mirror of
https://github.com/urbit/shrub.git
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118 lines
4.1 KiB
Plaintext
118 lines
4.1 KiB
Plaintext
# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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# There are two versions numbers that must be updated on each public release.
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# 1. The libtool version (useful to the linker)
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# 2. The semantic version (useful to humans)
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# Follow these instructions sequentially for the libtool version:
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# 1. If the library source code has changed at all since the last update,
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# then increment revision (‘c:r:a’ becomes ‘c:r+1:a’).
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# 2. If any interfaces have been added, removed, or changed since the last
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# update, increment current, and set revision to 0.
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# 3. If any interfaces have been added since the last public release,
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# then increment age.
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# 4. If any interfaces have been removed or changed since the last public
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# release, then set age to 0.
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m4_define([urcrypt_lt_current], [0])
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m4_define([urcrypt_lt_revision], [0])
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m4_define([urcrypt_lt_age], [0])
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# The package version uses semantic versioning (semver.org).
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# In summary,increment the:
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# 1. MAJOR version when you make incompatible API changes,
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# 2. MINOR version when you add functionality in a backwards compatible manner, and
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# 3. PATCH version when you make backwards compatible bug fixes.
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m4_define([urcrypt_sv_major], [0])
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m4_define([urcrypt_sv_minor], [1])
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m4_define([urcrypt_sv_patch], [0])
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# Initialize autoconf
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AC_PREREQ([2.69])
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AC_INIT([urcrypt], [urcrypt_sv_major.urcrypt_sv_minor.urcrypt_sv_patch])
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AC_SUBST([URCRYPT_API_VERSION], [urcrypt_sv_major])
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AC_SUBST([URCRYPT_LT_VERSION],
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[urcrypt_lt_current:urcrypt_lt_revision:urcrypt_lt_age])
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AC_CONFIG_SRCDIR([urcrypt/util.c])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_AUX_DIR([build-aux])
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AC_CONFIG_MACRO_DIR([build-aux/m4])
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AC_CANONICAL_HOST
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# Initialize automake
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AM_INIT_AUTOMAKE([foreign subdir-objects -Wall -Werror])
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# Initialize libtool
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AM_PROG_AR
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LT_INIT
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# Initialize pkgconfig
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PKG_PROG_PKG_CONFIG
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PKG_INSTALLDIR
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# Checks for programs
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AC_PROG_CC
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# Checks for pkg-config capable libraries
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PKG_CHECK_MODULES([LIBSECP256K1], [libsecp256k1])
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AC_CHECK_HEADER([secp256k1_recovery.h], [],
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[AC_MSG_ERROR([libsecp256k1 must have recovery enabled.])])
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PKG_CHECK_MODULES([LIBCRYPTO], [libcrypto])
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AS_IF([test "$enable_shared" == "yes"],
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[# ensure crypto will be shared for shared object (see README.md)
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save_LDFLAGS=$LDFLAGS
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save_CLAGS=$CFLAGS
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LDFLAGS=$LIBCRYPTO_LIBS
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CFLAGS=$LIBCRYPTO_CFLAGS
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AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/sha.h>],
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[[unsigned char sha[32];
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SHA256("hello", 5, sha);]])],
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[AC_PROG_GREP
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AC_CHECK_TOOL([NM], [nm])
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AC_MSG_CHECKING([for shared libcrypto])
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AS_IF(
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[$NM conftest$EXEEXT | $GREP 'U .*SHA256' 2>&1 >/dev/null],
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[AC_MSG_RESULT([yes])],
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[AC_MSG_ERROR([cannot find shared object for libcrypto.])])],
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[AC_MSG_ERROR([unable to link libcrypto.])])
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LDFLAGS=$save_LDFLAGS
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CFLAGS=$save_CFLAGS])
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# Checks for non pkg-config libraries
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AC_CHECK_LIB([aes_siv], [AES_SIV_CTX_new],
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[AC_SUBST([LIBAES_SIV_LIBS], "-laes_siv")],
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[AC_MSG_ERROR([libaes_siv is required.])],
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[-lcrypto])
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# Checks for header files.
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AC_CHECK_HEADERS([limits.h stddef.h stdint.h stdlib.h string.h])
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# Checks for typedefs, structures, and compiler characteristics.
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AC_CHECK_HEADER_STDBOOL
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AC_TYPE_INT32_T
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AC_TYPE_INT64_T
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AC_TYPE_SIZE_T
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AC_TYPE_UINT32_T
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AC_TYPE_UINT64_T
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AC_TYPE_UINT8_T
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# Checks for library functions.
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AC_CHECK_FUNCS([memset])
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# Checks for CPU architecture, uses SSE instructions if on X86_64
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AS_CASE([$host_cpu],
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[x86_64], [ARCH=x86_64
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AC_MSG_WARN("Architecture x86_64: Building libargon2 with optimizations")],
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[ARCH=generic
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AC_MSG_WARN("Architecture $host_cpu is not x86_64: Building libargon2 without optimizations")]
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)
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AC_SUBST([ARCH])
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AM_CONDITIONAL([ARCH_X86_64], [test "$ARCH" = 'x86_64'])
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AM_CONDITIONAL([ARCH_GENERIC], [test "$ARCH" = 'generic'])
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# Finish and output
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AC_CONFIG_FILES([Makefile liburcrypt-$URCRYPT_API_VERSION.pc:liburcrypt.pc.in])
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AC_OUTPUT
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