File: configure

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r-cran-textshaping 0.2.1-1
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#! /bin/sh
# Anticonf (tm) script by Jeroen Ooms and Thomas Lin Pedersen(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
PKG_CONFIG_NAME="harfbuzz freetype2 fribidi"
PKG_DEB_NAME="libharfbuzz-dev libfribidi-dev"
PKG_RPM_NAME="harfbuzz-devel fribidi-devel"
PKG_CSW_NAME="libharfbuzz_dev libfribidi_dev"
PKG_BREW_NAME="harfbuzz fribidi"
PKG_TEST_HEADER="#include <hb-ft.h>"
PKG_LIBS="-lfreetype -lharfbuzz -lfribidi"

# 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
  brew --version 2>/dev/null
  if [ $? -eq 0 ]; then
    BREWDIR="`brew --prefix`"
    PKG_CFLAGS="-I$BREWDIR/include/freetype2 -I$BREWDIR/include/harfbuzz -I$BREWDIR/include/glib-2.0  -I$BREWDIR/include/fribidi"
  else
    curl -sfL "https://autobrew.github.io/scripts/harfbuzz" > 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 "$PKG_TEST_HEADER" | ${CC} ${CPPFLAGS} ${PKG_CFLAGS} ${CFLAGS} -E -xc - >/dev/null 2>configure.log

# Customize the error
if [ $? -ne 0 ]; then
  if [ "`uname`" = "SunOS" ]; then
    PKG_CFLAGS="$PKG_CFLAGS -DNO_HARFBUZZ_FRIBIDI"
    PKG_LIBS=""
  else
    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
fi

# Write to Makevars
sed -e "s|@cflags@|$PKG_CFLAGS|" -e "s|@libs@|$PKG_LIBS|" src/Makevars.in > src/Makevars

# Success
exit 0