Merge commit '5292e97c42b05db7ad4e51c1ea756b12fdf721ff'

* commit '5292e97c42b05db7ad4e51c1ea756b12fdf721ff':
  configure: Document available options for the --toolchain parameter

Merged-by: James Almer <jamrial@gmail.com>

diff --cc configure
index fc65f1024fac4be1ce26cb26aecc8175c295b435,d8c3b555cc4ed058ef5cef0b9000574bdade71f1..d233d1ed9ebbe04d7089138572d179360890f44b
--- 1/configure
--- 2/configure
+++ b/configure
@@@ -340,25 -259,21 +340,29 @@@ Toolchain options
    --target-exec=CMD        command to run executables on target
    --target-path=DIR        path to view of build directory on target
    --target-samples=DIR     path to samples directory on target
 +  --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
    --toolchain=NAME         set tool defaults according to NAME
 -  --nm=NM                  use nm tool
+                            (gcc-asan, clang-asan, gcc-msan, clang-msan,
+                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,
+                            valgrind-massif, valgrind-memcheck,
+                            msvc, icl, gcov, llvm-cov, hardened)
 +  --nm=NM                  use nm tool NM [$nm_default]
    --ar=AR                  use archive tool AR [$ar_default]
    --as=AS                  use assembler AS [$as_default]
 +  --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
 +  --strip=STRIP            use strip tool STRIP [$strip_default]
 +  --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
 +  --x86asmexe=EXE          use nasm-compatible assembler EXE [$x86asmexe_default]
    --cc=CC                  use C compiler CC [$cc_default]
 +  --cxx=CXX                use C compiler CXX [$cxx_default]
    --objcc=OCC              use ObjC compiler OCC [$cc_default]
    --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
 -  --ld=LD                  use linker LD
 -  --x86asmexe=X86ASM       use x86 assembler X86ASM
 +  --nvcc=NVCC              use Nvidia CUDA compiler NVCC [$nvcc_default]
 +  --ld=LD                  use linker LD [$ld_default]
    --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
    --pkg-config-flags=FLAGS pass additional flags to pkgconf []
 +  --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
 +  --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
    --host-cc=HOSTCC         use host C compiler HOSTCC
    --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
    --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host