obgm/libcoap
2
0 Fork 0
mirror of https://github.com/obgm/libcoap.git synced 2026-11-04 08:55:40 +03:00
Code Issues Packages Projects Releases Wiki Activity

configure.ac: use MbedTLS pkg-config if available

Browse Source 
Additionally, this change allows overriding the MbedTLS compiler and
linker flags (just like with the other DTLS libraries).
This commit is contained in:
Hugo Hakim Damer authored and Jon Shallow committed 2024-07-10 17:46:17 +01:00
1 parent 72045d89bd
commit 2ae46c9da2
1 file changed
+79 -16
Download Patch File Download Diff File Expand all files Collapse all files
configure.ac
+79 -16
View File
@@ -497,19 +497,78 @@ if test "x$build_dtls" = "xyes"; then
[have_wolfssl="yes"],
[have_wolfssl="no"])
# Mbed TLS [does not have mbedtls.pc pkg-config file]
AC_CHECK_LIB(mbedtls, mbedtls_version_get_string,
[have_mbedtls="yes"; MbedTLS_CFLAGS="" ; MbedTLS_LIBS="-lmbedtls -lmbedcrypto -lmbedx509"],
[have_mbedtls="no"], -lmbedx509 -lmbedcrypto)
# Mbed TLS
if test "x${MbedTLS_CFLAGS+set}" = "xset"; then
mbedtls_cflags_overridden="yes"
else
mbedtls_cflags_overridden="no"
fi
if test "x${MbedTLS_LIBS+set}" = "xset"; then
mbedtls_libs_overridden="yes"
else
mbedtls_libs_overridden="no"
fi
# If MbedTLS_CFLAGS and MbedTLS_LIBS are overridden, pkg-config will always assume the library was found, even
# though MbedTLS doesn't necessarily have a pkg-config file. Therefore, we might as well use the "old" way to
# determine whether we can link MbedTLS (and which version we have).
if test "x$mbedtls_libs_overridden" = "xyes" -a "x$mbedtls_cflags_overridden" = "xyes"; then
have_mbedtls="no"
mbedtls_has_pkgconfig="no"
else
# Attempt to find MbedTLS using pkg-config.
# When statically linking against libcoap, all transitive dependencies need to be specified as linker flags
# as well. Use PKG_CHECK_MODULES_STATIC for that.
if test "x$enable_static" = "xyes"; then
PKG_CHECK_MODULES_STATIC([MbedTLS],
[mbedtls],
[have_mbedtls="yes"; mbedtls_has_pkgconfig="yes"],
[have_mbedtls="no"; mbedtls_has_pkgconfig="no"])
else
PKG_CHECK_MODULES([MbedTLS],
[mbedtls],
[have_mbedtls="yes"; mbedtls_has_pkgconfig="yes"],
[have_mbedtls="no"; mbedtls_has_pkgconfig="no"])
fi
fi
if test "x$have_mbedtls" = "xno"; then
# Attempt to find mbedtls without pkg-config.
# default linker flags (default CFLAGS are empty, so they don't need to be set).
if test "x$mbedtls_libs_overridden" == "xno"; then
MbedTLS_LIBS="-lmbedtls -lmbedcrypto -lmbedx509"
fi
# check whether we can find MbedTLS
local_MbedTLS_save_CFLAGS=$CFLAGS
CFLAGS="$MbedTLS_CFLAGS $CFLAGS"
local_MbedTLS_save_LIBS=$LIBS
LIBS="$MbedTLS_LIBS $LIBS"
AC_CHECK_LIB(mbedtls, mbedtls_version_get_string,
[have_mbedtls="yes"],
[have_mbedtls="no"])
LIBS=$local_MbedTLS_save_LIBS
CFLAGS=$local_MbedTLS_save_CFLAGS
fi
# here, we know whether we can find MbedTLS, but need to determine the version.
if test "x$have_mbedtls" = "xyes"; then
if test "x$cross_compiling" = "xyes" ; then
if test "x$mbedtls_has_pkgconfig" = "xyes"; then
# If pkg-config found mbedtls, use it to determine the version.
mbedtls_version=`$PKG_CONFIG --modversion mbedtls`;
elif test "x$cross_compiling" = "xyes" ; then
# Have no option but to do this
mbedtls_version=$mbedtls_version_required
else
# Get actual library version
AC_LANG_PUSH(C)
