net-misc/curl: backport rustls detection fix

Closes: https://bugs.gentoo.org/919396
Signed-off-by: Matt Jolly <kangie@gentoo.org>

3 files changed, 259 insertions, 2 deletions

diff --git a/net-misc/curl/curl-8.5.0-r3.ebuild b/net-misc/curl/curl-8.5.0-r3.ebuild
index 2ec6057d272b..d9c017b22b2b 100644
--- a/net-misc/curl/curl-8.5.0-r3.ebuild
+++ b/net-misc/curl/curl-8.5.0-r3.ebuild
@@ -86,7 +86,7 @@ RDEPEND="
 			>=dev-libs/openssl-0.9.7:=[sslv3(-)=,static-libs?,${MULTILIB_USEDEP}]
 		)
 		rustls? (
-			net-libs/rustls-ffi:=[${MULTILIB_USEDEP}]
+			~net-libs/rustls-ffi-0.10.0:=[${MULTILIB_USEDEP}]
 		)
 	)
 	zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )
diff --git a/net-misc/curl/curl-8.6.0-r1.ebuild b/net-misc/curl/curl-8.6.0-r1.ebuild
index ec36bfb60122..f48e3df12d7c 100644
--- a/net-misc/curl/curl-8.6.0-r1.ebuild
+++ b/net-misc/curl/curl-8.6.0-r1.ebuild
@@ -86,7 +86,7 @@ RDEPEND="
 			>=dev-libs/openssl-0.9.7:=[sslv3(-)=,static-libs?,${MULTILIB_USEDEP}]
 		)
 		rustls? (
-			net-libs/rustls-ffi:=[${MULTILIB_USEDEP}]
+			~net-libs/rustls-ffi-0.10.0:=[${MULTILIB_USEDEP}]
 		)
 	)
 	zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )
@@ -131,6 +131,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-prefix.patch
 	"${FILESDIR}"/${PN}-respect-cflags-3.patch
 	"${FILESDIR}"/${P}-vtls-revert-receive-max-buffer-add-test-case.patch
+	"${FILESDIR}"/${P}-backport-rustls-detection.patch
 )
 
 src_prepare() {
diff --git a/net-misc/curl/files/curl-8.6.0-backport-rustls-detection.patch b/net-misc/curl/files/curl-8.6.0-backport-rustls-detection.patch
new file mode 100644
index 000000000000..5d7b3a23c2c9
--- /dev/null
+++ b/net-misc/curl/files/curl-8.6.0-backport-rustls-detection.patch
@@ -0,0 +1,256 @@
+https://github.com/curl/curl/commit/647e86a3efe1eea7a2a456c009cfe1eb55fe48eb
+https://github.com/curl/curl/pull/13202
+From: Matt Jolly <Matt.Jolly@footclan.ninja>
+Date: Fri, 29 Mar 2024 09:58:14 +1000
+Subject: [PATCH] curl-rustls.m4: add pkg-config support to rustls detection
+
+Based on the existing openssl pkg-config detection, this commit tries to
+use pkg-config to find `rustls` then falls back to the current approach
+if that fails.
+
+We use the following logic:
+
+- if no path is provided, just use pkg-config, if it's not there we have
+  a problem!
+- if a path is provided, try pkg-config
+  + if pkg-config fails, try and find rustls directly
+---
+ m4/curl-rustls.m4 | 209 ++++++++++++++++++++++++++++++++--------------
+ 1 file changed, 145 insertions(+), 64 deletions(-)
+
+diff --git a/m4/curl-rustls.m4 b/m4/curl-rustls.m4
+index 75542e4..902327a 100644
+--- a/m4/curl-rustls.m4
++++ b/m4/curl-rustls.m4
+@@ -28,84 +28,165 @@ dnl check for rustls
+ dnl ----------------------------------------------------
+ 
+ if test "x$OPT_RUSTLS" != xno; then
+-  _cppflags=$CPPFLAGS
+-  _ldflags=$LDFLAGS
+   ssl_msg=
+ 
+-  if test X"$OPT_RUSTLS" != Xno; then
++  dnl backup the pre-ssl variables
++  CLEANLDFLAGS="$LDFLAGS"
++  CLEANCPPFLAGS="$CPPFLAGS"
+ 
+-    if test "$OPT_RUSTLS" = "yes"; then
+-      OPT_RUSTLS=""
+-    fi
++  case $host_os in
++    darwin*)
++      LDFLAGS="$LDFLAGS -framework Security"
++      ;;
++    *)
++      ;;
++  esac
++  ## NEW CODE
+ 
+-    case $host_os in
+-      darwin*)
+-        LDFLAGS="$LDFLAGS -framework Security"
+-        ;;
+-      *)
+-        ;;
+-    esac
+-
+-    if test -z "$OPT_RUSTLS" ; then
+-      dnl check for lib first without setting any new path
