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Squashed 'src/secp256k1/' changes from 0b70241..b19c000
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b19c000 Merge dashpay#607: Use size_t shifts when computing a size_t
4d01bc2 Merge dashpay#606: travis: Remove unused sudo:false
e6d01e9 Use size_t shifts when computing a size_t
7667532 travis: Remove unused sudo:false
ee99f12 Merge dashpay#599: Switch x86_64 asm to use "i" instead of "n" for immediate values.
d58bc93 Switch x86_64 asm to use "i" instead of "n" for immediate values.
05362ee Merge dashpay#597: Add $(COMMON_LIB) to exhaustive tests to fix ARM asm build
8348386 Add $(COMMON_LIB) to exhaustive tests to fix ARM asm build
aa15154 Merge dashpay#568: Fix integer overflow in ecmult_multi_var when n is large
2277af5 Fix integer overflow in ecmult_multi_var when n is large
85d0e1b Merge dashpay#591: Make bench_internal obey secp256k1_fe_sqrt's contract wrt aliasing.
1419637 Merge dashpay#580: Add trivial ecmult_multi algorithm which does not require a scratch space
a697d82 Add trivial ecmult_multi to the benchmark tool
bade617 Add trivial ecmult_multi algorithm. It is selected when no scratch space is given and just multiplies and adds the points.
5545e13 Merge dashpay#584: configure: Use CFLAGS_FOR_BUILD when checking native compiler
20c5869 Merge dashpay#516: improvements to random seed in src/tests.c
b76e45d Make bench_internal obey secp256k1_fe_sqrt's contract wrt aliasing.
870a977 Merge dashpay#562: Make use of TAG_PUBKEY constants in secp256k1_eckey_pubkey_parse
be40c4d Fixup for C90 mixed declarations.
c71dd2c Merge dashpay#509: Fix algorithm selection in bench_ecmult
6492bf8 Merge dashpay#518: Summarize build options after running configure
0e9ada1 Merge dashpay#567: Correct order of libs returned on pkg-config --libs --static libsecp2…
e96901a Merge dashpay#587: Make randomization of a non-signing context a noop
58df8d0 Merge dashpay#511: Portability fix for the configure scripts generated
2ebdad7 Merge dashpay#552: Make constants static:
1c131af Merge dashpay#551: secp256k1_fe_sqrt: Verify that the arguments don't alias.
ba698f8 Merge dashpay#539: Assorted minor corrections
949e85b Merge dashpay#550: Optimize secp256k1_fe_normalize_weak calls.
a34bcaa Actually pass CFLAGS_FOR_BUILD and LDFLAGS_FOR_BUILD to linker
2d5f4ce configure: Use CFLAGS_FOR_BUILD when checking native compiler
b408c6a Merge dashpay#579: Use __GNUC_PREREQ for detecting __builtin_expect
6198375 Make randomization of a non-signing context a noop
c663397 Use __GNUC_PREREQ for detecting __builtin_expect
e34ceb3 Merge dashpay#557: Eliminate scratch memory used when generating contexts
b3bf5f9 ecmult_impl: expand comment to explain how effective affine interacts with everything
efa783f Store z-ratios in the 'x' coord they'll recover
ffd3b34 add `secp256k1_ge_set_all_gej_var` test which deals with many infinite points
84740ac ecmult_impl: save one fe_inv_var
4704527 ecmult_impl: eliminate scratch memory used when generating context
7f7a2ed ecmult_gen_impl: eliminate scratch memory used when generating context
314a61d Merge dashpay#553: add static context object which has no capabilities
89a20a8 Correct order of libs returned on pkg-config --libs --static libsecp256k1 call.
1086fda Merge dashpay#354: [ECDH API change] Support custom hash function
d3cb1f9 Make use of TAG_PUBKEY constants in secp256k1_eckey_pubkey_parse
40fde61 prevent attempts to modify `secp256k1_context_no_precomp`
ed7c084 add static context object which has no capabilities
496c5b4 Make constants static: static const secp256k1_ge secp256k1_ge_const_g; static const int CURVE_B;
bf8b86c secp256k1_fe_sqrt: Verify that the arguments don't alias.
