Prepare for 1.1.3.0, templated configure, pkg-config support, etc.

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 125 insertions, 64 deletions

diff --git a/configure b/configure
index 0e3b80f..7f8d5c5 100755
--- a/configure
+++ b/configure
@@ -23,6 +23,7 @@ Fine tuning of the installation directories:
   --libexecdir=DIR              package-scoped executables [EPREFIX/libexec]
   --libdir=DIR                  static library files [PREFIX/lib]
   --includedir=DIR              C header files [PREFIX/include]
+  --pkgconfdir=DIR              pkg-config .pc files [PREFIX/lib/pkgconfig]
   --skeldir=DIR                 script skeleton files [PREFIX/etc/s6-linux-init/skel]
   --tmpfsdir=DIR                assume the initial tmpfs will be mounted on DIR [/run]
   --scandir=DIR                 use tmpfsdir/DIR as the s6-svscan directory [service]
@@ -35,6 +36,7 @@ Dependencies:
   --with-include=DIR            add DIR to the list of searched directories for headers
   --with-lib=DIR                add DIR to the list of searched directories for static libraries
   --with-dynlib=DIR             add DIR to the list of searched directories for shared libraries
+  --with-pkgconfig[=PROG]       use pkg-config to look for dependencies
 
  If no --prefix option is given, by default sysdeps will be fetched from
  /usr/lib/skalibs/sysdeps.
@@ -45,10 +47,9 @@ Optional features:
   --disable-allstatic           do not prefer linking against static libraries [enabled]
   --enable-static-libc          make entirely static binaries [disabled]
   --disable-all-pic             do not build executables or static libs as PIC [enabled]
+  --enable-pkgconfig            Build and install .pc files for pkg-config [disabled]
   --enable-slashpackage[=ROOT]  assume /package installation at ROOT [disabled]
-  --enable-absolute-paths       do not rely on PATH to access this package's binaries,
-                                  hardcode absolute BINDIR/foobar paths instead [disabled]
-
+  --enable-absolute-paths       hardcode absolute BINDIR/foobar paths in binaries [disabled]
   --enable-nsss                 use the nsss library for user information [disabled]
   --enable-utmps                link against the utmps library [disabled]
 
@@ -77,10 +78,6 @@ fail () {
   exit 1
 }
 
-isprefix() {
-  case "$1" in "$2"*) return 0 ;; *) return 1 ;; esac ;
-}
-
 fnmatch () {
   eval "case \"\$2\" in $1) return 0 ;; *) return 1 ;; esac"
 }
@@ -127,13 +124,6 @@ tryldflag () {
   fi
 }
 
-getmacro () {
-  echo "#include <$1>" | $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST -E -dM - | grep -F -- "$2" | cut -d' ' -f3-
-}
-
-getmacrostring () {
-  getmacro "$1" "$2" | sed -e 's/^"//' -e 's/"$//'
-}
 
 # Actual script
 
@@ -156,6 +146,8 @@ libexecdir='$exec_prefix/libexec'
 bindir='$exec_prefix/bin'
 libdir='$prefix/lib'
 includedir='$prefix/include'
+pkgconfdir='$prefix/lib/pkgconfig'
+shebangdir='$bindir'
 sysdeps='$prefix/lib/skalibs/sysdeps'
 manualsysdeps=false
 shared=false
@@ -163,21 +155,25 @@ static=true
 allpic=true
 slashpackage=false
 abspath=false
-usensss=false
+pcw=false
 sproot=
 home=
 exthome=
 allstatic=true
 evenmorestatic=false
+pkgconf=
 addincpath=''
 addlibspath=''
 addlibdpath=''
+depincpath=''
+deplibpath=''
 vpaths=''
 vpathd=''
 build=
 skeldir='$prefix/etc/s6-linux-init/skel'
 tmpfsdir=/run
 scandir=service
+usensss=false
 utmps=false
 
