build: generate sh.config for feeding configure results to shell scripts

[notmuch] / configure

diff --git a/configure b/configure
index 9bde2eb72b0e6811505391b0c759a9345f38313a..86ba2f7c66ead7c11c8738aaa3c40f8a1009249b 100755 (executable)
--- a/configure
+++ b/configure
@@ -43,8 +43,8 @@ fi
 
 # Set several defaults (optionally specified by the user in
 # environment variables)
-CC=${CC:-gcc}
-CXX=${CXX:-g++}
+CC=${CC:-cc}
+CXX=${CXX:-c++}
 CFLAGS=${CFLAGS:--O2}
 CPPFLAGS=${CPPFLAGS:-}
 CXXFLAGS=${CXXFLAGS:-\$(CFLAGS)}
@@ -340,6 +340,15 @@ else
     errors=$((errors + 1))
 fi
 
+if ! pkg-config --exists zlib; then
+  ${CC} ${zlib_cflags} -o compat/gen_zlib_pc \
+         "$srcdir"/compat/gen_zlib_pc.c ${zlib_ldflags} > /dev/null 2>&1 &&
+  compat/gen_zlib_pc > compat/zlib.pc &&
+  PKG_CONFIG_PATH="$PKG_CONFIG_PATH":compat &&
+  export PKG_CONFIG_PATH
+  rm -f compat/gen_zlib_pc
+fi
+
 printf "Checking for zlib (>= 1.2.5.2)... "
 have_zlib=0
 if pkg-config --atleast-version=1.2.5.2 zlib; then
@@ -408,6 +417,15 @@ else
     have_emacs=0
 fi
 
+printf "Checking if doxygen is available... "
+if command -v doxygen > /dev/null 2>&1; then
+    printf "Yes.\n"
+    have_doxygen=1
+else
+    printf "No (so will not install api docs)\n"
+    have_doxygen=0
+fi
+
 printf "Checking if sphinx is available and supports nroff output... "
 if hash sphinx-build > /dev/null 2>&1 && python -m sphinx.writers.manpage > /dev/null 2>&1 ; then
     printf "Yes.\n"
@@ -820,6 +838,9 @@ HAVE_SPHINX=${have_sphinx}
 # Whether there's a rst2man binary available for building documentation
 HAVE_RST2MAN=${have_rst2man}
 
+# Whether there's a doxygen binary available for building api documentation
+HAVE_DOXYGEN=${have_doxygen}
+
 # The directory to which desktop files should be installed
 desktop_dir = \$(prefix)/share/applications
 
@@ -935,3 +956,16 @@ CONFIGURE_CXXFLAGS = -DHAVE_GETLINE=\$(HAVE_GETLINE) \$(GMIME_CFLAGS)    \\
 
 CONFIGURE_LDFLAGS =  \$(GMIME_LDFLAGS) \$(TALLOC_LDFLAGS) \$(ZLIB_LDFLAGS) \$(XAPIAN_LDFLAGS)
 EOF
+
+# construct the sh.config
+cat > sh.config <<EOF
+# This sh.config was automatically generated by the ./configure
+# script of notmuch.
+
+# Whether the Xapian version in use supports compaction
+NOTMUCH_HAVE_XAPIAN_COMPACT=${have_xapian_compact}
+
+# Whether there's either sphinx or rst2man available for building
+# documentation
+NOTMUCH_HAVE_MAN=$((have_sphinx || have_rst2man))
+EOF