update clang

Author: Hana Dusíková

.travis.yml

@@ -16,11 +16,11 @@ matrix:
   - os: linux
     compiler: clang
     env:
-      - COMPILER=clang++-6.0
+      - COMPILER=clang++-7.0
     addons:
       apt:
-        sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-6.0']
-        packages: ['g++-8', 'clang-6.0']
+        sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-trusty-7']
+        packages: ['g++-8', 'clang-7']
 
   - os: linux
     language: python
@@ -36,9 +36,6 @@ matrix:
     script:
       - python .conan/build.py
 
-  - os: osx
-    osx_image: xcode10
-
 before_install:
   - |
      if [[ (-x $(which brew)) ]]; then

README.md

@@ -43,8 +43,8 @@ More documentation on [pcre.org](https://www.pcre.org/current/doc/html/pcre2synt
 
 ## Supported compilers
 
-* clang 5.0+ (template UDL, C++17 syntax)
-* gcc 7.2+ (template UDL, C++17 syntax)
+* clang 7.0+ (template UDL, C++17 syntax)
+* gcc 7.4+ (template UDL, C++17 syntax)
 * gcc 9.0+ (C++17 & C++20 cNTTP syntax)
 * MSVC 15.8.8+ (C++17 syntax only)