From 9d7ff2e14cf8239f46a9a36143ea335284b975a0 Mon Sep 17 00:00:00 2001
From: Steve McIntyre <93sam@debian.org>
Date: Mon, 5 Aug 2024 11:51:56 +0100
Subject: [PATCH] Build with GnuTLS.

Origin: vendor
Forwarded: not-needed
Last-Update: 2024-11-06

Gbp-Pq: Name ZZZgnutls-build.patch
---
 configure.ac                   | 12 ++++++-
 docs/examples/Makefile.am      |  2 +-
 lib/Makefile.am                | 62 +++++++++++++++++++++++++++++++++-
 src/Makefile.am                |  2 +-
 tests/http/clients/Makefile.am |  2 +-
 tests/libtest/Makefile.am      |  4 +--
 6 files changed, 77 insertions(+), 7 deletions(-)

diff --git a/configure.ac b/configure.ac
index a2879568..5501bee5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -257,6 +257,16 @@ AS_HELP_STRING([--with-gnutls=PATH],[where to look for GnuTLS, PATH points to th
   fi
 ])
 
+# Debian-specific changes - tweak build settings if we're building with gnutls
+AM_CONDITIONAL(GNUTLSBUILD, test x$OPT_GNUTLS != xno)
+if test X$OPT_GNUTLS != Xno; then
+  AC_SUBST(LIBCURL_FILESTUB, ["libcurl-gnutls"])
+  AC_SUBST(CURL_LIBCURL_VERSIONED_SYMBOLS_SONAME, [3])
+else
+  AC_SUBST(LIBCURL_FILESTUB, ["libcurl"])
+  AC_SUBST(CURL_LIBCURL_VERSIONED_SYMBOLS_SONAME, [4])
+fi
+
 OPT_MBEDTLS=no
 AC_ARG_WITH(mbedtls,dnl
 AS_HELP_STRING([--with-mbedtls=PATH],[where to look for mbedTLS, PATH points to the installation root]),[
@@ -2600,7 +2610,7 @@ AS_HELP_STRING([--disable-versioned-symbols], [Disable versioned symbols in shar
 )
 
 AC_SUBST([CURL_LIBCURL_VERSIONED_SYMBOLS_PREFIX], ["$versioned_symbols_flavour"])
-AC_SUBST([CURL_LIBCURL_VERSIONED_SYMBOLS_SONAME], ["4"])  dnl Keep in sync with VERSIONCHANGE - VERSIONDEL in lib/Makefile.soname
+# AC_SUBST([CURL_LIBCURL_VERSIONED_SYMBOLS_SONAME], ["4"])  dnl Keep in sync with VERSIONCHANGE - VERSIONDEL in lib/Makefile.soname
 AM_CONDITIONAL([CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS],
   [test "x$versioned_symbols" = 'xyes'])
 
diff --git a/docs/examples/Makefile.am b/docs/examples/Makefile.am
index d67b4dd6..a5aebbde 100644
--- a/docs/examples/Makefile.am
+++ b/docs/examples/Makefile.am
@@ -49,7 +49,7 @@ endif
 LIBS = $(BLANK_AT_MAKETIME)
 
 # Dependencies
-LDADD = $(LIBDIR)/libcurl.la @LIBCURL_PC_LIBS_PRIVATE@
+LDADD = $(LIBDIR)/$(LIBCURL_FILESTUB).la @LIBCURL_PC_LIBS_PRIVATE@
 
 # This might hold -Werror
 CFLAGS += @CURL_CFLAG_EXTRAS@
diff --git a/lib/Makefile.am b/lib/Makefile.am
index b77d10bb..7ee50c80 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -32,7 +32,11 @@ EXTRA_DIST = config-mac.h config-os400.h config-plan9.h config-riscos.h \
  config-win32.h curl_config.h.in libcurl.rc libcurl.def                 \
  $(CMAKE_DIST) Makefile.soname optiontable.pl $(CHECKSRC_DIST)
 
+if GNUTLSBUILD
+lib_LTLIBRARIES = libcurl-gnutls.la
+else
 lib_LTLIBRARIES = libcurl.la
+endif
 
 if BUILD_UNITTESTS
 noinst_LTLIBRARIES = libcurlu.la
@@ -80,59 +84,115 @@ endif
 libcurl_unity.c: $(top_srcdir)/scripts/mk-unity.pl $(CSOURCES)
 	@PERL@ $(top_srcdir)/scripts/mk-unity.pl $(srcdir) $(CSOURCES) --exclude $(curl_EXCLUDE) > libcurl_unity.c
 