9bd89c8 Optimize secp256k1_fe_normalize_weak calls. Move secp256k1_fe_normalize_weak calls out of ECMULT_TABLE_GET_GE and ECMULT_TABLE_GET_GE_STORAGE and into secp256k1_ge_globalz_set_table_gej instead.
52ab96f clean dependendies in field_*_impl.h
deff5ed Correct math typos in field_*.h
4efb3f8 Add check that restrict pointers don't alias with all parameters.
1e6f1f5 Merge dashpay#529: fix tests.c in the count == 0 case
c8fbc3c [ECDH API change] Allow pass arbitrary data to hash function
b00be65 [ECDH API change] Support custom hash function
95e99f1 fix tests.c in the count == 0 case
452d8e4 Merge dashpay#523: scratch: add stack frame support
6fe5043 scratch: add stack frame support
9bc2e26 Merge dashpay#522: parameterize ecmult_const over input size
7c1b91b parameterize ecmult_const over input size
dbc3ddd Merge dashpay#513: Increase sparsity of pippenger fixed window naf representation
3965027 Summarize build options in configure script
0f05173 Fix algorithm selection in bench_ecmult
fb9271d Merge dashpay#510: add a couple missing `const`s to ecmult_pippenger_wnaf
cd5f602 Merge dashpay#515: Fix typo
09146ae Merge dashpay#512: secp256k1_ec_privkey_negate - fix documentation
ec0a7b3 Don't touch leading zeros in wnaf_fixed.
9e36d1b Fix bug in wnaf_fixed where the wnaf array is not completely zeroed when given a 0 scalar.
96f68a0 Don't invert scalar in wnaf_fixed when it is even because a caller might intentionally give a scalar with many leading zeros.
8b3841c fix bug in fread() failure check
cddef0c tests: add warning message when /dev/urandom fails
9b7c47a Fix typo
6dbb007 Increase sparsity of pippenger fixed window naf representation
1646ace secp256k1_ec_privkey_negate - fix documentation
270f6c8 Portability fix for the configure scripts generated
9b3ff03 add a couple missing `const`s to ecmult_pippenger_wnaf
cd329db Merge dashpay#460: [build] Update ax_jni_include_dir.m4 macro
7f9c1a1 Merge dashpay#498: tests: Avoid calling fclose(...) with an invalid argument
f99aa8d Merge dashpay#499: tests: Make sure we get the requested number of bytes from /dev/urandom
b549d3d Merge dashpay#472: [build] Set --enable-jni to no by default instead of auto.
d333521 Merge dashpay#494: Support OpenSSL versions >= 1.1 for ENABLE_OPENSSL_TESTS
2ef8ea5 Merge dashpay#495: Add bench_ecmult to .gitignore
82a96e4 tests: Make sure we get the requested number of bytes from /dev/urandom
5aae5b5 Avoid calling fclose(...) with an invalid argument
cb32940 Add bench_ecmult to .gitignore
31abd3a Support OpenSSL versions >= 1.1 for ENABLE_OPENSSL_TESTS
c95f6f1 Merge dashpay#487: fix tests typo, s/changed/unchanged
fb46c83 Merge dashpay#463: Reduce usage of hardcoded size constants
02f5001 Merge dashpay#490: Disambiguate bench functions and types
1f46d60 Disambiguate bench functions and types
f54c6c5 Merge dashpay#480: Enable benchmark building by default
c77fc08 Merge dashpay#486: Add pippenger_wnaf for multi-multiplication
d2f9c6b Use more precise pippenger bucket windows
4c950bb Save some additions per window in _pippenger_wnaf
a58f543 Add flags for choosing algorithm in ecmult_multi benchmark
36b22c9 Use scratch space dependent batching in ecmult_multi
355a38f Add pippenger_wnaf ecmult_multi
bc65aa7 Add bench_ecmult
dba5471 Add ecmult_multi tests
8c1c831 Generalize Strauss to support multiple points
548de42 add resizeable scratch space API
0e96cdc fix typo, s/changed/unchanged
c7680e5 Reduce usage of hardcoded size constants
6ad5cdb Merge dashpay#479: Get rid of reserved _t in type names
7a78f60 Print whether we're building benchmarks
4afec9f Build benchmarks by default
d1dc9df Get rid of reserved _t in type names
57752d2 [build] Set --enable-jni to no by default instead of auto.
e7daa9b [build] Tweak JNI macro to warn instead of error for JNI not found.
5b22977 [build] Update ax_jni_include_dir.m4 macro to deal with recent versions of macOS