# Get actual library version by compiling a test program.
local_MbedTLS_save_CFLAGS=$CFLAGS
CFLAGS="$MbedTLS_CFLAGS $CFLAGS"
local_MbedTLS_save_LIBS=$LIBS
LIBS="$MbedTLS_LIBS $LIBS"
AC_LANG_PUSH(C)
AC_LINK_IFELSE([dnl
AC_LANG_SOURCE(
[[#include <stdio.h>
@@ -523,8 +582,9 @@ if test "x$build_dtls" = "xyes"; then
[mbedtls_version=$(./conftest$EXEEXT)],
[AC_MSG_WARN(Failed to determine Mbed TLS version)
have_mbedtls=no])
LIBS=$local_MbedTLS_save_LIBS
AC_LANG_POP(C)
LIBS=$local_MbedTLS_save_LIBS
CFLAGS=$local_MbedTLS_save_CFLAGS
fi
fi
@@ -609,7 +669,6 @@ if test "x$build_dtls" = "xyes"; then
fi
AC_MSG_NOTICE([The use of Mbed TLS was explicitly requested with configure option '--with-mbedtls'!])
# check for valid Mbed TLS version (mbedtls.pc does not exist - hmm)
# mbedtls_version determined previously
AX_CHECK_MBEDTLS_VERSION
have_gnutls="no" # don't confuse AC_MSG_RESULT at the end of the script
@@ -1343,14 +1402,14 @@ fi
if test "x$with_gnutls" = "xyes" -o "x$with_gnutls_auto" = "xyes"; then
AC_MSG_RESULT([ build DTLS support : "yes"])
AC_MSG_RESULT([ --> GnuTLS around : "yes" (found GnuTLS $gnutls_version)])
AC_MSG_RESULT([ GNUTLS_CFLAGS : "$GnuTLS_CFLAGS"])
AC_MSG_RESULT([ GNUTLS_LIBS : "$GnuTLS_LIBS"])
AC_MSG_RESULT([ GnuTLS_CFLAGS : "$GnuTLS_CFLAGS"])
AC_MSG_RESULT([ GnuTLS_LIBS : "$GnuTLS_LIBS"])
fi
if test "x$with_openssl" = "xyes" -o "x$with_openssl_auto" = "xyes"; then
AC_MSG_RESULT([ build DTLS support : "yes"])
AC_MSG_RESULT([ --> OpenSSL around : "yes" (found OpenSSL $openssl_version)])
AC_MSG_RESULT([ OPENSSL_CFLAGS : "$OpenSSL_CFLAGS"])
AC_MSG_RESULT([ OPENSSL_LIBS : "$OpenSSL_LIBS"])
AC_MSG_RESULT([ OpenSSL_CFLAGS : "$OpenSSL_CFLAGS"])
AC_MSG_RESULT([ OpenSSL_LIBS : "$OpenSSL_LIBS"])
fi
if test "x$with_wolfssl" = "xyes" -o "x$with_wolfssl_auto" = "xyes"; then
AC_MSG_RESULT([ build DTLS support : "yes"])
@@ -1360,9 +1419,13 @@ if test "x$with_wolfssl" = "xyes" -o "x$with_wolfssl_auto" = "xyes"; then
fi
if test "x$with_mbedtls" = "xyes" -o "x$with_mbedtls_auto" = "xyes"; then
AC_MSG_RESULT([ build DTLS support : "yes"])
AC_MSG_RESULT([ --> Mbed TLS around : "yes" (found Mbed TLS $mbedtls_version)])
AC_MSG_RESULT([ MBEDTLS_CFLAGS : "$MbedTLS_CFLAGS"])
AC_MSG_RESULT([ MBEDTLS_LIBS : "$MbedTLS_LIBS"])
if test "x$mbedtls_has_pkgconfig" = "xyes"; then
AC_MSG_RESULT([ --> Mbed TLS around : "yes" (found Mbed TLS $mbedtls_version using pkg-config)])
else
AC_MSG_RESULT([ --> Mbed TLS around : "yes" (found Mbed TLS $mbedtls_version without pkg-config)])
fi
AC_MSG_RESULT([ MbedTLS_CFLAGS : "$MbedTLS_CFLAGS"])
AC_MSG_RESULT([ MbedTLS_LIBS : "$MbedTLS_LIBS"])
fi
if test "x$with_tinydtls" = "xyes"; then
AC_MSG_RESULT([ build DTLS support : "yes"])