include new patches for old ubuntu build to build 75.0

binary_tarball/scripts/3_Configure_Source_Code.sh

@@ -98,10 +98,6 @@ END
   patch -p1 -i ${CI_PROJECT_DIR}/arm.patch
   wget https://raw.githubusercontent.com/archlinuxarm/PKGBUILDs/master/extra/firefox/build-arm-libopus.patch -O ${CI_PROJECT_DIR}/build-arm-libopus.patch
   patch -p1 -i ${CI_PROJECT_DIR}/build-arm-libopus.patch
-  # might not even be needed for aarch64?
-  # trying without them
-  # patch -p1 -i ${CI_PROJECT_DIR}/deb_patches/fix-armhf-webrtc-build.patch
-  # patch -p1 -i ${CI_PROJECT_DIR}/deb_patches/webrtc-fix-compiler-flags-for-armhf.patch
 
 else
     cat >>${CI_PROJECT_DIR}/mozconfig <<END
@@ -123,6 +119,8 @@ fi
 # hopefully the magic sauce that makes things build on 16.04 and later on work "everywhere":
 patch -p1 -i "${CI_PROJECT_DIR}/deb_patches/drop-check-glibc-symbols.patch"
 patch -p1 -i "${CI_PROJECT_DIR}/deb_patches/build-with-libstdc++-7.patch"
+patch -p1 -i "${CI_PROJECT_DIR}/deb_patches/drop-libstdcxx-check.patch"
+patch -p1 -i "${CI_PROJECT_DIR}/deb_patches/add-missing-include-functional.patch"
 
 # Disabling Pocket
 printf "\nDisabling Pocket\n";

deb_patches/add-missing-include-functional.patch

@@ -0,0 +1,14 @@
+Description: add missing #include directive for the use of std::function
+Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1626972
+Author: Olivier Tilloy <olivier.tilloy@canonical.com>
+
+--- a/image/imgFrame.h
++++ b/image/imgFrame.h
+@@ -7,6 +7,7 @@
+ #ifndef mozilla_image_imgFrame_h
+ #define mozilla_image_imgFrame_h
+ 
++#include <functional>
+ #include <utility>
+ 
+ #include "AnimationParams.h"

deb_patches/drop-libstdcxx-check.patch

@@ -0,0 +1,75 @@
+diff -r 55f4a0a504e4 build/moz.configure/toolchain.configure
+--- a/build/moz.configure/toolchain.configure	Wed Mar 18 05:41:31 2020 +0000
++++ b/build/moz.configure/toolchain.configure	Wed Mar 18 07:15:55 2020 +0100
+@@ -886,10 +886,6 @@
+     return []
+ 
+ 
+-def minimum_gcc_version():
+-    return Version('7.1.0')
+-
+-
+ @template
+ def compiler(language, host_or_target, c_compiler=None, other_compiler=None,
+              other_c_compiler=None):
+@@ -1016,11 +1012,10 @@
+             if host_or_target.os == 'Android':
+                 raise FatalCheckError('GCC is not supported on Android.\n'
+                                       'Please use clang from the Android NDK instead.')
+-            gcc_version = minimum_gcc_version()
+-            if info.version < gcc_version:
++            if info.version < '7.1.0':
+                 raise FatalCheckError(
+-                    'Only GCC %d.%d or newer is supported (found version %s).'
+-                    % (gcc_version.major, gcc_version.minor, info.version))
++                    'Only GCC 7.1 or newer is supported (found version %s).'
++                    % info.version)
+ 
+         if info.type == 'clang-cl':
+             if info.version < '8.0.0':
+@@ -1218,45 +1213,6 @@
+                         'about the target bitness.')
+ 
+ 
+-@depends(cxx_compiler, target)
+-def needs_libstdcxx_newness_check(cxx_compiler, target):
+-    # We only have to care about this on Linux and MinGW.
+-    if cxx_compiler.type == 'clang-cl':
+-        return
+-
+-    if target.kernel not in ('Linux', 'WINNT'):
+-        return
+-
+-    if target.os == 'Android':
+-        return
+-
+-    return True
+-
+-
+-def die_on_old_libstdcxx():
+-    die('The libstdc++ in use is not new enough.  Please run '
+-        './mach bootstrap to update your compiler, or update your system '
+-        'libstdc++ installation.')
+-
+-try_compile(includes=['cstddef'],
+-            body='\n'.join([
+-                # _GLIBCXX_RELEASE showed up in libstdc++ 7.
+-                '#if defined(__GLIBCXX__) && !defined(_GLIBCXX_RELEASE)',
+-                '#  error libstdc++ not new enough',
+-                '#endif',
+-                '#if defined(_GLIBCXX_RELEASE)',
+-                '#  if _GLIBCXX_RELEASE < %d' % minimum_gcc_version().major,
+-                '#    error libstdc++ not new enough',
+-                '#  else',
+-                '     (void) 0',
+-                '#  endif',
+-                '#endif',
+-            ]),
+-            check_msg='for new enough STL headers from libstdc++',
+-            when=needs_libstdcxx_newness_check,
+-            onerror=die_on_old_libstdcxx)
+-
+-
+ @depends(c_compiler, target)
+ def default_debug_flags(compiler_info, target):
+     # Debug info is ON by default.