fstack-protector-all"]
191 AX_CHECK_COMPILE_FLAG([-Winit-self], [CFLAGS="$CFLAGS -Winit-self"])
192 AX_CHECK_COMPILE_FLAG([-Wwrite-strings], [CFLAGS="$CFLAGS -Wwrite-strings"])
193 AX_CHECK_COMPILE_FLAG([-Wdiv-by-zero], [CFLAGS="$CFLAGS -Wdiv-by-zero"])
194 AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [CFLAGS="$CFLAGS -Wsometimes-uninitialized"])
196 AC_ARG_VAR([CWFLAGS], [define to compilation flags for generating extra warnings])
198 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wall], [CWFLAGS="$CWFLAGS -Wall"])
199 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wextra], [CWFLAGS="$CWFLAGS -Wextra"])
201 AC_MSG_CHECKING(for clang)
202 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
208 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-unknown-warning-option],
209 [CWFLAGS="$CWFLAGS -Wno-unknown-warning-option"])
214 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wbad-function-cast], [CWFLAGS="$CWFLAGS -Wbad-function-cast"])
215 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-align], [CWFLAGS="$CWFLAGS -Wcast-align"])
216 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-qual], [CWFLAGS="$CWFLAGS -Wcast-qual"])
217 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wchar-subscripts], [CWFLAGS="$CWFLAGS -Wchar-subscripts"])
218 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcomment], [CWFLAGS="$CWFLAGS -Wcomment"])
219 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wfloat-equal], [CWFLAGS="$CWFLAGS -Wfloat-equal"])
220 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wformat=2], [CWFLAGS="$CWFLAGS -Wformat=2"])
221 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wimplicit], [CWFLAGS="$CWFLAGS -Wimplicit"])
222 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-declarations], [CWFLAGS="$CWFLAGS -Wmissing-declarations"])
223 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-prototypes], [CWFLAGS="$CWFLAGS -Wmissing-prototypes"])
224 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnormalized=id], [CWFLAGS="$CWFLAGS -Wnormalized=id"])
225 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Woverride-init], [CWFLAGS="$CWFLAGS -Woverride-init"])
226 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wparentheses], [CWFLAGS="$CWFLAGS -Wparentheses"])
227 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wpointer-arith], [CWFLAGS="$CWFLAGS -Wpointer-arith"])
228 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wredundant-decls], [CWFLAGS="$CWFLAGS -Wredundant-decls"])
229 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wstrict-prototypes], [CWFLAGS="$CWFLAGS -Wstrict-prototypes"])
230 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wswitch-enum], [CWFLAGS="$CWFLAGS -Wswitch-enum"])
231 AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wvariable-decl], [CWFLAGS="$CWFLAGS -Wvariable-decl"])
233 AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
234 AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
235 AX_CHECK_LINK_FLAG([-Wl,-z,noexecstack], [LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"])
238 AC_SUBST(LIBTOOL_DEPS)
240 AC_ARG_VAR([AR], [path to the ar utility])
241 AC_CHECK_TOOL([AR], [ar], [ar])
243 dnl Checks for headers
245 AS_IF([test "x$EMSCRIPTEN" = "x"],[
247 AC_MSG_CHECKING(for MMX instructions set)
248 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
249 #pragma GCC target("mmx")
250 #include <mmintrin.h>
251 ]], [[ __m64 x = _mm_setzero_si64(); ]])],
253 AC_DEFINE([HAVE_MMINTRIN_H], [1], [mmx is available])],
256 AC_MSG_CHECKING(for SSE2 instructions set)
257 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
258 #pragma GCC target("sse2")
259 #include <emmintrin.h>
260 ]], [[ __m128d x = _mm_setzero_pd(); ]])],
262 AC_DEFINE([HAVE_EMMINTRIN_H], [1], [sse2 is available])],
265 AC_MSG_CHECKING(for SSE3 instructions set)
266 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
267 #pragma GCC target("sse3")
268 #include <pmmintrin.h>
269 ]], [[ __m128 x = _mm_addsub_ps(_mm_cvtpd_ps(_mm_setzero_pd()),
270 _mm_cvtpd_ps(_mm_setzero_pd())); ]])],
272 AC_DEFINE([HAVE_PMMINTRIN_H], [1], [sse3 is available])],
277 AC_CHECK_HEADERS([sys/mman.h])
279 dnl Checks for typedefs, structures, and compiler characteristics.
