fu c++ flags

.github/workflows/continuous.yml

@@ -20,7 +20,8 @@ jobs:
     runs-on: ubuntu-20.04
 
     env:
-      CXXFLAGS: -std=c++11 -fPIC
+      CXXFLAGS: -std=gnu++11
+      CPPFLAGS: -fPIC
 
     steps:
     - name: Update APT

.github/workflows/release.yml

@@ -18,7 +18,8 @@ jobs:
     runs-on: ubuntu-20.04
 
     env:
-      CXXFLAGS: -std=c++11 -fPIC
+      CXXFLAGS: -std=gnu++11
+      CPPFLAGS: -fPIC
 
     steps:
     - name: Update APT

Dockerfile

@@ -15,6 +15,6 @@ RUN apt-get update && apt-get install -y apt-utils ca-certificates locales \
 RUN pip3 install --upgrade pip
 RUN pip3 install --upgrade cmake
 
-ENV CPPFLAGS "-Wall -std=c++11 -fPIC"
+ENV CPPFLAGS "-Wall -std=gnu++11 -fPIC"
 WORKDIR /opt/workspace
 COPY scripts /opt/scripts

scripts/build_all.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-export CXXFLAGS=" -std=c++11 -fPIC"
+export CXXFLAGS=" -std=gnu++11 -fPIC"
 
 cd zlib && bash build.sh && cd ..
 cd icu && bash build.sh && cd ..

scripts/build_boost.sh

@@ -17,9 +17,9 @@ function build_and_install()
     ./bootstrap.sh --with-python-version=3.5 --with-python=$(which python3) --with-icu=${ICU_ROOT} --prefix="${INSTALL_DIR}"
   fi
 
-  echo "Building Boost with C++ flags: ${CPPFLAGS}"
-  if [ -n "${CPPFLAGS}" ]; then
-    ./b2 -a cxxflags="${CPPFLAGS}"
+  echo "Building Boost with C++ flags: ${CXXFLAGS}"
+  if [ -n "${CXXFLAGS}" ]; then
+    ./b2 -a cxxflags="${CXXFLAGS}"
   else
     ./b2 -a
   fi

scripts/build_openssl.sh

@@ -14,7 +14,7 @@ function build_and_install()
     ./config --prefix=${INSTALL_DIR} --openssldir=${INSTALL_DIR}
   fi
 
-  echo "Building OpenSSL with C++ flags: ${CPPFLAGS}"
+  echo "Building OpenSSL with C++ flags: ${CPPFLAGS} ${CXXFLAGS}"
   make -j4
   sudo make install_sw
 }