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# Anticonf (tm) script by Jeroen Ooms (2020)
# 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
SYS="UNIX"
PKG_CONFIG_NAME="fontconfig freetype2"
PKG_DEB_NAME="libfontconfig1-dev"
PKG_RPM_NAME="fontconfig-devel"
PKG_CSW_NAME="fontconfig_dev"
PKG_BREW_NAME="freetype"
PKG_TEST_HEADER="<fontconfig/fontconfig.h>"
PKG_LIBS="-lfontconfig -lfreetype"
PKG_OBJCXXFLAGS=""
# Alternative config on MacOS for native APIs
if [ `uname` = "Darwin" ]; then
SYS="DARWIN"
PKG_CONFIG_NAME="--static freetype2"
PKG_TEST_HEADER="<ft2build.h>"
PKG_LIBS="-lfreetype"
PKG_OBJCXXFLAGS="-fobjc-arc"
RBIN="${R_HOME}/bin${R_ARCH_BIN}/R"
OBJC=`"$RBIN" CMD config OBJC`
if [ -z "$OBJC" ]; then
echo "--------------------------- [SYSTEMFONTS] -----------------------------"
echo "Configuration failed to find an Objective-C compiler."
echo " systemfonts require the use of Objective-C code on macOS to access"
echo " the system-native font matching API."
echo " Please ensure that your build system is setup with an Objective-C"
echo " compiler to install systemfonts on macOS"
echo "-----------------------------------------------------------------------"
exit 1
fi
fi
# Use pkg-config if available
if [ "`command -v pkg-config`" ]; then
PKGCONFIG_CFLAGS=`pkg-config --cflags --silence-errors ${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_CFLAGS" ] || [ "$PKGCONFIG_LIBS" ]; then
echo "Found pkg-config cflags and libs!"
PKG_CFLAGS=${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$BREWDIR/include/freetype2"
else
curl -sfL "https://autobrew.github.io/scripts/freetype" > autobrew
. ./autobrew
fi
fi
# For debugging
echo "Using PKG_CFLAGS=$PKG_CFLAGS"
echo "Using PKG_LIBS=$PKG_LIBS"
# Find compiler
CC=`${R_HOME}/bin/R CMD config CC`
CFLAGS=`${R_HOME}/bin/R CMD config CFLAGS`
CPPFLAGS=`${R_HOME}/bin/R CMD config CPPFLAGS`
# Test configuration
echo "#include $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 the $PKG_CONFIG_NAME library. Try installing:"
echo " * deb: $PKG_DEB_NAME (Debian, Ubuntu, etc)"
echo " * rpm: $PKG_RPM_NAME (Fedora, EPEL)"
echo " * csw: $PKG_CSW_NAME (Solaris)"
echo " * brew: $PKG_BREW_NAME (OSX)"
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@|$PKG_LIBS|" -e "s|@SYS@|$SYS|g" -e "s|@objcflags@|$PKG_OBJCXXFLAGS|" src/Makevars.in > src/Makevars
# Success
exit 0
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