configure: Generalize the GMime configure checks.

[notmuch] / configure

diff --git a/configure b/configure
index c6e0c09a8f8014c9458c9461ae59094c49e56e05..095a476e55faf256c5847a809f7d542146639a29 100755 (executable)
--- a/configure
+++ b/configure
@@ -6,10 +6,19 @@ CC=${CC:-gcc}
 CXX=${CXX:-g++}
 CFLAGS=${CFLAGS:--O2}
 CXXFLAGS=${CXXFLAGS:-\$(CFLAGS)}
 CXX=${CXX:-g++}
 CFLAGS=${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
 
 # Set the defaults for values the user can specify with command-line
 # options.
 PREFIX=/usr/local

+LIBDIR=

 
 usage ()
 {
 
 usage ()
 {


@@ -37,18 +46,43 @@ First, some common variables can specified via environment variables:
 Each of these values can further be controlled by specifying them
 later on the "make" command line.
 
 Each of these values can further be controlled by specifying them
 later on the "make" command line.
 

+Other environment variables can be used to control configure itself,
+(and for which there is no equivalent build-time control):
+
+       XAPIAN_CONFIG   The program to use to determine flags for
+                       compiling and linking against the Xapian
+                       library. [$XAPIAN_CONFIG]
+

 Additionally, various options can be specified on the configure
 command line.
 
        --prefix=PREFIX Install files in PREFIX [$PREFIX]
 
 By default, "make install" will install the resulting program to
 Additionally, various options can be specified on the configure
 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
 
 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]
+       --mandir=DIR            Install man pages to DIR [PREFIX/share/man]
+       --sysconfdir=DIR        Read-only single-machine data [PREFIX/etc]
+       --emacslispdir=DIR      Emacs code [PREFIX/share/emacs/site-lisp]
+
+Additional options are accepted for compatibility with other
+configure-script calling conventions, but don't do anything yet:
+
+       --build=<cpu>-<vendor>-<os>     Currently ignored
+       --infodir=DIR                   Currently ignored
+       --localstatedir=DIR             Currently ignored
+       --libexecdir=DIR                Currently ignored
+       --disable-maintainer-mode       Currently ignored
+       --disable-dependency-tracking   Currently ignored
+

 EOF
 }
 
 EOF
 }
 


@@ -59,6 +93,48 @@ for option; do
        exit 0
     elif [ "${option%%=*}" = '--prefix' ] ; then
        PREFIX="${option#*=}"
        exit 0
     elif [ "${option%%=*}" = '--prefix' ] ; then
        PREFIX="${option#*=}"

+    elif [ "${option%%=*}" = '--libdir' ] ; then
+       LIBDIR="${option#*=}"
+    elif [ "${option%%=*}" = '--includedir' ] ; then
+       INCLUDEDIR="${option#*=}"
+    elif [ "${option%%=*}" = '--mandir' ] ; then
+       MANDIR="${option#*=}"
+    elif [ "${option%%=*}" = '--sysconfdir' ] ; then
+       SYSCONFDIR="${option#*=}"
+    elif [ "${option%%=*}" = '--emacslispdir' ] ; then
+       EMACSLISPDIR="${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=${build_option#*-}
+    elif [ "${option%%=*}" = '--infodir' ] ; then
+       true
+    elif [ "${option%%=*}" = '--localstatedir' ] ; then
+       true
+    elif [ "${option%%=*}" = '--libexecdir' ] ; then
+       true
+    elif [ "${option}" = '--disable-maintainer-mode' ] ; then
+       true
+    elif [ "${option}" = '--disable-dependency-tracking' ] ; then
+       true
+    else
+       echo "Unrecognized option: ${option}"
+       echo "See:"
+       echo "  $0 --help"
+       echo ""
+       exit 1

     fi
 done
 
     fi
 done
 


@@ -91,26 +167,33 @@ else
 fi
 
 printf "Checking for Xapian development files... "
 fi
 
 printf "Checking for Xapian development files... "

-if xapian-config --version > /dev/null 2>&1; then
-    printf "Yes.\n"
-    have_xapian=1
-    xapian_cxxflags=$(xapian-config --cxxflags)
-    xapian_ldflags=$(xapian-config --libs)
-else
+have_xapian=0
+for xapian_config in ${XAPIAN_CONFIG}; do
+    if ${xapian_config} --version > /dev/null 2>&1; then
+       printf "Yes.\n"
+       have_xapian=1
+       xapian_cxxflags=$(${xapian_config} --cxxflags)
+       xapian_ldflags=$(${xapian_config} --libs)
+       break
+    fi
+done
+if [ ${have_xapian} = "0" ]; then

     printf "No.\n"
     printf "No.\n"

-    have_xapian=0

     errors=$((errors + 1))
 fi
 
     errors=$((errors + 1))
 fi
 

-printf "Checking for GMime 2.4 development files... "
-if pkg-config --modversion gmime-2.4 > /dev/null 2>&1; then
-    printf "Yes.\n"
-    have_gmime=1
-    gmime_cflags=$(pkg-config --cflags gmime-2.4)
-    gmime_ldflags=$(pkg-config --libs gmime-2.4)
-else
+printf "Checking for GMime development files... "
+have_gmime=0
+for gmimepc in gmime-2.6 gmime-2.4; do
+    if pkg-config --modversion $gmimepc > /dev/null 2>&1; then
+       printf "Yes ($gmimepc).\n"
+       have_gmime=1
+       gmime_cflags=$(pkg-config --cflags $gmimepc)
+       gmime_ldflags=$(pkg-config --libs $gmimepc)
+    fi
+done
+if [ "$have_gmime" = "0" ]; then

     printf "No.\n"
     printf "No.\n"

