configure: Add support for a --includedir option

[notmuch] / configure

diff --git a/configure b/configure
index d240b6acf8bda20b033e62ef1beda4c3cebe38d3..a0746dfa6790fd70de361eb3e987558505096209 100755 (executable)
--- a/configure
+++ b/configure
@@ -8,9 +8,17 @@ CFLAGS=${CFLAGS:--O2}
 CXXFLAGS=${CXXFLAGS:-\$(CFLAGS)}
 XAPIAN_CONFIG=${XAPIAN_CONFIG:-xapian-config-1.1 xapian-config}
 
+# We don't allow the EMACS or GZIP Makefile variables inherit values
+# from the environment as we do with CC and CXX above. The reason is
+# that these names as environment variables have existing uses other
+# than the program name that we want. (EMACS is set to 't' when a
+# shell is running within emacs and GZIP specifies arguments to pass
+# on the gzip command line).
+
 # Set the defaults for values the user can specify with command-line
 # options.
 PREFIX=/usr/local
+LIBDIR=
 
 usage ()
 {
@@ -51,12 +59,22 @@ command line.
        --prefix=PREFIX Install files in PREFIX [$PREFIX]
 
 By default, "make install" will install the resulting program to
-$PREFIX/bin, documentation to $PREFIX/share, etc. You can
+$PREFIX/bin, documentation to $PREFIX/man, etc. You can
 specify an installation prefix other than $PREFIX using
 --prefix, for instance:
 
        ./configure --prefix=\$HOME
 
+Fine tuning of some installation directories is available:
+
+       --libdir=DIR            Install libraries to DIR [PREFIX/lib]
+       --includedir=DIR        Install header files to DIR [PREFIX/include]
+
+Additional options are accepted for compatibility with other
+configure-script calling conventions, but don't do anything yet:
+
+       --build=<cpu>-<vendor>-<os>     Currently ignored
+
 EOF
 }
 
@@ -67,8 +85,28 @@ for option; do
        exit 0
     elif [ "${option%%=*}" = '--prefix' ] ; then
        PREFIX="${option#*=}"
+    elif [ "${option%%=*}" = '--libdir' ] ; then
+       LIBDIR="${option#*=}"
+    elif [ "${option%%=*}" = '--includedir' ] ; then
+       INCLUDEDIR="${option#*=}"
+    elif [ "${option%%=*}" = '--build' ] ; then
+       build_option="${option#*=}"
+       case ${build_option} in
+           *-*-*) ;;
+           *)
+               echo "Unrecognized value for --build option: ${build_option}"
+               echo "Should be: <cpu>-<vendor>-<os>"
+               echo "See:"
+               echo "  $0 --help"
+               echo ""
+               exit 1
+       esac
+       build_cpu=${build_option%%-*}
+       build_option=${build_option#*-}
+       build_vendor=${build_option%%-*}
+       build_os=${build_option#*-}
     else
-       echo "Unrecognized option: ${option}."
+       echo "Unrecognized option: ${option}"
        echo "See:"
        echo "  $0 --help"
        echo ""
@@ -161,6 +199,15 @@ else
     emacs_lispdir='$(prefix)/share/emacs/site-lisp'
 fi
 
+printf "Checking if emacs is available... "
+if emacs --quick --batch > /dev/null 2>&1; then
+    printf "Yes.\n"
+    have_emacs=1
+else
+    printf "No (so will not byte-compile emacs code)\n"
+    have_emacs=0
+fi
+
 if [ $errors -gt 0 ]; then
     cat <<EOF
 
@@ -227,7 +274,7 @@ EOF
 fi
 
 printf "Checking for getline... "
-if ${CC} -o config/have_getline config/have_getline.c > /dev/null 2>&1
+if ${CC} -o compat/have_getline compat/have_getline.c > /dev/null 2>&1
 then
     printf "Yes.\n"
     have_getline=1
@@ -235,7 +282,7 @@ else
     printf "No (will use our own instead).\n"
     have_getline=0
 fi
-rm -f config/have_getline
+rm -f compat/have_getline
 
 cat <<EOF
 
@@ -262,18 +309,45 @@ CC = ${CC}
 # The C++ compiler to use
 CXX = ${CXX}
 
+# Command to execute emacs from Makefiles
+EMACS = emacs --quick
+
 # Default FLAGS for C compiler (can be overridden by user such as "make CFLAGS=-g")
 CFLAGS = ${CFLAGS}
 
 # Default FLAGS for C++ compiler (can be overridden by user such as "make CXXFLAGS=-g")
 CXXFLAGS = ${CXXFLAGS}
 
+# Flags to enable warnings when using the C++ compiler
+WARN_CXXFLAGS=-Wall -Wextra -Wwrite-strings -Wswitch-enum
+
+# Flags to enable warnings when using the C compiler
+WARN_CFLAGS=\$(WARN_CXXFLAGS) -Wmissing-declarations
+
 # The prefix to which notmuch should be installed
 prefix = ${PREFIX}
 
+# The directory to which libraries should be installed
+libdir = ${LIBDIR:=\$(prefix)/lib}
+
+# The directory to which header files should be installed
+includedir = ${INCLUDEDIR:=\$(prefix)/lib}
+
 # The directory to which emacs lisp files should be installed
 emacs_lispdir=${emacs_lispdir}
 
+# Whether there's an emacs binary available for byte-compiling
+HAVE_EMACS = ${have_emacs}
+
+# The directory to which desktop files should be installed
+desktop_dir = \$(prefix)/share/applications
+
+# The directory to which bash completions files should be installed
+bash_completion_dir = /etc/bash_completion.d
+
+# The directory to which zsh completions files should be installed
+zsh_completion_dir = \$(prefix)/share/zsh/functions/Completion/Unix
+
 # Whether the getline function is available (if not, then notmuch will
 # build its own version)
 HAVE_GETLINE = ${have_getline}