+-
+-      AC_CHECK_LIB(rustls, rustls_client_session_read,
+-      dnl librustls found, set the variable
+-       [
+-         AC_DEFINE(USE_RUSTLS, 1, [if rustls is enabled])
+-         AC_SUBST(USE_RUSTLS, [1])
+-         RUSTLS_ENABLED=1
+-         USE_RUSTLS="yes"
+-         ssl_msg="rustls"
+-         test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes
+-        ], [], -lpthread -ldl -lm)
+-    fi
++  dnl use pkg-config unless we have been given a path
++  dnl even then, try pkg-config first
+ 
+-    if test "x$USE_RUSTLS" != "xyes"; then
+-      dnl add the path and test again
+-      addld=-L$OPT_RUSTLS/lib$libsuff
+-      addcflags=-I$OPT_RUSTLS/include
+-      rustlslib=$OPT_RUSTLS/lib$libsuff
++  case "$OPT_RUSTLS" in
++    yes)
++      dnl --with-rustls (without path) used
++      PKGTEST="yes"
++      PREFIX_RUSTLS=
++      ;;
++    *)
++      dnl check the provided --with-rustls path
++      PKGTEST="no"
++      PREFIX_RUSTLS=$OPT_RUSTLS
+ 
+-      LDFLAGS="$LDFLAGS $addld"
+-      if test "$addcflags" != "-I/usr/include"; then
+-         CPPFLAGS="$CPPFLAGS $addcflags"
++      dnl Try pkg-config even when cross-compiling.  Since we
++      dnl specify PKG_CONFIG_LIBDIR we are only looking where
++      dnl the user told us to look
++
++      RUSTLS_PCDIR="$PREFIX_RUSTLS/lib/pkgconfig"
++      if test -f "$RUSTLS_PCDIR/rustls.pc"; then
++        AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$RUSTLS_PCDIR"])
++        PKGTEST="yes"
+       fi
+ 
+-      AC_CHECK_LIB(rustls, rustls_connection_read,
+-       [
+-       AC_DEFINE(USE_RUSTLS, 1, [if rustls is enabled])
+-       AC_SUBST(USE_RUSTLS, [1])
+-       RUSTLS_ENABLED=1
+-       USE_RUSTLS="yes"
+-       ssl_msg="rustls"
+-       test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes
+-       ],
+-       AC_MSG_ERROR([--with-rustls was specified but could not find rustls.]),
+-       -lpthread -ldl -lm)
+-    fi
++      if test "$PKGTEST" != "yes"; then
++        # try lib64 instead
++        RUSTLS_PCDIR="$PREFIX_RUSTLS/lib64/pkgconfig"
++        if test -f "$RUSTLS_PCDIR/rustls.pc"; then
++          AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$RUSTLS_PCDIR"])
++          PKGTEST="yes"
++        fi
++      fi
++
++      if test "$PKGTEST" != "yes"; then
++        dnl pkg-config came up empty, use what we got
++        dnl via --with-rustls
+ 
+-    if test "x$USE_RUSTLS" = "xyes"; then
+-      AC_MSG_NOTICE([detected rustls])
+-      check_for_ca_bundle=1
+-
+-      LIBS="-lrustls -lpthread -ldl -lm $LIBS"
+-
+-      if test -n "$rustlslib"; then
+-        dnl when shared libs were found in a path that the run-time
+-        dnl linker doesn't search through, we need to add it to
+-        dnl CURL_LIBRARY_PATH to prevent further configure tests to fail
+-        dnl due to this
+-        if test "x$cross_compiling" != "xyes"; then
+-          CURL_LIBRARY_PATH="$CURL_LIBRARY_PATH:$rustlslib"
+-          export CURL_LIBRARY_PATH
+-          AC_MSG_NOTICE([Added $rustlslib to CURL_LIBRARY_PATH])
++        addld=-L$PREFIX_RUSTLS/lib$libsuff
++        addcflags=-I$PREFIX_RUSTLS/include
++
++        LDFLAGS="$LDFLAGS $addld"
++        if test "$addcflags" != "-I/usr/include"; then
++            CPPFLAGS="$CPPFLAGS $addcflags"
++        fi
++
++        AC_CHECK_LIB(rustls, rustls_connection_read,
++          [
++          AC_DEFINE(USE_RUSTLS, 1, [if rustls is enabled])
++          AC_SUBST(USE_RUSTLS, [1])