git-subtree-dir: src/secp256k1
git-subtree-split: b19c000
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sipa committed Mar 31, 2019
1 parent fd86f99 commit 5424598
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Showing 44 changed files with 2,415 additions and 416 deletions.
1 change: 1 addition & 0 deletions .gitignore
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
bench_inv
bench_ecdh
bench_ecmult
bench_sign
bench_verify
bench_schnorr_verify
Expand Down
9 changes: 4 additions & 5 deletions .travis.yml
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
language: c
sudo: false
os: linux
addons:
apt:
packages: libgmp-dev
Expand All @@ -11,7 +11,7 @@ cache:
- src/java/guava/
env:
global:
- FIELD=auto BIGNUM=auto SCALAR=auto ENDOMORPHISM=no STATICPRECOMPUTATION=yes ASM=no BUILD=check EXTRAFLAGS= HOST= ECDH=no RECOVERY=no EXPERIMENTAL=no
- FIELD=auto BIGNUM=auto SCALAR=auto ENDOMORPHISM=no STATICPRECOMPUTATION=yes ASM=no BUILD=check EXTRAFLAGS= HOST= ECDH=no RECOVERY=no EXPERIMENTAL=no JNI=no
- GUAVA_URL=https://search.maven.org/remotecontent?filepath=com/google/guava/guava/18.0/guava-18.0.jar GUAVA_JAR=src/java/guava/guava-18.0.jar
matrix:
- SCALAR=32bit RECOVERY=yes
Expand All @@ -29,7 +29,7 @@ env:
- BUILD=distcheck
- EXTRAFLAGS=CPPFLAGS=-DDETERMINISTIC
- EXTRAFLAGS=CFLAGS=-O0
- BUILD=check-java ECDH=yes EXPERIMENTAL=yes
- BUILD=check-java JNI=yes ECDH=yes EXPERIMENTAL=yes
matrix:
fast_finish: true
include:
Expand Down Expand Up @@ -65,5 +65,4 @@ before_script: ./autogen.sh
script:
- if [ -n "$HOST" ]; then export USE_HOST="--host=$HOST"; fi
- if [ "x$HOST" = "xi686-linux-gnu" ]; then export CC="$CC -m32"; fi
- ./configure --enable-experimental=$EXPERIMENTAL --enable-endomorphism=$ENDOMORPHISM --with-field=$FIELD --with-bignum=$BIGNUM --with-scalar=$SCALAR --enable-ecmult-static-precomputation=$STATICPRECOMPUTATION --enable-module-ecdh=$ECDH --enable-module-recovery=$RECOVERY $EXTRAFLAGS $USE_HOST && make -j2 $BUILD
os: linux
- ./configure --enable-experimental=$EXPERIMENTAL --enable-endomorphism=$ENDOMORPHISM --with-field=$FIELD --with-bignum=$BIGNUM --with-scalar=$SCALAR --enable-ecmult-static-precomputation=$STATICPRECOMPUTATION --enable-module-ecdh=$ECDH --enable-module-recovery=$RECOVERY --enable-jni=$JNI $EXTRAFLAGS $USE_HOST && make -j2 $BUILD
13 changes: 9 additions & 4 deletions Makefile.am
Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@ noinst_HEADERS += src/field_5x52_asm_impl.h
noinst_HEADERS += src/java/org_bitcoin_NativeSecp256k1.h
noinst_HEADERS += src/java/org_bitcoin_Secp256k1Context.h
noinst_HEADERS += src/util.h
noinst_HEADERS += src/scratch.h
noinst_HEADERS += src/scratch_impl.h
noinst_HEADERS += src/testrand.h
noinst_HEADERS += src/testrand_impl.h
noinst_HEADERS += src/hash.h
Expand Down Expand Up @@ -79,14 +81,17 @@ libsecp256k1_jni_la_CPPFLAGS = -DSECP256K1_BUILD $(JNI_INCLUDES)

