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cmake: rework NSS and SSL #9831
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| # =========================================================================== | ||
| # http://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 8 | ||
|
|
||
| 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_PATH_PROG([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 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]) | ||
| ]) |
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could dispense with this empty "else" block?
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that's rather fussy