 for arg ; do
@@ -190,10 +186,14 @@ for arg ; do
     --bindir=*) bindir=${arg#*=} ;;
     --libdir=*) libdir=${arg#*=} ;;
     --includedir=*) includedir=${arg#*=} ;;
+    --pkgconfigdir=*) pkgconfigdir=${arg#*=} ;;
     --with-sysdeps=*) sysdeps=${arg#*=} manualsysdeps=true ;;
-    --with-include=*) var=${arg#*=} ; stripdir var ; addincpath="$addincpath -I$var" ;;
-    --with-lib=*) var=${arg#*=} ; stripdir var ; addlibspath="$addlibspath -L$var" ; vpaths="$vpaths $var" ;;
+    --with-include=*) var=${arg#*=} ; stripdir var ; addincpath="$addincpath -I$var" ; depincpath="${depincpath}${depincpath:+ }-I$var" ;;
+    --with-lib=*) var=${arg#*=} ; stripdir var ; addlibspath="$addlibspath -L$var" ; deplibpath="${deplibpath}${deplibpath:+ }-I$var" ; vpaths="$vpaths $var" ;;
     --with-dynlib=*) var=${arg#*=} ; stripdir var ; addlibdpath="$addlibdpath -L$var" ; vpathd="$vpathd $var" ;;
+    --with-pkgconfig=*) pkgconf=${arg#*=} ;;
+    --with-pkgconfig) pkgconf=${PKG_CONFIG:-pkg-config} ;;
+    --without-pkgconfig) pkgconf= ;;
     --enable-shared|--enable-shared=yes) shared=true ;;
     --disable-shared|--enable-shared=no) shared=false ;;
     --enable-static|--enable-static=yes) static=true ;;
@@ -204,19 +204,22 @@ for arg ; do
     --disable-static-libc|--enable-static-libc=no) evenmorestatic=false ;;
     --enable-all-pic|--enable-all-pic=yes) allpic=true ;;
     --disable-all-pic|--enable-all-pic=no) allpic=false ;;
+    --enable-pkgconfig|--enable-pkgconfig=yes) pcw=true ;;
+    --disable-pkgconfig|--enable-pkgconfig=no) pcw=false ;;
     --enable-slashpackage=*) sproot=${arg#*=} ; slashpackage=true ; ;;
     --enable-slashpackage) sproot= ; slashpackage=true ;;
     --disable-slashpackage) sproot= ; slashpackage=false ;;
     --enable-absolute-paths|--enable-absolute-paths=yes) abspath=true ;;
     --disable-absolute-paths|--enable-absolute-paths=no) abspath=false ;;
-    --enable-nsss|--enable-nsss=yes) usensss=true ;;
-    --disable-nsss|--enable-nsss=no) usensss=false ;;
     --skeldir=*) skeldir=${arg#*=} ;;
     --tmpfsdir=*) tmpfsdir=${arg#*=} ;;
     --scandir=*) scandir=${arg#*=} ;;
+    --enable-nsss|--enable-nsss=yes) usensss=true ;;
+    --disable-nsss|--enable-nsss=no) usensss=false ;;
     --enable-utmps|--enable-utmps=yes) utmps=true ;;
     --disable-utmps|--enable-utmps=no) utmps=false ;;
     --enable-*|--disable-*|--with-*|--without-*|--*dir=*) ;;
+    --enable-*|--disable-*|--with-*|--without-*|--*dir=*) ;;
     --host=*|--target=*) target=${arg#*=} ;;
     --build=*) build=${arg#*=} ;;
     -* ) echo "$0: unknown option $arg" ;;
@@ -233,6 +236,9 @@ if test -z "$prefix" ; then
   if test "$includedir" = '$prefix/include' ; then
     includedir=/usr/include
   fi
+  if test "$pkgconfdir" = '$prefix/lib/pkgconfig' ; then
+    pkgconfdir=/usr/lib/pkgconfig
+  fi
   if test "$sysdeps" = '$prefix/lib/skalibs/sysdeps' ; then
     sysdeps=/usr/lib/skalibs/sysdeps
   fi
@@ -240,29 +246,60 @@ fi
 
