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AC_PREREQ([2.60])
AC_INIT([libwallycore],[0.1])
AC_CONFIG_AUX_DIR([tools/build-aux])
AC_CONFIG_MACRO_DIR([tools/build-aux/m4])
AC_CONFIG_SRCDIR([src/mnemonic.h])
AC_CONFIG_HEADERS([src/config.h])
AC_CANONICAL_HOST
AH_TOP([#ifndef LIBWALLYCORE_CONFIG_H
#define LIBWALLYCORE_CONFIG_H])
AH_BOTTOM([#include "ccan_config.h"
#endif /*LIBWALLYCORE_CONFIG_H*/])
LDPATH_VAR=LD_LIBRARY_PATH
case $host_os in
*darwin*)
is_osx="yes"
LDPATH_VAR=DYLD_LIBRARY_PATH
;;
esac
AM_CONDITIONAL([IS_OSX], [test "x$is_osx" == "xyes"])
AC_SUBST([LDPATH_VAR])
AM_INIT_AUTOMAKE([foreign subdir-objects])
LT_INIT([disable-static])
AC_PROG_CC
# Prefer gccs ar/ranlib as they handle flto files properly
AC_CHECK_PROG(HAVE_GCC_AR,gcc-ar,yes,no)
if test "x$HAVE_GCC_AR" == "xyes"; then
AR=gcc-ar
AC_SUBST([AR])
fi
AC_CHECK_PROG(HAVE_GCC_RANLIB,gcc-ranlib,yes,no)
if test "x$HAVE_GCC_RANLIB" == "xyes"; then
RANLIB=gcc-ranlib
AC_SUBST([RANLIB])
fi
GNU_SED=sed
AC_CHECK_PROG(HAVE_GSED,gsed,yes,no)
if test "x$HAVE_GSED" == "xyes"; then
GNU_SED=gsed
else
if test "x$is_osx" == "xyes"; then
AC_MSG_ERROR([gsed must be available to build this library])
fi
fi
AC_SUBST([GNU_SED])
#
# C facilities
#
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug],[enable debugging (default: no)]),
[debug=$enableval], [debug=no])
AC_ARG_ENABLE(coverage,
AS_HELP_STRING([--enable-coverage],[enable code coverage (default: no)]),
[coverage=$enableval], [coverage=no])
CFLAGS=`echo $CFLAGS | $GNU_SED -e 's/-O2//g' | $GNU_SED -e 's/-g//g'`
AC_C_BIGENDIAN()
AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_UINT64_T
AC_TYPE_UINT32_T
AC_TYPE_UINT16_T
AC_TYPE_UINT8_T
AM_CFLAGS=
if test "x$debug" == "xyes"; then
# Make debugging easier, leave assertions in
AX_CHECK_COMPILE_FLAG([-O0], [AM_CFLAGS="$AM_CFLAGS -O0"])
AX_CHECK_COMPILE_FLAG([-ggdb], [AM_CFLAGS="$AM_CFLAGS -ggdb"])
AX_CHECK_LINK_FLAG([-O0], [LDFLAGS="$LDFLAGS -O0"])
AX_CHECK_LINK_FLAG([-ggdb], [LDFLAGS="$LDFLAGS -ggdb"])
if test "x$coverage" == "xyes"; then
AX_CHECK_COMPILE_FLAG([-fprofile-arcs -ftest-coverage], [AM_CFLAGS="$AM_CFLAGS -fprofile-arcs -ftest-coverage"])
AX_CHECK_LINK_FLAG([-lgcov], [LDFLAGS="$LDFLAGS -lgcov"])
fi
else
# Optimise and harden if we can
AX_CHECK_COMPILE_FLAG([-O3], [AM_CFLAGS="$AM_CFLAGS -O3"])
AX_CHECK_COMPILE_FLAG([-D_FORTIFY_SOURCE=1], [AM_CFLAGS="$AM_CFLAGS -D_FORTIFY_SOURCE=1"])
AX_CHECK_COMPILE_FLAG([-fstack-protector-strong], [AM_CFLAGS="$AM_CFLAGS -fstack-protector-strong"])
AX_CHECK_COMPILE_FLAG([-DNDEBUG=1], [AM_CFLAGS="$AM_CFLAGS -DNDEBUG=1"])
AX_CHECK_LINK_FLAG([-O3], [LDFLAGS="$LDFLAGS -O3"])
AX_CHECK_LINK_FLAG([-flto], [LDFLAGS="$LDFLAGS -flto"])
AX_CHECK_LINK_FLAG([-flto], [AM_CFLAGS="$AM_CFLAGS -flto"])
AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
fi
# -flax-vector-conversions is needed for our arm assembly
AX_CHECK_COMPILE_FLAG([-flax-vector-conversions], [AM_CFLAGS="$AM_CFLAGS -flax-vector-conversions"])
AX_CHECK_COMPILE_FLAG([-Wall], [AM_CFLAGS="$AM_CFLAGS -Wall"])
AX_CHECK_COMPILE_FLAG([-Wextra], [AM_CFLAGS="$AM_CFLAGS -Wextra"])
AX_CHECK_COMPILE_FLAG([-Wpedantic], [AM_CFLAGS="$AM_CFLAGS -Wpedantic"])
AX_CHECK_COMPILE_FLAG([-Wcast-align], [AM_CFLAGS="$AM_CFLAGS -Wcast-align"])
