diff --git a/fragments/compiler/x86_64-centos7-clang11.1.0.cmake b/fragments/compiler/x86_64-centos7-clang11.1.0.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..bd930da8f9ff2c143c6512bd9371fbfa55b2c4a6
--- /dev/null
+++ b/fragments/compiler/x86_64-centos7-clang11.1.0.cmake
@@ -0,0 +1,16 @@
+###############################################################################
+# (c) Copyright 2019 CERN for the benefit of the LHCb Collaboration           #
+#                                                                             #
+# This software is distributed under the terms of the GNU General Public      #
+# Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   #
+#                                                                             #
+# In applying this licence, CERN does not waive the privileges and immunities #
+# granted to it by virtue of its status as an Intergovernmental Organization  #
+# or submit itself to any jurisdiction.                                       #
+###############################################################################
+set(LCG_COMPILER_VERSION 11.1.0-b24ba)
+set(LCG_BINUTILS_VERSION 2.36.1-a9696)
+set(LCG_CLANG_GCC_TOOLCHAIN 10.3.0)
+
+include(${CMAKE_CURRENT_LIST_DIR}/binutils.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/clang.cmake)
diff --git a/fragments/compiler/x86_64-centos7-clang12.0.0.cmake b/fragments/compiler/x86_64-centos7-clang12.0.0.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..a2e06c9ec03bb10f84657cb3e3004a588385ed42
--- /dev/null
+++ b/fragments/compiler/x86_64-centos7-clang12.0.0.cmake
@@ -0,0 +1,16 @@
+###############################################################################
+# (c) Copyright 2019 CERN for the benefit of the LHCb Collaboration           #
+#                                                                             #
+# This software is distributed under the terms of the GNU General Public      #
+# Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   #
+#                                                                             #
+# In applying this licence, CERN does not waive the privileges and immunities #
+# granted to it by virtue of its status as an Intergovernmental Organization  #
+# or submit itself to any jurisdiction.                                       #
+###############################################################################
+set(LCG_COMPILER_VERSION 12.0.0-8916b)
+set(LCG_BINUTILS_VERSION 2.36.1-a9696)
+set(LCG_CLANG_GCC_TOOLCHAIN 10.3.0)
+
+include(${CMAKE_CURRENT_LIST_DIR}/binutils.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/clang.cmake)
diff --git a/fragments/compiler/x86_64-centos7-gcc10.3.0.cmake b/fragments/compiler/x86_64-centos7-gcc10.3.0.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..67094af5e813144b34a02a8dac13ac509b86c245
--- /dev/null
+++ b/fragments/compiler/x86_64-centos7-gcc10.3.0.cmake
@@ -0,0 +1,15 @@
+###############################################################################
+# (c) Copyright 2019 CERN for the benefit of the LHCb Collaboration           #
+#                                                                             #
+# This software is distributed under the terms of the GNU General Public      #
+# Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   #
+#                                                                             #
+# In applying this licence, CERN does not waive the privileges and immunities #
+# granted to it by virtue of its status as an Intergovernmental Organization  #
+# or submit itself to any jurisdiction.                                       #
+###############################################################################
+set(LCG_COMPILER_VERSION 10.3.0-f5826)
+set(LCG_BINUTILS_VERSION 2.36.1-a9696)
+
+include(${CMAKE_CURRENT_LIST_DIR}/binutils.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/gcc.cmake)
diff --git a/fragments/compiler/x86_64-centos7-gcc10.3.0.fp.cmake b/fragments/compiler/x86_64-centos7-gcc10.3.0.fp.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..389a1998954f3078187aa31b31cace85815b880e
--- /dev/null
+++ b/fragments/compiler/x86_64-centos7-gcc10.3.0.fp.cmake
@@ -0,0 +1,15 @@
+###############################################################################
+# (c) Copyright 2019 CERN for the benefit of the LHCb Collaboration           #
+#                                                                             #
+# This software is distributed under the terms of the GNU General Public      #
+# Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   #
+#                                                                             #
+# In applying this licence, CERN does not waive the privileges and immunities #
+# granted to it by virtue of its status as an Intergovernmental Organization  #
+# or submit itself to any jurisdiction.                                       #
+###############################################################################
+set(LCG_COMPILER_VERSION 10.3.0.fp-95d4b)
+set(LCG_BINUTILS_VERSION 2.36.1-a9696)
+
+include(${CMAKE_CURRENT_LIST_DIR}/binutils.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/gcc.cmake)
diff --git a/fragments/compiler/x86_64-centos7-gcc11.1.0.cmake b/fragments/compiler/x86_64-centos7-gcc11.1.0.cmake
new file mode 100644
index 0000000000000000000000000000000000000000..568ef0f430dc44b7e7f7af5d054683074950978f
--- /dev/null
+++ b/fragments/compiler/x86_64-centos7-gcc11.1.0.cmake
@@ -0,0 +1,15 @@
+###############################################################################
+# (c) Copyright 2019 CERN for the benefit of the LHCb Collaboration           #
+#                                                                             #
+# This software is distributed under the terms of the GNU General Public      #
+# Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   #
+#                                                                             #
+# In applying this licence, CERN does not waive the privileges and immunities #
+# granted to it by virtue of its status as an Intergovernmental Organization  #
+# or submit itself to any jurisdiction.                                       #
+###############################################################################
+set(LCG_COMPILER_VERSION 11.1.0-e80bf)
+set(LCG_BINUTILS_VERSION 2.36.1-a9696)
+
+include(${CMAKE_CURRENT_LIST_DIR}/binutils.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/gcc.cmake)