[civetweb] download from GIT instead of bundle and define proper CMake target, and bump from 1.16+ to latest master

and define proper CMake target

[ci] explicit enable in alma10clang-ninja even if it was getting on implicitly

fixes for SSL

disable SSL dynamic loading

fix openssl include

fix builtin ssl name

rename builtin name
and copy-paste additional variables from xrootd to civetweb

avoid cache vars

[net] document civetweb builtin mechanism and version link

[civetweb] add patches after 1.16 that solve several CVE

detect if websockets component is part of systemwide civetweb

[cmake] do not error out if build dir is git dir

from willcern

Create civetweb-marker.diff

xdom socket missing in ubu packages

see root-project/root-ci-images#116 (comment)

enable builtin civetweb on mac and windows since no system version

Author: ferdymercury

.github/workflows/root-ci-config/buildconfig/alma10-benchmark.txt

@@ -1,4 +1,5 @@
 CMAKE_CXX_STANDARD=20
+builtin_civetweb=ON
 builtin_vdt=ON
 pythia8=ON
 rootbench=ON

.github/workflows/root-ci-config/buildconfig/alma10-clang_ninja.txt

@@ -1,6 +1,7 @@
 CMAKE_C_COMPILER=clang
 CMAKE_CXX_COMPILER=clang++
 CMAKE_GENERATOR=Ninja
+builtin_civetweb=ON
 builtin_fftw3=ON
 builtin_freetype=ON
 builtin_ftgl=ON

.github/workflows/root-ci-config/buildconfig/alma10-minimal-asan.txt

@@ -2,6 +2,7 @@ CMAKE_BUILD_TYPE=Debug
 CMAKE_CXX_FLAGS_DEBUG="-Og -g"
 asan=ON
 ccache=ON
+builtin_civetweb=ON
 builtin_vdt=ON
 fail-on-missing=ON
 minimal=ON

.github/workflows/root-ci-config/buildconfig/alma10-minimal.txt

@@ -1,4 +1,5 @@
 ccache=ON
+builtin_civetweb=ON
 builtin_vdt=ON
 fail-on-missing=ON
 minimal=ON

.github/workflows/root-ci-config/buildconfig/alma10.txt

@@ -1,2 +1,3 @@
+builtin_civetweb=ON
 builtin_vdt=ON
 pythia8=ON

.github/workflows/root-ci-config/buildconfig/alma8.txt

@@ -1,3 +1,4 @@
+builtin_civetweb=ON
 builtin_gtest=ON
 builtin_nlohmannjson=ON
 builtin_tbb=ON

.github/workflows/root-ci-config/buildconfig/alma9-modules_off.txt

@@ -1,3 +1,4 @@
+builtin_civetweb=ON
 builtin_vdt=ON
 pythia8=ON
 runtime_cxxmodules=OFF

.github/workflows/root-ci-config/buildconfig/alma9.txt

@@ -1,3 +1,4 @@
+builtin_civetweb=ON
 builtin_vdt=ON
 davix=OFF
 pythia8=ON

.github/workflows/root-ci-config/buildconfig/debian13.txt

@@ -1 +1,2 @@
 CMAKE_CXX_STANDARD=23
+builtin_civetweb=ON

.github/workflows/root-ci-config/buildconfig/fedora43.txt

@@ -1,4 +1,5 @@
 CMAKE_CXX_STANDARD=23
+builtin_civetweb=ON
 experimental_adaptivecpp=ON
 pythia8=ON
 roofit_multiprocess=ON