 # Expand installation directories
 stripdir prefix
-for i in exec_prefix dynlibdir libexecdir bindir libdir includedir sysdeps sproot tmpfsdir skeldir ; do
+for i in exec_prefix dynlibdir libexecdir bindir libdir includedir pkgconfdir sysdeps sproot tmpfsdir skeldir ; do
   eval tmp=\${$i}
   eval $i=$tmp
   stripdir $i
 done
 
-# Get usable temp filenames
-i=0
-set -C
-while : ; do
-  i=$(($i+1))
-  tmpc="./tmp-configure-$$-$PPID-$i.c"
-  tmpo="./tmp-configure-$$-$PPID-$i.o"
-  tmpe="./tmp-configure-$$-$PPID-$i.tmp"
-  2>|/dev/null > "$tmpc" && break
-  2>|/dev/null > "$tmpo" && break
-  2>|/dev/null > "$tmpe" && break
-  test "$i" -gt 50 && fail "$0: cannot create temporary files"
-done
-set +C
-trap 'rm -f "$tmpc" "$tmpo" "$tmpe"' EXIT ABRT INT QUIT TERM HUP
+# Process deps-build
+if test -n "$pkgconf" || $pcw || $slashpackage ; then
+  oldifs="$IFS"
+  while IFS=" 	" read cond usedinlibs pkg ver libs ; do
+    IFS="$oldifs"
+    eval "cond=$cond; usedinlibs=$usedinlibs"
+    if $cond ; then
+      if test -n "$pkgconf" ; then
+        for lib in $libs ; do
+          if ! $pkgconf --atleast-version=${ver} --print-errors -- "$lib" ; then
+            echo "./configure: fatal: $pkgconf --atleast-version=${ver} --print-errors -- $lib failed" 1>&2
+            exit 1
+          fi
+          thisinc="`$pkgconf --cflags-only-I -- $lib`"
+          sldflags="`$pkgconf --libs-only-L --static -- $lib`"
+          dldflags="`$pkgconf --libs-only-L -- $lib`"
+          addincpath="${addincpath}${thisinc:+ }$thisinc"
+          addlibspath="${addlibspath}${sldflags:+ }$sldflags"
+          addlibdpath="${addlibdpath}${dldflags:+ }$dldflags"
+          for i in $sldflags ; do
+            vpaths="$vpaths ${i##-L}"
+          done
+          for i in $dldflags ; do
+            vpathd="$vpathd ${i##-L}"
+          done
+          if $usedinlibs ; then
+            depincpath="${depincpath}${thisinc:+ }$thisinc"
+            deplibpath="${deplibpath}${sldflags:+ }$sldflags"
+          fi
+        done
+      fi
+      if $slashpackage ; then
+        addincpath="$addincpath -I${DESTDIR}${sproot}${pkg}/include"
+        vpaths="$vpaths ${DESTDIR}${sproot}${pkg}/library"
+        addlibspath="$addlibspath -L${DESTDIR}${sproot}${pkg}/library"
+        vpathd="$vpathd ${DESTDIR}${sproot}${pkg}/library.so"
+        addlibdpath="$addlibdpath -L${DESTDIR}${sproot}${pkg}/library.so"
+        if $usedinlibs ; then
+          depincpath="$depincpath -I${DESTDIR}${sproot}${pkg}/include"
+          deplibpath="$deplibpath -L${DESTDIR}${sproot}${pkg}/library"
+        fi
+      fi
+    fi
+  done < package/deps-build
+  IFS="$oldifs"
+fi
 
-# Set slashpackage values
+# Other slashpackage values
 if $slashpackage ; then
   home=${sproot}/package/${category}/${package}-${version}
   exthome=${sproot}/package/${category}/${package}
@@ -277,23 +314,26 @@ if $slashpackage ; then
   libdir=${home}/library
   libexecdir=$bindir
   includedir=${home}/include
-  skeldir=${home}/etc/skel
-  while read dep condvar ; do
-    if test -n "$condvar" ; then
-      eval "cond=$condvar"
-    else
-      cond=true
-    fi
-    if $cond ; then
-      addincpath="$addincpath -I${DESTDIR}${sproot}${dep}/include"
-      vpaths="$vpaths ${DESTDIR}${sproot}${dep}/library"
-      addlibspath="$addlibspath -L${DESTDIR}${sproot}${dep}/library"
-      vpathd="$vpathd ${DESTDIR}${sproot}${dep}/library.so"
-      addlibdpath="$addlibdpath -L${DESTDIR}${sproot}${dep}/library.so"
-    fi
-  done < package/deps-build
+  pkgconfdir=${home}/pkgconfig
+
 fi
 