AX_CHECK_COMPILE_FLAG([-Wnested-externs], [AM_CFLAGS="$AM_CFLAGS -Wnested-externs"])
AX_CHECK_COMPILE_FLAG([-Wshadow], [AM_CFLAGS="$AM_CFLAGS -Wshadow"])
AX_CHECK_COMPILE_FLAG([-Wstrict-prototypes], [AM_CFLAGS="$AM_CFLAGS -Wstrict-prototypes"])
AX_CHECK_COMPILE_FLAG([-Wno-unused-function], [AM_CFLAGS="$AM_CFLAGS -Wno-unused-function"])
AX_CHECK_COMPILE_FLAG([-Wno-long-long], [AM_CFLAGS="$AM_CFLAGS -Wno-long-long"])
AX_CHECK_COMPILE_FLAG([-Wno-overlength-strings], [AM_CFLAGS="$AM_CFLAGS -Wno-overlength-strings"])
AX_CHECK_COMPILE_FLAG([-Wformat], [AM_CFLAGS="$AM_CFLAGS -Wformat"])
AX_CHECK_COMPILE_FLAG([-Wformat-security], [AM_CFLAGS="$AM_CFLAGS -Wformat-security"])
AX_CHECK_COMPILE_FLAG([-Wformat-nonliteral], [AM_CFLAGS="$AM_CFLAGS -Wformat-nonliteral"])
AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [NOALIAS_CFLAGS="-fno-strict-aliasing"])
AC_SUBST([NOALIAS_CFLAGS])
# Under OSX the compiler accepts this flag but the linker then fails.
if test "x$is_osx" != "xyes"; then
AX_CHECK_COMPILE_FLAG([-Wl,--whole-archive], [whole_archive=yes])
fi
# SWIG versions vary in generated code quality; skip warnings
SWIG_WARN_CFLAGS="-fno-strict-aliasing"
AX_CHECK_COMPILE_FLAG([-Wno-shadow], [SWIG_WARN_CFLAGS="$SWIG_WARN_CFLAGS -Wno-shadow"])
AX_CHECK_COMPILE_FLAG([-Wno-self-assign], [SWIG_WARN_CFLAGS="$SWIG_WARN_CFLAGS -Wno-self-assign"])
AX_CHECK_COMPILE_FLAG([-Wno-missing-field-initializers], [SWIG_WARN_CFLAGS="$SWIG_WARN_CFLAGS -Wno-missing-field-initializers"])
AC_SUBST([SWIG_WARN_CFLAGS])
AC_ARG_ENABLE(export-all,
AS_HELP_STRING([--enable-export-all],[export all functions (for testing, default: no)]),
[export_all=$enableval], [export_all=no])
AM_CONDITIONAL([EXPORT_ALL], [test "x$export_all" == "xyes"])
if test "x$export_all" != "xyes"; then
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden], [AM_CFLAGS="$AM_CFLAGS -fvisibility=hidden"])
fi
# Assume we have no unaligned access if cross-compiling
AC_RUN_IFELSE([AC_LANG_SOURCE([int main(void){static int a[2];return *((int*)(((char*)a)+1)) != 0;}])],
[AC_DEFINE([HAVE_UNALIGNED_ACCESS], 1, [Define if we have unaligned access])],,[foo=1])
if test "x$is_osx" != "xyes"; then
# Assume we are using gcc (i.e. have this attribute) if cross-compiling
AC_COMPILE_IFELSE([AC_LANG_SOURCE([extern int foo(int) __attribute__((weak)); int main(void){return 0;}])],
[AC_DEFINE([HAVE_ATTRIBUTE_WEAK], 1, [Define if we have __attribute__((weak))])])
fi
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/mman.h>]],[[mmap(0,0,0,0,0,0)]])],
[AC_DEFINE(HAVE_MMAP, 1, [Define if we have mmap])])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]],[[return posix_memalign(NULL,0,0)]])],
[AC_DEFINE(HAVE_POSIX_MEMALIGN, 1, [Define if we have posix_memalign])])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <string.h>]],[[int x[1]; memset_s(x, 1, 0, 1)]])],
[AC_DEFINE(HAVE_MEMSET_S, 1, [Define if we have memset_s])])
AC_CHECK_HEADERS([byteswap.h])
AX_PTHREAD([ac_have_pthread=yes], [ac_have_pthread=no])
AM_CONDITIONAL([USE_PTHREAD], [test "x$ac_have_pthread" == "xyes"])
if test "x$ac_have_pthread" == "xyes"; then
AC_DEFINE([HAVE_PTHREAD], 1, [Define if we have pthread support])