-    have_gmime=0

     errors=$((errors + 1))
 fi
 
     errors=$((errors + 1))
 fi
 


@@ -137,10 +220,32 @@ else
     have_valgrind=0
 fi
 
     have_valgrind=0
 fi
 

-if pkg-config --modversion emacs > /dev/null 2>&1; then
-    emacs_lispdir=$(pkg-config emacs --variable sitepkglispdir)
+if [ -z "${EMACSLISPDIR}" ]; then
+    if pkg-config --modversion emacs > /dev/null 2>&1; then
+       EMACSLISPDIR=$(pkg-config emacs --variable sitepkglispdir)
+    else
+       EMACSLISPDIR='$(prefix)/share/emacs/site-lisp'
+    fi
+fi
+
+printf "Checking if emacs is available... "
+if emacs --quick --batch > /dev/null 2>&1; then
+    printf "Yes.\n"
+    have_emacs=1

 else
 else

-    emacs_lispdir='$(prefix)/share/emacs/site-lisp'
+    printf "No (so will not byte-compile emacs code)\n"
+    have_emacs=0
+fi
+
+printf "Checking for Mac OS X (for shared library)... "
+if [ `uname` = "Darwin" ] ; then
+    printf "Yes.\n"
+    mac_os_x=1
+    linker_resolves_library_dependencies=0
+else
+    printf "No.\n"
+    mac_os_x=0
+    linker_resolves_library_dependencies=1

 fi
 
 if [ $errors -gt 0 ]; then
 fi
 
 if [ $errors -gt 0 ]; then


@@ -209,7 +314,7 @@ EOF
 fi
 
 printf "Checking for getline... "
 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
 then
     printf "Yes.\n"
     have_getline=1


@@ -217,7 +322,18 @@ else
     printf "No (will use our own instead).\n"
     have_getline=0
 fi
     printf "No (will use our own instead).\n"
     have_getline=0
 fi

-rm -f config/have_getline
+rm -f compat/have_getline
+
+printf "Checking for strcasestr... "
+if ${CC} -o compat/have_strcasestr compat/have_strcasestr.c > /dev/null 2>&1
+then
+    printf "Yes.\n"
+    have_strcasestr=1
+else
+    printf "No (will use our own instead).\n"
+    have_strcasestr=0
+fi
+rm -f compat/have_strcasestr

 
 cat <<EOF
 
 
 cat <<EOF
 


@@ -244,22 +360,68 @@ CC = ${CC}
 # The C++ compiler to use
 CXX = ${CXX}
 
 # 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}
 
 # 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 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)/include}
+
+# The directory to which man pages should be installed
+mandir = ${MANDIR:=\$(prefix)/share/man}
+
+# The directory to which read-only (configuration) filesshould be installed
+sysconfdir = ${SYSCONFDIR:=\$(prefix)/etc}
+

 # The directory to which emacs lisp files should be installed
 # The directory to which emacs lisp files should be installed

-emacs_lispdir=${emacs_lispdir}
+emacslispdir=${EMACSLISPDIR}
+
+# 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 = \$(sysconfdir)/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}
 
 
 # Whether the getline function is available (if not, then notmuch will
 # build its own version)
 HAVE_GETLINE = ${have_getline}
 

+# Whether the strcasestr function is available (if not, then notmuch will
+# build its own version)
+HAVE_STRCASESTR = ${have_strcasestr}
+
+# Whether we are building on OS X.  This will affect how we build the
+# shared library.
+MAC_OS_X = ${mac_os_x}
+
+# Whether the linker will automatically resolve the dependency of one
+# library on another (if not, then linking a binary requires linking
+# directly against both)
+LINKER_RESOLVES_LIBRARY_DEPENDENCIES = ${linker_resolves_library_dependencies}
+

 # Flags needed to compile and link against Xapian
 XAPIAN_CXXFLAGS = ${xapian_cxxflags}
 XAPIAN_LDFLAGS = ${xapian_ldflags}
 # Flags needed to compile and link against Xapian
 XAPIAN_CXXFLAGS = ${xapian_cxxflags}
 XAPIAN_LDFLAGS = ${xapian_ldflags}


@@ -281,9 +443,10 @@ VALGRIND_CFLAGS = ${valgrind_cflags}
 # Combined flags for compiling and linking against all of the above
 CONFIGURE_CFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS)      \\
                   \$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND)   \\
 # Combined flags for compiling and linking against all of the above
 CONFIGURE_CFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS)      \\
                   \$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND)   \\

-                  \$(VALGRIND_CFLAGS)
+                  \$(VALGRIND_CFLAGS) -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR)

 CONFIGURE_CXXFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS)    \\
                     \$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\
 CONFIGURE_CXXFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS)    \\
                     \$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\

-                    \$(VALGRIND_CFLAGS) \$(XAPIAN_CXXFLAGS)
+                    \$(VALGRIND_CFLAGS) \$(XAPIAN_CXXFLAGS)             \\
+                     -DHAVE_STRCASESTR=\$(HAVE_STRCASESTR)

 CONFIGURE_LDFLAGS =  \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(XAPIAN_LDFLAGS)
 EOF
 CONFIGURE_LDFLAGS =  \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(XAPIAN_LDFLAGS)
 EOF