+if GNUTLSBUILD
+nodist_libcurl_gnutls_la_SOURCES = libcurl_unity.c
+libcurl_gnutls_la_SOURCES = $(curl_EXCLUDE)
+nodist_libcurlu_la_SOURCES = libcurl_unity.c
+libcurlu_la_SOURCES = $(curl_EXCLUDE)
+else
 nodist_libcurl_la_SOURCES = libcurl_unity.c
 libcurl_la_SOURCES = $(curl_EXCLUDE)
 nodist_libcurlu_la_SOURCES = libcurl_unity.c
 libcurlu_la_SOURCES = $(curl_EXCLUDE)
+endif
 CLEANFILES = libcurl_unity.c
 else
+if GNUTLSBUILD
+libcurl_gnutls_la_SOURCES = $(CSOURCES) $(HHEADERS)
+libcurlu_la_SOURCES = $(CSOURCES) $(HHEADERS)
+else
 libcurl_la_SOURCES = $(CSOURCES) $(HHEADERS)
 libcurlu_la_SOURCES = $(CSOURCES) $(HHEADERS)
 endif
+endif
 
+if GNUTLSBUILD
+libcurl_gnutls_la_CPPFLAGS_EXTRA =
+libcurl_gnutls_la_LDFLAGS_EXTRA =
+libcurl_gnutls_la_CFLAGS_EXTRA =
+else
 libcurl_la_CPPFLAGS_EXTRA =
 libcurl_la_LDFLAGS_EXTRA =
 libcurl_la_CFLAGS_EXTRA =
+endif
 
 if CURL_LT_SHLIB_USE_VERSION_INFO
+if GNUTLSBUILD
+libcurl_gnutls_la_LDFLAGS_EXTRA += $(VERSIONINFO)
+else
 libcurl_la_LDFLAGS_EXTRA += $(VERSIONINFO)
 endif
+endif
 
 if CURL_LT_SHLIB_USE_NO_UNDEFINED
+if GNUTLSBUILD
+libcurl_gnutls_la_LDFLAGS_EXTRA += -no-undefined
+else
 libcurl_la_LDFLAGS_EXTRA += -no-undefined
 endif
+endif
 
 if CURL_LT_SHLIB_USE_MIMPURE_TEXT
+if GNUTLSBUILD
+libcurl_gnutls_la_LDFLAGS_EXTRA += -mimpure-text
+else
 libcurl_la_LDFLAGS_EXTRA += -mimpure-text
 endif
+endif
 
 if CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS
+if GNUTLSBUILD
+libcurl_gnutls_la_LDFLAGS_EXTRA += -Wl,--version-script=libcurl.vers
+else
 libcurl_la_LDFLAGS_EXTRA += -Wl,--version-script=libcurl.vers
+endif
 else
 # if symbol-hiding is enabled, hide them!
 if DOING_CURL_SYMBOL_HIDING
+if GNUTLSBUILD
+libcurl_gnutls_la_LDFLAGS_EXTRA += -export-symbols-regex '^curl_.*'
+else
 libcurl_la_LDFLAGS_EXTRA += -export-symbols-regex '^curl_.*'
 endif
 endif
+endif
 
 if USE_CPPFLAG_CURL_STATICLIB
+if GNUTLSBUILD
+libcurl_gnutls_la_CPPFLAGS_EXTRA += -DCURL_STATICLIB
+else
 libcurl_la_CPPFLAGS_EXTRA += -DCURL_STATICLIB
+endif
 else
 if HAVE_WINDRES
+if GNUTLSBUILD
+libcurl_gnutls_la_SOURCES += $(LIB_RCFILES)
+else
 libcurl_la_SOURCES += $(LIB_RCFILES)
+endif
 $(LIB_RCFILES): $(top_srcdir)/include/curl/curlver.h
 endif
 endif
 
 if DOING_CURL_SYMBOL_HIDING
+if GNUTLSBUILD
+libcurl_gnutls_la_CPPFLAGS_EXTRA += -DCURL_HIDDEN_SYMBOLS
+libcurl_gnutls_la_CFLAGS_EXTRA += $(CFLAG_CURL_SYMBOL_HIDING)
+else
 libcurl_la_CPPFLAGS_EXTRA += -DCURL_HIDDEN_SYMBOLS
 libcurl_la_CFLAGS_EXTRA += $(CFLAG_CURL_SYMBOL_HIDING)
 endif
+endif
 
