Add basic configuration script

* Generate Moog.f with correct data path
* Generate Makefile with properties set by configure script

1 files changed, 79 insertions, 0 deletions

diff --git a/configure b/configure
new file mode 100755
index 0000000..eaa9884
--- /dev/null
+++ b/configure
@@ -0,0 +1,79 @@
+#!/bin/bash
+with_x11="/usr/X11/lib"
+with_sm="/usr/local/sm"
+fflags=(-Wall -Wextra -ff2c -fdefault-double-8 -fdefault-real-8)
+
+gcc_version=$(gcc --version | head -n 1 | awk -F' ' '{ print $3 }')
+gcc_major="${gcc_version%%\.*}"
+
+if (( $gcc_major >= 10 )); then
+    fflags+=(--allow-argument-mismatch)
+fi
+
+argv=()
+for x in $@; do
+    if [[ "$x" =~ .*=.* ]]; then
+        key="${x%=*}"
+        value="${x#*=}"
+        argv+=($key)
+        argv+=($value)
+    else
+        argv+=(x)
+    fi
+done
+
+
+i=0
+nargs=${#argv[@]}
+while [[ $i < $nargs ]]; do
+    key="${argv[$i]}"
+    value="${argv[$i+1]}"
+    case "$key" in
+        --prefix)
+            prefix="$value"
+            (( i++ ))
+            ;;
+        --bindir)
+            bindir="$value"
+            (( i++ ))
+            ;;
+        --datadir)
+            datadir="$value"
+            (( i++ ))
+            ;;
+        --with-x11)
+            with_x11="$value"
+            (( i++ ))
+            ;;
+        --with-sm)
+            with_sm="$value"
+            (( i++ ))
+            ;;
+    esac
+    (( i++ ))
+done
+
+[[ -z "${prefix}" ]] && prefix="/usr/local"
+[[ -z "${bindir}" ]] && bindir="${prefix}/bin"
+[[ -z "${datadir}" ]] && datadir="${prefix}/share/moog"
+fflags="${fflags[@]}"
+sed "s|@PREFIX@|${prefix}|g;\
+    s|@BINDIR@|${bindir}|g;\
+    s|@DATADIR@|${datadir}|g;\
+    s|@FFLAGS@|${fflags}|g;\
+    s|@WITH_X11@|${with_x11}|g;\
+    s|@WITH_SM@|${with_sm}|g;\
+    " Makefile.in > Makefile
+sed "s|@MOOGPATH_DEFAULT@|${datadir}/|" Moog.f.in > Moog.f
+
+printf "
+Configured with:
+
+Installation prefix ... %s
+X11 library ........... %s
+SuperMongo library .... %s
+
+Run 'make' to compile
+Run 'make install' to install
+
+" $prefix $with_x11 $with_sm