/
configure
executable file
·82 lines (67 loc) · 1.7 KB
/
configure
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#!/bin/bash
# this is a basic configuration script for peg++
# it checks some properties of the system and turns build.ninja.in into
# build.ninja by replacing variables of the form @ID@
# important environment variables:
# CXX: the c++ compiler, defaults to g++
# CXXFLAGS: extra compiler flags
# LDFLAGS: extra linker flags
# command line options:
# --prefix=DIR: the installation prefix, defaults to /usr/local
# outputs:
# @CXXFLAGS@: just copies $CXXFLAGS
# @LDFLAGS@: just copies $LDFLAGS
# @PREFIX@: copies the installation prefix
# @CXX@: the c++ compiler
configure() {
sed -e 's&@CXXFLAGS@&'"$CXXFLAGS"'&g' \
-e 's&@CXX@&'$CXX'&g' \
-e 's&@PREFIX@&'$prefix'&g' \
-e 's&@LDFLAGS@&'"$LDFLAGS"'&g' \
< $1/build.ninja.in > $1/build.ninja
}
do_subdirs() {
for d in $@; do
configure $d
done
}
prefix=/usr/local
CXX=${CXX:-g++}
echo $#
echo -n $0 > reconfigure
for i in "$@"; do
echo -n ' '\"$i\" >> reconfigure
done
chmod 755 reconfigure
prev=
for option
do
if test -n "$prev"; then
eval $prev=\$option
prev=
continue
fi
case $option in
--prefix=*)
prefix=`echo $option | sed 's/[-a-z]*=//'` ;;
--prefix)
prev=prefix ;;
CXX=*)
CXX=`echo $option | sed 's/CXX=//'` ;;
LDFLAGS=*)
LDFLAGS=`echo $option | sed 's/LDFLAGS=//'` ;;
CXXFLAGS=*)
CXXFLAGS=`echo $option | sed 's/CXXFLAGS=//'` ;;
esac
done
echo $prefix
echo $CXX
for var in CXXFLAGS \
CXX \
prefix \
LDFLAGS; do
eval echo $var=\$$var
eval $var=$(eval echo -e \"\$$var\" | sed 's/\([&\$\" ]\)/\\\\\\\1/g')
eval echo $var=\$$var
done
do_subdirs .