noinst_PROGRAMS =
if USE_BENCHMARK
noinst_PROGRAMS += bench_verify bench_sign bench_internal
noinst_PROGRAMS += bench_verify bench_sign bench_internal bench_ecmult
bench_verify_SOURCES = src/bench_verify.c
bench_verify_LDADD = libsecp256k1.la $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB)
bench_sign_SOURCES = src/bench_sign.c
bench_sign_LDADD = libsecp256k1.la $(SECP_LIBS) $(SECP_TEST_LIBS) $(COMMON_LIB)
bench_internal_SOURCES = src/bench_internal.c
bench_internal_LDADD = $(SECP_LIBS) $(COMMON_LIB)
bench_internal_CPPFLAGS = -DSECP256K1_BUILD $(SECP_INCLUDES)
bench_ecmult_SOURCES = src/bench_ecmult.c
bench_ecmult_LDADD = $(SECP_LIBS) $(COMMON_LIB)
bench_ecmult_CPPFLAGS = -DSECP256K1_BUILD $(SECP_INCLUDES)
endif

TESTS =
Expand All @@ -109,7 +114,7 @@ exhaustive_tests_CPPFLAGS = -DSECP256K1_BUILD -I$(top_srcdir)/src $(SECP_INCLUDE
if !ENABLE_COVERAGE
exhaustive_tests_CPPFLAGS += -DVERIFY
endif
exhaustive_tests_LDADD = $(SECP_LIBS)
exhaustive_tests_LDADD = $(SECP_LIBS) $(COMMON_LIB)
exhaustive_tests_LDFLAGS = -static
TESTS += exhaustive_tests
endif
Expand Down Expand Up @@ -146,19 +151,19 @@ endif

if USE_ECMULT_STATIC_PRECOMPUTATION
CPPFLAGS_FOR_BUILD +=-I$(top_srcdir)
CFLAGS_FOR_BUILD += -Wall -Wextra -Wno-unused-function

gen_context_OBJECTS = gen_context.o
gen_context_BIN = gen_context$(BUILD_EXEEXT)
gen_%.o: src/gen_%.c
$(CC_FOR_BUILD) $(CPPFLAGS_FOR_BUILD) $(CFLAGS_FOR_BUILD) -c $< -o $@

$(gen_context_BIN): $(gen_context_OBJECTS)
$(CC_FOR_BUILD) $^ -o $@
$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) $^ -o $@

$(libsecp256k1_la_OBJECTS): src/ecmult_static_context.h
$(tests_OBJECTS): src/ecmult_static_context.h
$(bench_internal_OBJECTS): src/ecmult_static_context.h
$(bench_ecmult_OBJECTS): src/ecmult_static_context.h

src/ecmult_static_context.h: $(gen_context_BIN)
./$(gen_context_BIN)
Expand Down
47 changes: 26 additions & 21 deletions build-aux/m4/ax_jni_include_dir.m4
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_jni_include_dir.html
# https://www.gnu.org/software/autoconf-archive/ax_jni_include_dir.html
# ===========================================================================
#
# SYNOPSIS
Expand Down Expand Up @@ -44,7 +44,7 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.

#serial 10
#serial 14

AU_ALIAS([AC_JNI_INCLUDE_DIR], [AX_JNI_INCLUDE_DIR])
AC_DEFUN([AX_JNI_INCLUDE_DIR],[
Expand All @@ -66,40 +66,45 @@ else
fi
case "$host_os" in
darwin*) _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'`
_JINC="$_JTOPDIR/Headers";;
*) _JINC="$_JTOPDIR/include";;
darwin*) # Apple Java headers are inside the Xcode bundle.
macos_version=$(sw_vers -productVersion | sed -n -e 's/^@<:@0-9@:>@*.\(@<:@0-9@:>@*\).@<:@0-9@:>@*/\1/p')
if @<:@ "$macos_version" -gt "7" @:>@; then
_JTOPDIR="$(xcrun --show-sdk-path)/System/Library/Frameworks/JavaVM.framework"
_JINC="$_JTOPDIR/Headers"
else
_JTOPDIR="/System/Library/Frameworks/JavaVM.framework"
_JINC="$_JTOPDIR/Headers"
fi
;;
*) _JINC="$_JTOPDIR/include";;
esac
_AS_ECHO_LOG([_JTOPDIR=$_JTOPDIR])
_AS_ECHO_LOG([_JINC=$_JINC])
# On Mac OS X 10.6.4, jni.h is a symlink:
# /System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers/jni.h
# -> ../../CurrentJDK/Headers/jni.h.
AC_CACHE_CHECK(jni headers, ac_cv_jni_header_path,
[
if test -f "$_JINC/jni.h"; then
ac_cv_jni_header_path="$_JINC"
JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path"
else
_JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'`
if test -f "$_JTOPDIR/include/jni.h"; then
ac_cv_jni_header_path="$_JTOPDIR/include"
if test -f "$_JINC/jni.h"; then
ac_cv_jni_header_path="$_JINC"
JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path"
else
ac_cv_jni_header_path=none
_JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'`
if test -f "$_JTOPDIR/include/jni.h"; then
ac_cv_jni_header_path="$_JTOPDIR/include"
JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path"
else
ac_cv_jni_header_path=none
fi
fi
fi
])
# get the likely subdirectories for system specific java includes
case "$host_os" in
bsdi*) _JNI_INC_SUBDIRS="bsdos";;
darwin*) _JNI_INC_SUBDIRS="darwin";;
freebsd*) _JNI_INC_SUBDIRS="freebsd";;
darwin*) _JNI_INC_SUBDIRS="darwin";;
linux*) _JNI_INC_SUBDIRS="linux genunix";;
osf*) _JNI_INC_SUBDIRS="alpha";;
solaris*) _JNI_INC_SUBDIRS="solaris";;
Expand All @@ -112,9 +117,9 @@ if test "x$ac_cv_jni_header_path" != "xnone"; then
# add any subdirectories that are present
for JINCSUBDIR in $_JNI_INC_SUBDIRS
do
if test -d "$_JTOPDIR/include/$JINCSUBDIR"; then
JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$JINCSUBDIR"
fi
if test -d "$_JTOPDIR/include/$JINCSUBDIR"; then
JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$JINCSUBDIR"
fi
done
fi
])
Expand Down
1 change: 0 additions & 1 deletion build-aux/m4/bitcoin_secp.m4
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,6 @@ if test x"$has_libcrypto" = x"yes" && test x"$has_openssl_ec" = x; then
EC_KEY_free(eckey);
ECDSA_SIG *sig_openssl;
sig_openssl = ECDSA_SIG_new();
(void)sig_openssl->r;
ECDSA_SIG_free(sig_openssl);
]])],[has_openssl_ec=yes],[has_openssl_ec=no])
AC_MSG_RESULT([$has_openssl_ec])
Expand Down
89 changes: 60 additions & 29 deletions configure.ac
Original file line number Diff line number Diff line change
Expand Up @@ -85,9 +85,9 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
])