++          RUSTLS_ENABLED=1
++          USE_RUSTLS="yes"
++          ssl_msg="rustls"
++          test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes
++          ],
++          AC_MSG_ERROR([--with-rustls was specified but could not find rustls.]),
++          -lpthread -ldl -lm)
++
++        USE_RUSTLS="yes"
++        ssl_msg="rustls"
++
++        LIB_RUSTLS="$PREFIX_RUSTLS/lib$libsuff"
++        if test "$PREFIX_RUSTLS" != "/usr" ; then
++          SSL_LDFLAGS="-L$LIB_RUSTLS"
++          SSL_CPPFLAGS="-I$PREFIX_RUSTLS/include"
+         fi
+       fi
++      ;;
++  esac
++
++  if test "$PKGTEST" = "yes"; then
++
++    CURL_CHECK_PKGCONFIG(rustls, [$RUSTLS_PCDIR])
++
++    if test "$PKGCONFIG" != "no" ; then
++      SSL_LIBS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl
++        $PKGCONFIG --libs-only-l --libs-only-other rustls 2>/dev/null`
++
++      SSL_LDFLAGS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl
++        $PKGCONFIG --libs-only-L rustls 2>/dev/null`
++
++      SSL_CPPFLAGS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl
++        $PKGCONFIG --cflags-only-I rustls 2>/dev/null`
++
++      AC_SUBST(SSL_LIBS)
++      AC_MSG_NOTICE([pkg-config: SSL_LIBS: "$SSL_LIBS"])
++      AC_MSG_NOTICE([pkg-config: SSL_LDFLAGS: "$SSL_LDFLAGS"])
++      AC_MSG_NOTICE([pkg-config: SSL_CPPFLAGS: "$SSL_CPPFLAGS"])
++
++      LIB_RUSTLS=`echo $SSL_LDFLAGS | sed -e 's/^-L//'`
++
++      dnl use the values pkg-config reported.  This is here
++      dnl instead of below with CPPFLAGS and LDFLAGS because we only
++      dnl learn about this via pkg-config.  If we only have
++      dnl the argument to --with-rustls we don't know what
++      dnl additional libs may be necessary.  Hope that we
++      dnl don't need any.
++      LIBS="$SSL_LIBS $LIBS"
++      USE_RUSTLS="yes"
++      ssl_msg="rustls"
++      AC_DEFINE(USE_RUSTLS, 1, [if rustls is enabled])
++      AC_SUBST(USE_RUSTLS, [1])
++      RUSTLS_ENABLED=1
++      test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes
++    else
++      AC_MSG_ERROR([pkg-config: Could not find rustls])
+     fi
+ 
+-  fi dnl rustls not disabled
++  else
++    dnl we did not use pkg-config, so we need to add the
++    dnl rustls lib to LIBS
++    LIBS="-lrustls -lpthread -ldl -lm $LIBS"
++  fi
++
++  dnl finally, set flags to use this TLS backend
++  CPPFLAGS="$CLEAN_CPPFLAGS $SSL_CPPFLAGS"
++  LDFLAGS="$CLAN_LDFLAGS $SSL_LDFLAGS"
++
++  if test "x$USE_RUSTLS" = "xyes"; then
++    AC_MSG_NOTICE([detected rustls])
++    check_for_ca_bundle=1
++
++    if test -n "$LIB_RUSTLS"; then
++      dnl when shared libs were found in a path that the run-time
++      dnl linker does not search through, we need to add it to
++      dnl CURL_LIBRARY_PATH so that further configure tests do not
++      dnl fail due to this
++      if test "x$cross_compiling" != "xyes"; then
++        CURL_LIBRARY_PATH="$CURL_LIBRARY_PATH:$LIB_RUSTLS"
++        export CURL_LIBRARY_PATH
++        AC_MSG_NOTICE([Added $LIB_RUSTLS to CURL_LIBRARY_PATH])
++      fi
++    fi
++  fi
+ 
+   test -z "$ssl_msg" || ssl_backends="${ssl_backends:+$ssl_backends, }$ssl_msg"
++
++  if test X"$OPT_RUSTLS" != Xno &&
++    test "$RUSTLS_ENABLED" != "1"; then
++    AC_MSG_NOTICE([OPT_RUSTLS: $OPT_RUSTLS])
++    AC_MSG_NOTICE([RUSTLS_ENABLED: $RUSTLS_ENABLED])
++    AC_MSG_ERROR([--with-rustls was given but Rustls could not be detected])
++  fi
+ fi
+ ])
++
++
++RUSTLS_ENABLED
+--
+2.44.0