+# Get usable temp filenames
+i=0
+set -C
+while : ; do
+  i=$(($i+1))
+  tmpc="./tmp-configure-$$-$PPID-$i.c"
+  tmpo="./tmp-configure-$$-$PPID-$i.o"
+  tmpe="./tmp-configure-$$-$PPID-$i.tmp"
+  2>|/dev/null > "$tmpc" && break
+  2>|/dev/null > "$tmpo" && break
+  2>|/dev/null > "$tmpe" && break
+  test "$i" -gt 50 && fail "$0: cannot create temporary files"
+done
+set +C
+trap 'rm -f "$tmpc" "$tmpo" "$tmpe"' EXIT ABRT INT QUIT TERM HUP
+
 # Find a C compiler to use
 if test -n "$target" && test x${build} != x${target} ; then
   cross=${target}-
@@ -350,15 +390,15 @@ if [ "x$target" != "x$(cat $sysdeps/target)" ] ; then
   exit 1
 fi
 
+if $allpic ; then
+  tryflag CPPFLAGS_AUTO -fPIC
+fi
 spawn_lib=$(cat $sysdeps/spawn.lib)
 socket_lib=$(cat $sysdeps/socket.lib)
 sysclock_lib=$(cat $sysdeps/sysclock.lib)
 timer_lib=$(cat $sysdeps/timer.lib)
 util_lib=$(cat $sysdeps/util.lib)
 
-if $allpic ; then
-  tryflag CPPFLAGS_AUTO -fPIC
-fi
 tryflag CFLAGS_AUTO -std=c99
 tryflag CFLAGS -fomit-frame-pointer
 tryflag CFLAGS_AUTO -fno-exceptions
@@ -368,7 +408,6 @@ tryflag CPPFLAGS_AUTO -Werror=implicit-function-declaration
 tryflag CPPFLAGS_AUTO -Werror=implicit-int
 tryflag CPPFLAGS_AUTO -Werror=pointer-sign
 tryflag CPPFLAGS_AUTO -Werror=pointer-arith
-tryflag CPPFLAGS_AUTO -Wno-parentheses
 tryflag CFLAGS_AUTO -ffunction-sections
 tryflag CFLAGS_AUTO -fdata-sections
 
@@ -394,6 +433,18 @@ else
   LDFLAGS_NOSHARED="${LDFLAGS_NOSHARED}${addlibdpath}"
 fi
 
+isprefix () {
+  case "$1" in "$2"*) return 0 ;; *) return 1 ;; esac ;
+}
+
+getmacro () {
+  echo "#include <$1>" | $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST -E -dM - | grep -F -- "$2" | cut -d' ' -f3-
+}
+
+getmacrostring () {
+  getmacro "$1" "$2" | sed -e 's/^"//' -e 's/"$//'
+}
+
 if $utmps ; then
   echo "Sanity checking cross-package configuration..."
   p=`getmacrostring utmps/config.h UTMPS_UTMPD_PATH`
@@ -429,13 +480,15 @@ libexecdir := $libexecdir
 bindir := $bindir
 libdir := $libdir
 includedir := $includedir
-skeldir := $skeldir
+pkgconfdir := $pkgconfdir
 sysdeps := $sysdeps
 slashpackage := $slashpackage
 sproot := $sproot
 version := $version
 home := $home
 exthome := $exthome
+extra_includedirs :=$depincpath
+extra_libdirs :=$deplibpath
 SPAWN_LIB := ${spawn_lib}
 SOCKET_LIB := ${socket_lib}
 SYSCLOCK_LIB := ${sysclock_lib}
@@ -444,23 +497,25 @@ UTIL_LIB := ${util_lib}
 