AC_ARG_ENABLE(benchmark,
AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is no)]),
AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is yes)]),
[use_benchmark=$enableval],
[use_benchmark=no])
[use_benchmark=yes])

AC_ARG_ENABLE(coverage,
AS_HELP_STRING([--enable-coverage],[enable compiler flags to support kcov coverage analysis]),
Expand Down Expand Up @@ -135,9 +135,9 @@ AC_ARG_ENABLE(module_recovery,
[enable_module_recovery=no])

AC_ARG_ENABLE(jni,
AS_HELP_STRING([--enable-jni],[enable libsecp256k1_jni (default is auto)]),
AS_HELP_STRING([--enable-jni],[enable libsecp256k1_jni (default is no)]),
[use_jni=$enableval],
[use_jni=auto])
[use_jni=no])

AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=64bit|32bit|auto],
[Specify Field Implementation. Default is auto])],[req_field=$withval], [req_field=auto])
Expand All @@ -153,12 +153,6 @@ AC_ARG_WITH([asm], [AS_HELP_STRING([--with-asm=x86_64|arm|no|auto]

AC_CHECK_TYPES([__int128])

AC_MSG_CHECKING([for __builtin_expect])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void myfunc() {__builtin_expect(0,0);}]])],
[ AC_MSG_RESULT([yes]);AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]) ],
[ AC_MSG_RESULT([no])
])

if test x"$enable_coverage" = x"yes"; then
AC_DEFINE(COVERAGE, 1, [Define this symbol to compile out all VERIFY code])
CFLAGS="$CFLAGS -O0 --coverage"
Expand All @@ -168,27 +162,54 @@ else
fi

if test x"$use_ecmult_static_precomputation" != x"no"; then
# Temporarily switch to an environment for the native compiler
save_cross_compiling=$cross_compiling
cross_compiling=no
TEMP_CC="$CC"
SAVE_CC="$CC"
CC="$CC_FOR_BUILD"
AC_MSG_CHECKING([native compiler: ${CC_FOR_BUILD}])
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS_FOR_BUILD"
SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS_FOR_BUILD"
SAVE_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS_FOR_BUILD"

warn_CFLAGS_FOR_BUILD="-Wall -Wextra -Wno-unused-function"
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $warn_CFLAGS_FOR_BUILD"
AC_MSG_CHECKING([if native ${CC_FOR_BUILD} supports ${warn_CFLAGS_FOR_BUILD}])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
[ AC_MSG_RESULT([yes]) ],
[ AC_MSG_RESULT([no])
CFLAGS="$saved_CFLAGS"
])

AC_MSG_CHECKING([for working native compiler: ${CC_FOR_BUILD}])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([], [return 0])],
[AC_LANG_PROGRAM([], [])],
[working_native_cc=yes],
[working_native_cc=no],[dnl])
CC="$TEMP_CC"

