shrub/pkg/urcrypt/configure.ac
2020-10-10 15:01:31 -07:00

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
# Initialize autoconf
AC_PREREQ([2.69])
AC_INIT([urcrypt], [1.0])
AC_CONFIG_SRCDIR([urcrypt/util.c])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([build-aux/m4])
AC_CANONICAL_HOST
# Initialize automake
AM_INIT_AUTOMAKE([foreign subdir-objects -Wall -Werror])
# Initialize libtool
AM_PROG_AR
LT_INIT
# Initialize pkgconfig
PKG_PROG_PKG_CONFIG
PKG_INSTALLDIR
# Checks for programs
AC_PROG_CC
# Checks for pkg-config capable libraries
PKG_CHECK_MODULES([libsecp256k1], [libsecp256k1])
PKG_CHECK_MODULES([libcrypto], [libcrypto])
AS_IF([test "$enable_shared" == "yes"],
[# ensure crypto will be shared for shared object (see README.md)
save_LDFLAGS=$LDFLAGS
save_CLAGS=$CFLAGS
LDFLAGS=$libcrypto_LIBS
CFLAGS=$libcrypto_CFLAGS
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/err.h>],
[ERR_load_crypto_strings()])],
[AC_PROG_GREP
AC_CHECK_TOOL([NM], [nm])
AC_MSG_CHECKING([for shared libcrypto])
AS_IF(
[$NM -f posix conftest$EXEEXT |
$GREP 'ERR_load_crypto_strings U' 2>&1 >/dev/null],
[AC_MSG_RESULT([yes])],
[AC_MSG_ERROR([cannot find shared object for libcrypto.])])],
[AC_MSG_ERROR([unable to link libcrypto.])])
LDFLAGS=$save_LDFLAGS
CFLAGS=$save_CFLAGS])
# Checks for non pkg-config libraries
AC_CHECK_LIB([aes_siv], [AES_SIV_CTX_new],
[libaes_siv_LIBS="-laes_siv"
AC_SUBST([libaes_siv_LIBS])],
[AC_MSG_ERROR([libaes_siv is required.])])
# Checks for header files.
AC_CHECK_HEADERS([limits.h stddef.h stdint.h stdlib.h string.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_SIZE_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
# Checks for library functions.
AC_CHECK_FUNCS([memset])
# Finish and output
AC_CONFIG_FILES([Makefile liburcrypt.pc])
AC_OUTPUT