Merge branch 'boost_upgrade'

.github/workflows/linux-clang.yml

@@ -14,8 +14,8 @@ env:
   CACHE_REV:        0
   CONCURRENT_BUILD: 4
   DOXYGEN_VER:      1.8.20
-  BOOST_VER:        1_74_0
-  BOOST_VER_DOT:    1.74.0
+  BOOST_VER:        1_75_0
+  BOOST_VER_DOT:    1.75.0
 
 jobs:
   build:

.github/workflows/linux-gcc.yml

@@ -13,8 +13,8 @@ on:
 env:
   CACHE_REV:        0
   CONCURRENT_BUILD: 4
-  BOOST_VER:        1_74_0
-  BOOST_VER_DOT:    1.74.0
+  BOOST_VER:        1_75_0
+  BOOST_VER_DOT:    1.75.0
 
 jobs:
   build:

.github/workflows/windows-visualcpp.yml

@@ -14,8 +14,8 @@ env:
   CACHE_REV:        0
   TETENGO_VER:      1.3.0
   CONCURRENT_BUILD: 4
-  BOOST_VER:        1_74_0
-  BOOST_VER_DOT:    1.74.0
+  BOOST_VER:        1_75_0
+  BOOST_VER_DOT:    1.75.0
 
 jobs:
   build:

README.md

@@ -55,7 +55,7 @@ How to Build and Install
 #### Requirements
 
 - [Visual Studio 2019](https://visualstudio.microsoft.com/)
-- [Boost C++ libraries 1.74.0](https://www.boost.org/)
+- [Boost C++ libraries 1.75.0](https://www.boost.org/)
 - [Doxygen 1.8.20](https://www.doxygen.nl/)
 - [Graphviz](https://www.graphviz.org/)
 - [Python 3](https://www.python.org/)
@@ -115,7 +115,7 @@ Doxygen will output the documents into the directory `doc`.
   [Clang 9.0.0](https://clang.llvm.org/),
   [GCC 8.3.0](https://gcc.gnu.org/) or
   [GCC 9.2.1](https://gcc.gnu.org/)
-- [Boost C++ libraries 1.74.0](https://www.boost.org/)
+- [Boost C++ libraries 1.75.0](https://www.boost.org/)
 - [Doxygen 1.8.20](https://www.doxygen.nl/)
 - [Graphviz](https://www.graphviz.org/)
 - [include-what-you-use 0.11](https://include-what-you-use.org/) or

configure.ac

@@ -142,7 +142,7 @@ AC_SUBST([CFLAGS], "${CFLAGS} ${PTHREAD_CFLAGS}")
 AC_SUBST([CXXFLAGS], "${CXXFLAGS} ${PTHREAD_CFLAGS}")
 AC_SUBST([CC], "${PTHREAD_CC}")
 
-AX_BOOST_BASE([1.74.0])
+AX_BOOST_BASE([1.75.0])
 AX_BOOST_UNIT_TEST_FRAMEWORK
 AC_SUBST([LDFLAGS], "${LDFLAGS} ${BOOST_LDFLAGS}")
 AC_SUBST([LIBS], "-lstdc++fs -lstdc++ ${LIBS}")