CFLAGS_FOR_BUILD="$CFLAGS"

# Restore the environment
cross_compiling=$save_cross_compiling
CC="$SAVE_CC"
CFLAGS="$SAVE_CFLAGS"
CPPFLAGS="$SAVE_CPPFLAGS"
LDFLAGS="$SAVE_LDFLAGS"

if test x"$working_native_cc" = x"no"; then
AC_MSG_RESULT([no])
set_precomp=no
m4_define([please_set_for_build], [Please set CC_FOR_BUILD, CFLAGS_FOR_BUILD, CPPFLAGS_FOR_BUILD, and/or LDFLAGS_FOR_BUILD.])
if test x"$use_ecmult_static_precomputation" = x"yes"; then
AC_MSG_ERROR([${CC_FOR_BUILD} does not produce working binaries. Please set CC_FOR_BUILD])
AC_MSG_ERROR([native compiler ${CC_FOR_BUILD} does not produce working binaries. please_set_for_build])
else
AC_MSG_RESULT([${CC_FOR_BUILD} does not produce working binaries. Please set CC_FOR_BUILD])
AC_MSG_WARN([Disabling statically generated ecmult table because the native compiler ${CC_FOR_BUILD} does not produce working binaries. please_set_for_build])
fi
else
AC_MSG_RESULT([ok])
AC_MSG_RESULT([yes])
set_precomp=yes
fi
else
Expand Down Expand Up @@ -441,17 +462,6 @@ if test x"$use_external_asm" = x"yes"; then
AC_DEFINE(USE_EXTERNAL_ASM, 1, [Define this symbol if an external (non-inline) assembly implementation is used])
fi

AC_MSG_NOTICE([Using static precomputation: $set_precomp])
AC_MSG_NOTICE([Using assembly optimizations: $set_asm])
AC_MSG_NOTICE([Using field implementation: $set_field])
AC_MSG_NOTICE([Using bignum implementation: $set_bignum])
AC_MSG_NOTICE([Using scalar implementation: $set_scalar])
AC_MSG_NOTICE([Using endomorphism optimizations: $use_endomorphism])
AC_MSG_NOTICE([Building for coverage analysis: $enable_coverage])
AC_MSG_NOTICE([Building ECDH module: $enable_module_ecdh])
AC_MSG_NOTICE([Building ECDSA pubkey recovery module: $enable_module_recovery])
AC_MSG_NOTICE([Using jni: $use_jni])

if test x"$enable_experimental" = x"yes"; then
AC_MSG_NOTICE([******])
AC_MSG_NOTICE([WARNING: experimental build])
Expand Down Expand Up @@ -481,7 +491,7 @@ AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"])
AM_CONDITIONAL([USE_ECMULT_STATIC_PRECOMPUTATION], [test x"$set_precomp" = x"yes"])
AM_CONDITIONAL([ENABLE_MODULE_ECDH], [test x"$enable_module_ecdh" = x"yes"])
AM_CONDITIONAL([ENABLE_MODULE_RECOVERY], [test x"$enable_module_recovery" = x"yes"])
AM_CONDITIONAL([USE_JNI], [test x"$use_jni" == x"yes"])
AM_CONDITIONAL([USE_JNI], [test x"$use_jni" = x"yes"])
AM_CONDITIONAL([USE_EXTERNAL_ASM], [test x"$use_external_asm" = x"yes"])
AM_CONDITIONAL([USE_ASM_ARM], [test x"$set_asm" = x"arm"])

Expand All @@ -491,3 +501,24 @@ unset PKG_CONFIG_PATH
PKG_CONFIG_PATH="$PKGCONFIG_PATH_TEMP"

AC_OUTPUT

echo
echo "Build Options:"
echo " with endomorphism = $use_endomorphism"
echo " with ecmult precomp = $set_precomp"
echo " with jni = $use_jni"
echo " with benchmarks = $use_benchmark"
echo " with coverage = $enable_coverage"
echo " module ecdh = $enable_module_ecdh"
echo " module recovery = $enable_module_recovery"
echo
echo " asm = $set_asm"
echo " bignum = $set_bignum"
echo " field = $set_field"
echo " scalar = $set_scalar"
echo
echo " CC = $CC"
echo " CFLAGS = $CFLAGS"
echo " CPPFLAGS = $CPPFLAGS"
echo " LDFLAGS = $LDFLAGS"
echo
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