+if GNUTLSBUILD
+libcurl_gnutls_la_CPPFLAGS = $(AM_CPPFLAGS) $(libcurl_gnutls_la_CPPFLAGS_EXTRA)
+libcurl_gnutls_la_LDFLAGS = $(AM_LDFLAGS) $(libcurl_gnutls_la_LDFLAGS_EXTRA) $(CURL_LDFLAGS_LIB) $(LIBCURL_PC_LIBS_PRIVATE)
+libcurl_gnutls_la_CFLAGS = $(AM_CFLAGS) $(libcurl_gnutls_la_CFLAGS_EXTRA)
+else
 libcurl_la_CPPFLAGS = $(AM_CPPFLAGS) $(libcurl_la_CPPFLAGS_EXTRA)
 libcurl_la_LDFLAGS = $(AM_LDFLAGS) $(libcurl_la_LDFLAGS_EXTRA) $(CURL_LDFLAGS_LIB) $(LIBCURL_PC_LIBS_PRIVATE)
 libcurl_la_CFLAGS = $(AM_CFLAGS) $(libcurl_la_CFLAGS_EXTRA)
-
+endif
 libcurlu_la_CPPFLAGS = $(AM_CPPFLAGS) -DCURL_STATICLIB -DUNITTESTS
 libcurlu_la_LDFLAGS = $(AM_LDFLAGS) -static $(LIBCURL_PC_LIBS_PRIVATE)
 libcurlu_la_CFLAGS = $(AM_CFLAGS)
diff --git a/src/Makefile.am b/src/Makefile.am
index 0969d816..e0495a5d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -99,7 +99,7 @@ CFLAGS += @CURL_CFLAG_EXTRAS@
 # Prevent LIBS from being used for all link targets
 LIBS = $(BLANK_AT_MAKETIME)
 
-curl_LDADD = $(top_builddir)/lib/libcurl.la @LIBCURL_PC_LIBS_PRIVATE@
+curl_LDADD = $(top_builddir)/lib/$(LIBCURL_FILESTUB).la @LIBCURL_PC_LIBS_PRIVATE@
 
 # if unit tests are enabled, build a static library to link them with
 if BUILD_UNITTESTS
diff --git a/tests/http/clients/Makefile.am b/tests/http/clients/Makefile.am
index 935614c5..2bfcba6f 100644
--- a/tests/http/clients/Makefile.am
+++ b/tests/http/clients/Makefile.am
@@ -50,7 +50,7 @@ endif
 LIBS = $(BLANK_AT_MAKETIME)
 
 # Dependencies
-LDADD = $(LIBDIR)/libcurl.la @LIBCURL_PC_LIBS_PRIVATE@
+LDADD = $(LIBDIR)/$(LIBCURL_FILESTUB).la @LIBCURL_PC_LIBS_PRIVATE@
 
 # This might hold -Werror
 CFLAGS += @CURL_CFLAG_EXTRAS@
diff --git a/tests/libtest/Makefile.am b/tests/libtest/Makefile.am
index c1363d8d..c93b71f2 100644
--- a/tests/libtest/Makefile.am
+++ b/tests/libtest/Makefile.am
@@ -50,8 +50,8 @@ CLEANFILES = lib1521.c
 # Prevent LIBS from being used for all link targets
 LIBS = $(BLANK_AT_MAKETIME)
 
-SUPPORTFILES_LIBS = $(top_builddir)/lib/libcurl.la @LIBCURL_PC_LIBS_PRIVATE@
-TESTUTIL_LIBS = $(top_builddir)/lib/libcurl.la @LIBCURL_PC_LIBS_PRIVATE@
+SUPPORTFILES_LIBS = $(top_builddir)/lib/$(LIBCURL_FILESTUB).la @LIBCURL_PC_LIBS_PRIVATE@
+TESTUTIL_LIBS = $(top_builddir)/lib/$(LIBCURL_FILESTUB).la @LIBCURL_PC_LIBS_PRIVATE@
 
 # Dependencies (may need to be overridden)
 LDADD = $(SUPPORTFILES_LIBS)
-- 
2.30.2