X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=configure;h=488b3bd7965a57471c1fa187ffe7c4eb659a2e10;hp=92b6710fdef8ff020954e9e01709fca1efb23ee0;hb=c7f971e8c02524ee2435406f0c14791b75c10e20;hpb=a4d3f07e5162db4f9345f32f623ce94f5015c873

diff --git a/configure b/configure
index 92b6710f..488b3bd7 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,18 @@
 #! /bin/sh
 
+CC=${CC:-gcc}
+CXX=${CXX:-g++}
+
+# defaults
+PREFIX=/usr/local
+
+# option parsing
+for option; do
+    if [ "${option%%=*}" = '--prefix' ] ; then
+	PREFIX="${option#*=}"
+    fi
+done
+
 cat <<EOF
 Welcome to Notmuch, a system for indexing, searching and tagging your email.
 
@@ -32,8 +45,8 @@ printf "Checking for Xapian development files... "
 if xapian-config --version > /dev/null 2>&1; then
     printf "Yes.\n"
     have_xapian=1
-    cxxflags="${cxxflags} $(xapian-config --cxxflags)"
-    ldflags="${ldflags} $(xapian-config --libs)"
+    xapian_cxxflags=$(xapian-config --cxxflags)
+    xapian_ldflags=$(xapian-config --libs)
 else
     printf "No.\n"
     have_xapian=0
@@ -44,8 +57,8 @@ printf "Checking for GMime 2.4 development files... "
 if pkg-config --modversion gmime-2.4 > /dev/null 2>&1; then
     printf "Yes.\n"
     have_gmime=1
-    cflags="${cflags} $(pkg-config --cflags gmime-2.4)"
-    ldflags="${ldflags} $(pkg-config --libs gmime-2.4)"
+    gmime_cflags=$(pkg-config --cflags gmime-2.4)
+    gmime_ldflags=$(pkg-config --libs gmime-2.4)
 else
     printf "No.\n"
     have_gmime=0
@@ -56,8 +69,8 @@ printf "Checking for talloc development files... "
 if pkg-config --modversion talloc > /dev/null 2>&1; then
     printf "Yes.\n"
     have_talloc=1
-    cflags="${cflags} $(pkg-config --cflags talloc)"
-    ldflags="${ldflags} $(pkg-config --libs talloc)"
+    talloc_cflags=$(pkg-config --cflags talloc)
+    talloc_ldflags=$(pkg-config --libs talloc)
 else
     printf "No.\n"
     have_talloc=0
@@ -69,7 +82,7 @@ printf "Checking for valgrind development files... "
 if pkg-config --modversion valgrind > /dev/null 2>&1; then
     printf "Yes.\n"
     have_valgrind=1
-    cflags="${cflags} $(pkg-config --cflags valgrind)"
+    valgrind_cflags=$(pkg-config --cflags valgrind)
 else
     printf "No (but that's fine).\n"
     have_valgrind=0
@@ -103,29 +116,37 @@ EOF
     fi
     cat <<EOF
 
-On a modern, package-based operating system such as Debian, you can
-install all of the dependencies with the following simple command
-line:
+With any luck, you're using a modern, package-based operating system
+that has all of these packages available in the distribution. In that
+case a simple command will install everything you need. For example:
+
+On Debian and similar systems:
 
 	sudo apt-get install libxapian-dev libgmime-2.4-dev libtalloc-dev
 
-On other systems, a similar command can be used, but the details of the 
-package names may be different, (such as "devel" in place of "dev").
+Or on Fedora and similar systems:
+
+	sudo yum install xapian-core-devel gmime-devel libtalloc-devel
+
+On other systems, similar commands can be used, but the details of the
+package names may be different.
 
 EOF
     if [ $have_pkg_config -eq 0 ]; then
 cat <<EOF
-Note: the pkg-config program is not available. Both this configure
-script and the Makefile of notmuch use pkg-config to find the
-compilation flags required to link against the various libraries
-needed by notmuch. It's possible you simply need to install pkg-config
-with a command such as:
+Note: the pkg-config program is not available. This configure script
+uses pkg-config to find the compilation flags required to link against
+the various libraries needed by notmuch. It's possible you simply need
+to install pkg-config with a command such as:
 
 	sudo apt-get install pkg-config
+Or:
+	sudo yum install pkgconfig
 
 But if pkg-config is not available for your system, then you will need
-to manually edit the notmuch Makefile to set the variables such as
-CFLAGS and LDFLAGS to the correct values without calling pkg-config.
+to modify the configure script to manually set the cflags and ldflags
+variables to the correct values to link against each library in each
+case that pkg-config could not be used to determine those values.
 
 EOF
     fi
@@ -139,7 +160,7 @@ EOF
 fi
 
 printf "Checking for getline... "
-if gcc -o config/have_getline config/have_getline.c > /dev/null 2>&1
+if ${CC} -o config/have_getline config/have_getline.c > /dev/null 2>&1
 then
     printf "Yes.\n"
     have_getline=1
@@ -168,8 +189,14 @@ cat > Makefile.config <<EOF
 # changes, (and this could happen by simply calling "make" if the
 # configure script is updated).
 
+# The C compiler to use
+CC = ${CC}
+
+# The C++ compiler to use
+CXX = ${CXX}
+
 # The prefix to which notmuch should be installed
-prefix = /usr/local
+prefix = ${PREFIX}
 
 # The directory to which emacs lisp files should be installed
 emacs_lispdir=${emacs_lispdir}
@@ -178,9 +205,30 @@ emacs_lispdir=${emacs_lispdir}
 # build its own version)
 HAVE_GETLINE = ${have_getline}
 
-# Various flags needed to compile and link against the dependencies of
-# notmuch.
-override CFLAGS += ${cflags} -DHAVE_VALGRIND=${have_valgrind} -DHAVE_GETLINE=\$(HAVE_GETLINE)
-override CXXFLAGS += ${cflags} ${cxxflags}
-override LDFLAGS += ${ldflags}
+# Flags needed to compile and link against Xapian
+XAPIAN_CXXFLAGS = ${xapian_cxxflags}
+XAPIAN_LDFLAGS = ${xapian_ldflags}
+
+# Flags needed to compile and link against GMime-2.4
+GMIME_CFLAGS = ${gmime_cflags}
+GMIME_LDFLAGS = ${gmime_ldflags}
+
+# Flags needed to compile and link against talloc
+TALLOC_CFLAGS = ${talloc_cflags}
+TALLOC_LDFLAGS = ${talloc_ldflags}
+
+# Whether valgrind header files are available
+HAVE_VALGRIND = ${have_valgrind}
+
+# And if so, flags needed at compile time for valgrind macros
+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)   \\
+		   \$(VALGRIND_CFLAGS)
+CONFIGURE_CXXFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS)    \\
+		     \$(TALLOC_CFLAGS) -DHAVE_VALGRIND=\$(HAVE_VALGRIND) \\
+		     \$(VALGRIND_CFLAGS) \$(XAPIAN_CXXFLAGS)
+CONFIGURE_LDFLAGS =  \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(XAPIAN_LDFLAGS)
 EOF