diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ax_check_openssl.m4 | 124 | ||||
| -rw-r--r-- | m4/check-libc.m4 | 36 |
2 files changed, 126 insertions, 34 deletions
diff --git a/m4/ax_check_openssl.m4 b/m4/ax_check_openssl.m4 new file mode 100644 index 0000000..ce1617c --- /dev/null +++ b/m4/ax_check_openssl.m4 @@ -0,0 +1,124 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_check_openssl.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_OPENSSL([action-if-found[, action-if-not-found]]) +# +# DESCRIPTION +# +# Look for OpenSSL in a number of default spots, or in a user-selected +# spot (via --with-openssl). Sets +# +# OPENSSL_INCLUDES to the include directives required +# OPENSSL_LIBS to the -l directives required +# OPENSSL_LDFLAGS to the -L or -R flags required +# +# and calls ACTION-IF-FOUND or ACTION-IF-NOT-FOUND appropriately +# +# This macro sets OPENSSL_INCLUDES such that source files should use the +# openssl/ directory in include directives: +# +# #include <openssl/hmac.h> +# +# LICENSE +# +# Copyright (c) 2009,2010 Zmanda Inc. <http://www.zmanda.com/> +# Copyright (c) 2009,2010 Dustin J. Mitchell <dustin@zmanda.com> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 11 + +AU_ALIAS([CHECK_SSL], [AX_CHECK_OPENSSL]) +AC_DEFUN([AX_CHECK_OPENSSL], [ + found=false + AC_ARG_WITH([openssl], + [AS_HELP_STRING([--with-openssl=DIR], + [root of the OpenSSL directory])], + [ + case "$withval" in + "" | y | ye | yes | n | no) + AC_MSG_ERROR([Invalid --with-openssl value]) + ;; + *) ssldirs="$withval" + ;; + esac + ], [ + # if pkg-config is installed and openssl has installed a .pc file, + # then use that information and don't search ssldirs + AC_CHECK_TOOL([PKG_CONFIG], [pkg-config]) + if test x"$PKG_CONFIG" != x""; then + OPENSSL_LDFLAGS=`$PKG_CONFIG openssl --libs-only-L 2>/dev/null` + if test $? = 0; then + OPENSSL_LIBS=`$PKG_CONFIG openssl --libs-only-l 2>/dev/null` + OPENSSL_INCLUDES=`$PKG_CONFIG openssl --cflags-only-I 2>/dev/null` + found=true + fi + fi + + # no such luck; use some default ssldirs + if ! $found; then + ssldirs="/usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /usr" + fi + ] + ) + + + # note that we #include <openssl/foo.h>, so the OpenSSL headers have to be in + # an 'openssl' subdirectory + + if ! $found; then + OPENSSL_INCLUDES= + for ssldir in $ssldirs; do + AC_MSG_CHECKING([for include/openssl/ssl.h in $ssldir]) + if test -f "$ssldir/include/openssl/ssl.h"; then + OPENSSL_INCLUDES="-I$ssldir/include" + OPENSSL_LDFLAGS="-L$ssldir/lib" + OPENSSL_LIBS="-lssl -lcrypto" + found=true + AC_MSG_RESULT([yes]) + break + else + AC_MSG_RESULT([no]) + fi + done + + # if the file wasn't found, well, go ahead and try the link anyway -- maybe + # it will just work! + fi + + # try the preprocessor and linker with our new flags, + # being careful not to pollute the global LIBS, LDFLAGS, and CPPFLAGS + + AC_MSG_CHECKING([whether compiling and linking against OpenSSL works]) + echo "Trying link with OPENSSL_LDFLAGS=$OPENSSL_LDFLAGS;" \ + "OPENSSL_LIBS=$OPENSSL_LIBS; OPENSSL_INCLUDES=$OPENSSL_INCLUDES" >&AS_MESSAGE_LOG_FD + + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + save_CPPFLAGS="$CPPFLAGS" + LDFLAGS="$LDFLAGS $OPENSSL_LDFLAGS" + LIBS="$OPENSSL_LIBS $LIBS" + CPPFLAGS="$OPENSSL_INCLUDES $CPPFLAGS" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([#include <openssl/ssl.h>], [SSL_new(NULL)])], + [ + AC_MSG_RESULT([yes]) + $1 + ], [ + AC_MSG_RESULT([no]) + $2 + ]) + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + + AC_SUBST([OPENSSL_INCLUDES]) + AC_SUBST([OPENSSL_LIBS]) + AC_SUBST([OPENSSL_LDFLAGS]) +]) diff --git a/m4/check-libc.m4 b/m4/check-libc.m4 index 68a4f88..b33224f 100644 --- a/m4/check-libc.m4 +++ b/m4/check-libc.m4 @@ -1,17 +1,15 @@ AC_DEFUN([CHECK_LIBC_COMPAT], [ # Check for libc headers -AC_CHECK_HEADERS([endian.h machine/endian.h err.h readpassphrase.h]) AC_CHECK_HEADERS([netinet/ip.h], [], [], [#include <sys/types.h> #include <arpa/inet.h> ]) -AC_HEADER_RESOLV # Check for general libc functions AC_CHECK_FUNCS([asprintf freezero memmem]) -AC_CHECK_FUNCS([readpassphrase reallocarray recallocarray]) +AC_CHECK_FUNCS([reallocarray recallocarray]) AC_CHECK_FUNCS([strlcat strlcpy strndup strnlen strsep strtonum]) AC_CHECK_FUNCS([timegm _mkgmtime timespecsub]) -AC_CHECK_FUNCS([getprogname syslog syslog_r]) +AC_CHECK_FUNCS([getprogname]) AC_CACHE_CHECK([for getpagesize], ac_cv_func_getpagesize, [ AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <unistd.h> @@ -26,7 +24,6 @@ AM_CONDITIONAL([HAVE_ASPRINTF], [test "x$ac_cv_func_asprintf" = xyes]) AM_CONDITIONAL([HAVE_FREEZERO], [test "x$ac_cv_func_freezero" = xyes]) AM_CONDITIONAL([HAVE_GETPAGESIZE], [test "x$ac_cv_func_getpagesize" = xyes]) AM_CONDITIONAL([HAVE_MEMMEM], [test "x$ac_cv_func_memmem" = xyes]) -AM_CONDITIONAL([HAVE_READPASSPHRASE], [test "x$ac_cv_func_readpassphrase" = xyes]) AM_CONDITIONAL([HAVE_REALLOCARRAY], [test "x$ac_cv_func_reallocarray" = xyes]) AM_CONDITIONAL([HAVE_RECALLOCARRAY], [test "x$ac_cv_func_recallocarray" = xyes]) AM_CONDITIONAL([HAVE_STRLCAT], [test "x$ac_cv_func_strlcat" = xyes]) @@ -37,35 +34,6 @@ AM_CONDITIONAL([HAVE_STRSEP], [test "x$ac_cv_func_strsep" = xyes]) AM_CONDITIONAL([HAVE_STRTONUM], [test "x$ac_cv_func_strtonum" = xyes]) AM_CONDITIONAL([HAVE_TIMEGM], [test "x$ac_cv_func_timegm" = xyes]) AM_CONDITIONAL([HAVE_GETPROGNAME], [test "x$ac_cv_func_getprogname" = xyes]) -AM_CONDITIONAL([HAVE_SYSLOG], [test "x$ac_cv_func_syslog" = xyes]) -AM_CONDITIONAL([HAVE_SYSLOG_R], [test "x$ac_cv_func_syslog_r" = xyes]) -]) - -AC_DEFUN([CHECK_SYSCALL_COMPAT], [ -AC_CHECK_FUNCS([accept4 pipe2 pledge poll socketpair]) -AM_CONDITIONAL([HAVE_ACCEPT4], [test "x$ac_cv_func_accept4" = xyes]) -AM_CONDITIONAL([HAVE_PIPE2], [test "x$ac_cv_func_pipe2" = xyes]) -AM_CONDITIONAL([HAVE_PLEDGE], [test "x$ac_cv_func_pledge" = xyes]) -AM_CONDITIONAL([HAVE_POLL], [test "x$ac_cv_func_poll" = xyes]) -AM_CONDITIONAL([HAVE_SOCKETPAIR], [test "x$ac_cv_func_socketpair" = xyes]) -]) - -AC_DEFUN([CHECK_B64_NTOP], [ -AC_SEARCH_LIBS([b64_ntop],[resolv]) -AC_SEARCH_LIBS([__b64_ntop],[resolv]) -AC_CACHE_CHECK([for b64_ntop], ac_cv_have_b64_ntop_arg, [ - AC_LINK_IFELSE([AC_LANG_PROGRAM([[ -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <resolv.h> - ]], [[ b64_ntop(NULL, 0, NULL, 0); ]])], - [ ac_cv_have_b64_ntop_arg="yes" ], - [ ac_cv_have_b64_ntop_arg="no" - ]) -]) -AM_CONDITIONAL([HAVE_B64_NTOP], [test "x$ac_cv_func_b64_ntop_arg" = xyes]) ]) AC_DEFUN([CHECK_CRYPTO_COMPAT], [ |