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#!/bin/bash
#
# SPDX-FileCopyrightText: 2024 Duncan Greatwood
#
# SPDX-License-Identifier: Apache-2.0
#
# This script configures gcc on macOS. You should call it in each
# terminal from which you'll build Pistache with gcc.
# - Installs gcc if not yet installed
# - Configures the CXX and CC environment variables
# - Replaces brew googletest if needed and on user confirmation
#
# Use "source ..." to invoke the script, like:
# source bldscripts/gccmacsetup.sh
#
# Add the "-y' option to proceed to replace brew googletest if needed
# without prompting for confirmation, like this:
# source bldscripts/gccmacsetup.sh -y
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
echo "Error: script was invoked directly, please invoke with source."
echo "Like this:"
echo " source $(printf %q "$BASH_SOURCE")$((($#)) && printf ' %q' "$@")"
exit 1
fi
if [ "$(uname)" != "Darwin" ]; then
echo "Error: This script is for use solely on macOS"
return 1
fi
if ! type "brew" > /dev/null; then
echo "Error: brew command not found. Please install Homebrew."
return 1
fi
gcc_installed_here="N"
if ! brew list gcc &>/dev/null; then
echo "Installing gcc with brew"
brew install gcc
gcc_installed_here="Y"
fi
if ! [ "x$CXX" = "x" ] && [ ${#CXX} -ge 6 ]; then
if [ ${CXX:0:4} = g++- ] || [ ${CXX:0:4} = gcc- ]; then
if [ "x$gcc_installed_here" = "xY" ]; then
echo "Success: gcc installed and configured"
else
echo "Success: gcc already configured, exiting"
fi
return 0
fi
fi
gcc_lns=`brew list gcc | grep "bin/g++-[0-9][0-9]" | sort -r`
gcc_fstln=`echo "$gcc_lns" | head -1`
export CXX=`basename $gcc_fstln`
if [ "x$CXX" = "x" ] || [ ${#CXX} -lt 6 ] || ! [ ${CXX:0:4} = g++- ]; then
echo "Error: CXX (which has value: $CXX) not configured"
return 1
fi
gcc_lns=`brew list gcc | grep "bin/gcc-[0-9][0-9]" | sort -r`
gcc_fstln=`echo "$gcc_lns" | head -1`
export CC=`basename $gcc_fstln`
if [ "x$CC" = "x" ] || [ ${#CC} -lt 6 ] || ! [ ${CC:0:4} = gcc- ]; then
echo "Error: CC (which has value: $CC) not configured"
return 1
fi
echo "Success: CXX is $CXX; CC is $CC"
if brew list googletest &>/dev/null; then
echo ""
echo "You have brew's googletest installed"
echo "Brew's googletest may not be compatible with building with gcc"
replace_gt="N"
if [ $# -ge 1 ] && [ $1 = "-y" ]; then
replace_gt="Y"
else
read -e -p \
'Replace googletest with gcc-compatible version (uses sudo)? [y/N]> '
if [[ "$REPLY" == [Yy]* ]]; then
replace_gt="Y"
fi
fi
if [ "x$replace_gt" = "xY" ]; then
echo "Replacing googletest"
brew remove googletest
git clone https://github.com/google/googletest
cd googletest
mkdir build
cd build
cmake ..
make
echo ""
echo "Installing gcc-compatible googletest using \"sudo make install\""
sudo make install
cd "../.."
else
echo "You may see undefined symbols if linking Pistache's tests"
fi
fi
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