 CC := $CC_AUTO
 CPPFLAGS_AUTO := $CPPFLAGS_AUTO
-CPPFLAGS := $CPPFLAGS $CPPFLAGS_POST
+CPPFLAGS := ${CPPFLAGS}${CPPFLAGS_POST:+ }$CPPFLAGS_POST
 CFLAGS_AUTO := $CFLAGS_AUTO
-CFLAGS := $CFLAGS $CFLAGS_POST
+CFLAGS := ${CFLAGS}${CFLAGS_POST:+ }$CFLAGS_POST
 LDFLAGS_AUTO := $LDFLAGS_AUTO
-LDFLAGS := $LDFLAGS $LDFLAGS_POST
+LDFLAGS := ${LDFLAGS}${LDFLAGS_POST:+ }$LDFLAGS_POST
 LDFLAGS_SHARED := $LDFLAGS_SHARED
 LDFLAGS_NOSHARED := $LDFLAGS_NOSHARED
 CROSS_COMPILE := $cross
 
 vpath lib%.a$vpaths
 vpath lib%.so$vpathd
+
 EOF
 if $allstatic ; then
   echo ".LIBPATTERNS := lib%.a"
   echo "DO_ALLSTATIC := 1"
 else
   echo ".LIBPATTERNS := lib%.so"
+  echo "DO_ALLSTATIC :="
 fi
 if $static ; then
   echo "DO_STATIC := 1"
@@ -472,6 +527,11 @@ if $shared ; then
 else
   echo "DO_SHARED :="
 fi
+if $pcw ; then
+  echo "DO_PKGCONFIG := 1"
+else
+  echo "DO_PKGCONFIG :="
+fi
 if $allpic ; then
   echo "STATIC_LIBS_ARE_PIC := 1"
 else
@@ -489,7 +549,6 @@ if $utmps ; then
 else
   echo "LIBUTMPS :="
 fi
-
 exec 1>&3 3>&-
 echo "  ... done."
 
@@ -509,26 +568,28 @@ EOF
 if $slashpackage ; then
   echo "#define ${package_macro_name}_BINPREFIX \"$bindir/\""
   echo "#define ${package_macro_name}_EXTBINPREFIX \"$extbinprefix/\""
+  echo "#define ${package_macro_name}_EXTLIBEXECPREFIX \"$extbinprefix/\""
 elif $abspath ; then
   echo "#define ${package_macro_name}_BINPREFIX \"$bindir/\""
   echo "#define ${package_macro_name}_EXTBINPREFIX \"$bindir/\""
+  echo "#define ${package_macro_name}_EXTLIBEXECPREFIX \"$libexecdir/\""
 else
   echo "#define ${package_macro_name}_BINPREFIX \"\""
   echo "#define ${package_macro_name}_EXTBINPREFIX \"\""
+  echo "#define ${package_macro_name}_EXTLIBEXECPREFIX \"$libexecdir/\""
 fi
 echo "#define ${package_macro_name}_LIBEXECPREFIX \"$libexecdir/\""
 echo "#define ${package_macro_name}_SKELDIR \"$skeldir\""
 echo "#define ${package_macro_name}_TMPFS \"$tmpfsdir\""
 echo "#define ${package_macro_name}_SCANDIR \"$scandir\""
 echo
+echo "#undef ${package_macro_name}_UTMPD_PATH"
+echo "#undef ${package_macro_name}_WTMPD_PATH"
 if $utmps ; then
   echo "#define ${package_macro_name}_UTMPD_PATH \"$utmpd_path\""
   echo "#define ${package_macro_name}_WTMPD_PATH \"$wtmpd_path\""
-else
-  echo "#undef ${package_macro_name}_UTMPD_PATH"
-  echo "#undef ${package_macro_name}_WTMPD_PATH"
 fi
 echo
 echo "#endif"
 exec 1>&3 3>&-
-echo "  ... done."
+echo "  ... done."
\ No newline at end of file