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# Anticonf (tm) script by Jeroen Ooms, Jim Hester (2022)
# This script will query 'pkg-config' for the required cflags and ldflags.
# If pkg-config is unavailable or does not find the library, try setting
# INCLUDE_DIR and LIB_DIR manually via e.g:
# R CMD INSTALL --configure-vars='INCLUDE_DIR=/.../include LIB_DIR=/.../lib'
# Library settings
PKG_CONFIG_NAME="freetype2 libpng libtiff-4 libjpeg"
PKG_DEB_NAME="libfreetype6-dev libpng-dev libtiff5-dev libjpeg-dev"
PKG_RPM_NAME="freetype-devel libpng-devel libtiff-devel libjpeg-devel"
PKG_CSW_NAME="libfreetype_dev libpng16_dev libtiff_dev libjpeg_dev"
PKG_BREW_NAME="freetype libpng libtiff zlib libjpeg-turbo"
PKG_TEST_HEADER="#include <ft2build.h>\n#include <png.h>\n#include <tiffio.h>\n#include <jpeglib.h>\n"
PKG_LIBS="-lfreetype -lpng16 -ltiff -lz -ljpeg -lbz2"
PKG_CFLAGS=""
# Find compiler
CC=`${R_HOME}/bin/R CMD config CC`
CFLAGS=`${R_HOME}/bin/R CMD config CFLAGS`
CPPFLAGS=`${R_HOME}/bin/R CMD config CPPFLAGS`
# Use pkg-config if available
if [ `command -v pkg-config` ]; then
if [ `uname` = "Darwin" ]; then
PKG_CONFIG_NAME="--static $PKG_CONFIG_NAME"
fi
PKGCONFIG_CFLAGS=`pkg-config --cflags ${PKG_CONFIG_NAME}`
PKGCONFIG_LIBS=`pkg-config --libs ${PKG_CONFIG_NAME}`
fi
# Note that cflags may be empty in case of success
if [ "$INCLUDE_DIR" ] || [ "$LIB_DIR" ]; then
echo "Found INCLUDE_DIR and/or LIB_DIR!"
PKG_CFLAGS="-I$INCLUDE_DIR $PKG_CFLAGS"
PKG_LIBS="-L$LIB_DIR $PKG_LIBS"
elif [ "$PKGCONFIG_LIBS" ]; then
echo "Found pkg-config cflags and libs!"
PKG_CFLAGS=${PKGCONFIG_CFLAGS}
PKG_LIBS="${PKGCONFIG_LIBS}"
elif [ `uname` = "Darwin" ]; then
test ! "$CI" && brew --version 2>/dev/null
if [ $? -eq 0 ]; then
BREWDIR=`brew --prefix`
PKG_CFLAGS="-I$BREWDIR/include -I$BREWDIR/include/freetype2"
PKG_LIBS="-L$BREWDIR/lib ${PKG_LIBS}"
else
curl -sfL "https://autobrew.github.io/scripts/ragg" > autobrew
. ./autobrew
fi
fi
# For debugging
echo "Using PKG_CFLAGS=$PKG_CFLAGS"
echo "Using PKG_LIBS=$PKG_LIBS"
# Test configuration
printf "$PKG_TEST_HEADER" | ${CC} ${CPPFLAGS} ${PKG_CFLAGS} ${CFLAGS} -E -xc - >/dev/null 2>configure.log
# Customize the error
if [ $? -ne 0 ]; then
echo "-----------------------------[ ANTICONF ]-------------------------------"
echo "Configuration failed to find one of $PKG_CONFIG_NAME. Try installing:"
echo " * deb: $PKG_DEB_NAME (Debian, Ubuntu, etc)"
echo " * rpm: $PKG_RPM_NAME (Fedora, CentOS, RHEL)"
echo " * csw: $PKG_CSW_NAME (Solaris)"
echo "If $PKG_CONFIG_NAME is already installed, check that 'pkg-config' is in your"
echo "PATH and PKG_CONFIG_PATH contains a $PKG_CONFIG_NAME.pc file. If pkg-config"
echo "is unavailable you can set INCLUDE_DIR and LIB_DIR manually via:"
echo "R CMD INSTALL --configure-vars='INCLUDE_DIR=... LIB_DIR=...'"
echo "-------------------------- [ERROR MESSAGE] ---------------------------"
cat configure.log
echo "--------------------------------------------------------------------"
exit 1
fi
# Write to Makevars
sed -e "s|@cflags@|$PKG_CFLAGS|" -e "s|@libs@|$PKG_LIBS|" src/Makevars.in > src/Makevars
# Success
exit 0
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