fi
#
# libsecp256k1
#
# FIXME: This is needed to force libtool to use all object files from secp.
# We can only build secp properly by recursively invoking
# configure/make, and can't include it as a noinst_ library. Libtool
# assumes that such libraries will be installed along with our library
# target and so won't force all object files in the library to be
# included in ours - despite the fact that we are making a shared
# library and linking to a static one. This is broken and we work
# around it by hacking the whole-archive flags into the _LDADD variable
# for wallycore.
# Because automake tries to police its users very strictly and fails
# hard when flags are passed in this way, we have to substitute the
# flags here.
# Because libtool both intercepts -Wl and arbitrarily re-orders its
# command line inputs, we have to concoct a single expression to
# enforce linking that cannot be split, hence the below expression.
LIBADD_SECP256K1="secp256k1/.libs/libsecp256k1.a"
if test "x$whole_archive" == "xyes"; then
LIBADD_SECP256K1="-Wl,--whole-archive,secp256k1/.libs/libsecp256k1.a,--no-whole-archive"
fi
AC_SUBST([LIBADD_SECP256K1])
#
# Python facilities
#
AX_PYTHON_DEVEL([>= '2.7.0'])
AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != ""])
AM_CONDITIONAL([RUN_PYTHON_TESTS], [test "x$pythonexists" == "xyes"])
#
# SWIG
#
AC_PROG_SWIG
AC_ARG_ENABLE(swig-python,
AS_HELP_STRING([--enable-swig-python],[enable the SWIG python interface (default: no)]),
[swig_python=$enableval], [swig_python=no])
AM_CONDITIONAL([USE_SWIG_PYTHON], [test "x$swig_python" == "xyes"])
if test "x$swig_python" == "xyes"; then
if test "x$pythonexists" != "xyes"; then
AC_MSG_FAILURE([ERROR: No usable python was found for swig-python])
fi
SWIG_PYTHON
AX_CHECK_COMPILE_FLAG([-DSWIG_PYTHON_BUILD=1], [AM_CFLAGS="$AM_CFLAGS -DSWIG_PYTHON_BUILD=1"])
fi
AC_ARG_ENABLE(swig-java,
AS_HELP_STRING([--enable-swig-java],[enable the SWIG java (JNI) interface (default: no)]),
[swig_java=$enableval], [swig_java=no])
AM_CONDITIONAL([USE_SWIG_JAVA], [test "x$swig_java" == "xyes"])
if test "x$swig_java" == "xyes"; then
AX_JNI_INCLUDE_DIR
for JNI_DIR in $JNI_INCLUDE_DIRS; do
SWIG_JAVA_CPPFLAGS="$SWIG_JAVA_CPPFLAGS -I$JNI_DIR"
done
SWIG_JAVA_OPT="-java"
AC_SUBST([SWIG_JAVA_CPPFLAGS])
AC_SUBST([SWIG_JAVA_OPT])
AX_CHECK_COMPILE_FLAG([-DSWIG_JAVA_BUILD=1], [AM_CFLAGS="$AM_CFLAGS -DSWIG_JAVA_BUILD=1"])
fi
if test "x$JAVA_HOME" != "x"; then
JAVA="$JAVA_HOME/bin/java"
AC_SUBST([JAVA])
JAVAC="$JAVA_HOME/bin/javac"
AC_SUBST([JAVAC])
JAR="$JAVA_HOME/bin/jar"
AC_SUBST([JAR])
else
AC_CHECK_PROGS(JAVA, [java])
AC_CHECK_PROGS(JAVAC, [javac])
AC_CHECK_PROGS(JAR, [jar])
fi
AM_CONDITIONAL([HAVE_JAVA], [test "x$JAVA" != "x"])
AM_CONDITIONAL([HAVE_JAVAC], [test "x$JAVAC" != "x"])
if test "x$swig_java" == "xyes"; then
if test "x$JAVAC" != "x"; then
if test "x$JAVA" != "x"; then
# Only run tests if we have java-swig, compiler and interpreter
run_java_tests="yes"
fi
fi
fi
AM_CONDITIONAL([RUN_JAVA_TESTS], [test "x$run_java_tests" != "x"])
JAVAC_TARGET=1.7
AC_SUBST([JAVAC_TARGET])
AC_SUBST([AM_CFLAGS])
AC_CONFIG_FILES([
Makefile
src/Makefile
])
secp_jni="--disable-jni"
if test "x$swig_java" == "xyes"; then
secp_jni="--enable-jni"
fi
ac_configure_args="${ac_configure_args} --disable-shared ${secp_jni} --with-pic --with-bignum=no --enable-experimental --enable-module-schnorr --enable-module-ecdh --enable-openssl-tests=no --disable-dependency-tracking"
AC_CONFIG_SUBDIRS([src/secp256k1])
AC_OUTPUT