283 AC_DEFINE(NATIVE_BIG_ENDIAN, 1, [machine is bigendian]),
284 AC_DEFINE(NATIVE_LITTLE_ENDIAN, 1, [machine is littleendian]),
285 AC_MSG_ERROR([unknown endianess]),
286 AC_MSG_ERROR([universal endianess is not supported - compile separately and use lipo(1)])
289 AC_MSG_CHECKING(whether __STDC_LIMIT_MACROS is required)
290 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
299 CPPFLAGS="$CPPFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
303 AS_IF([test "$enable_asm" != "no"],[
304 AC_MSG_CHECKING(whether we can assemble basic amd64 code)
305 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
307 #if defined(__amd64) || defined(__amd64__) || defined(__x86_64__)
312 __asm__("pxor %xmm12,%xmm6");
315 AC_DEFINE([HAVE_AMD64_ASM], [1], [basic amd64 code can be assembled])
319 AM_CONDITIONAL([HAVE_AMD64_ASM], [test $HAVE_AMD64_ASM_V = 1])
320 AC_SUBST(HAVE_AMD64_ASM_V)
322 AC_MSG_CHECKING(for 128-bit arithmetic)
324 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
326 # error mode(TI) is a gcc extension
328 #if defined(__clang__) && !defined(__x86_64__)
329 # error clang doesn't properly compile smult_curve25519_donna_c64.c
331 #ifndef NATIVE_LITTLE_ENDIAN
332 # error donna_c64 currently requires a little endian CPU
335 typedef unsigned uint128_t __attribute__((mode(TI)));
336 void fcontract(uint128_t *t) {
337 *t += 0x8000000000000 - 1;
343 AC_DEFINE([HAVE_TI_MODE], [1], [gcc TI mode is available])
346 AM_CONDITIONAL([HAVE_TI_MODE], [test $HAVE_TI_MODE_V = 1])
347 AC_SUBST(HAVE_TI_MODE_V)
350 AS_IF([test "$enable_asm" != "no"],[
351 AC_MSG_CHECKING(for cpuid instruction)
352 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
353 unsigned int cpu_info[4];
354 __asm__ __volatile__ ("xchgl %%ebx, %k1; cpuid; xchgl %%ebx, %k1" :
355 "=a" (cpu_info[0]), "=&r" (cpu_info[1]),
356 "=c" (cpu_info[2]), "=d" (cpu_info[3]) :
360 AC_DEFINE([HAVE_CPUID], [1], [cpuid instruction is available])
364 AC_SUBST(HAVE_CPUID_V)
367 [i*86 | x86_64 | powerpc* | s390*],
368 [AC_MSG_NOTICE([data alignment is not required on this target])],
370 [AC_MSG_NOTICE([data alignment is required on this target])
371 AC_DEFINE([CPU_ALIGNED_ACCESS_REQUIRED], [1], [data alignment is required])]
374 AC_MSG_CHECKING(for memset_s)
375 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
379 (void) memset_s(dummy, (rsize_t) sizeof dummy, 0, (rsize_t) sizeof dummy);
382 AC_DEFINE([HAVE_MEMSET_S], [1], [memset_s is available])],
385 dnl Checks for functions and headers
387 AC_CHECK_FUNC(clock_gettime, , [AC_CHECK_LIB(rt, clock_gettime)])
388 AC_CHECK_FUNC(fegetenv, , [AC_CHECK_LIB(m, fegetenv)])
390 AS_IF([test "x$EMSCRIPTEN" = "x"],[
391 AC_CHECK_FUNCS([arc4random arc4random_buf])
393 AC_CHECK_FUNCS([mlock VirtualLock])
394 AC_CHECK_FUNCS([SecureZeroMemory explicit_bzero posix_memalign])
396 AC_SUBST([LIBTOOL_EXTRA_FLAGS])
406 AH_VERBATIM([NDEBUG], [/* Never ever ignore assertions */
408 #/**/undef/**/ NDEBUG
411 AS_IF([test "x$PKG_CONFIG" != "x"], [
412 AC_CONFIG_FILES([libsodium.pc])
414 AC_CONFIG_FILES([Makefile
416 msvc-scripts/Makefile
418 src/libsodium/Makefile
419 src/libsodium/include/Makefile
420 src/libsodium/include/sodium/version.h
421 test/default/Makefile