__WXMAC__, not __MAC__

[wxWidgets.git] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index c1d387e5fe4281fdfd42cc6cd270866f0dce769c..fedb14b8b3fd67d635440421d6497603a69e116f 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1413,7 +1413,7 @@ EOF
         SHARED_LD_MODULE_CC="$SHARED_LD_CC"
     fi
     if test "x$SHARED_LD_MODULE_CXX" = "x" ; then
-        SHARED_LD_MODULE_CC="$SHARED_LD_CXX"
+        SHARED_LD_MODULE_CXX="$SHARED_LD_CXX"
     fi
 
     AC_SUBST(SHARED_LD_CC)
@@ -1503,8 +1503,8 @@ AC_DEFUN(AC_BAKEFILE_DEPS,
         cat <<EOF >bk-deps
 #!/bin/sh
 
-# This script is part of Bakefile (http://bakefile.sf.net) autoconf script.
-# It is used to track C/C++ files dependencies in portable way.
+# This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
+# script. It is used to track C/C++ files dependencies in portable way.
 #
 # Permission is given to use this file in any way.
 
@@ -1632,6 +1632,96 @@ AC_DEFUN(AC_BAKEFILE_RES_COMPILERS,
     AC_SUBST(SETFILE)
 ])
 
+dnl ---------------------------------------------------------------------------
+dnl AC_BAKEFILE_PRECOMP_HEADERS
+dnl
+dnl Check for precompiled headers support (GCC >= 3.4)
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN(AC_BAKEFILE_PRECOMP_HEADERS,
+[
+
+    AC_ARG_ENABLE([precomp-headers],
+                  [  --disable-precomp-headers  don't use precompiled headers even if compiler can],
+                  [bk_use_pch="$enableval"])
+
+    GCC_PCH=0
+
+    if test "x$bk_use_pch" = "x" -o "x$bk_use_pch" = "xyes" ; then
+        if test "x$GCC" = "xyes"; then
+            dnl test if we have gcc-3.4:
+            AC_MSG_CHECKING([if the compiler supports precompiled headers])
+            AC_TRY_COMPILE([],
+                [
+                    #if !defined(__GNUC__) || !defined(__GNUC_MINOR__) || \
+                        (__GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
+                            #error "no pch support"
+                    #endif
+                ],
+                [
+                    AC_MSG_RESULT([yes])
+                    dnl FIXME - this is temporary, till .gch dependencies 
+                    dnl         are fixed in generated Makefiles
+                    CPPFLAGS="-fpch-deps $CPPFLAGS"
+                    GCC_PCH=1
+                ],
+                [
+                    AC_MSG_RESULT([no])
+                ])
+            if test $GCC_PCH = 1 ; then
+                cat <<EOF >bk-make-pch
+#!/bin/sh
+
+# This script is part of Bakefile (http://bakefile.sourceforge.net) autoconf
+# script. It is used to generated precompiled headers.
+#
+# Permission is given to use this file in any way.
+
+outfile="\${1}"
+header="\${2}"
+shift
+shift
+
+compiler=
+headerfile=
+while test \${#} -gt 0; do
+    case "\${1}" in
+        -I* )
+            incdir=\`echo \${1} | sed -e 's/-I\(.*\)/\1/g'\`
+            if test "x\${headerfile}" = "x" -a -f "\${incdir}/\${header}" ; then
+                headerfile="\${incdir}/\${header}"
+            fi
+        ;;
+    esac
+    compiler="\${compiler} \${1}"
+    shift
+done
+
+if test "x\${headerfile}" = "x" ; then
+    echo "error: can't find header \${header} in include paths" >2
+else
+    if test -f \${outfile} ; then
+        rm -f \${outfile}
+    else
+        mkdir -p \`dirname \${outfile}\`
+    fi
+    depsfile=".deps/\`basename \${outfile}\`.d"
+    mkdir -p .deps
+    # can do this because gcc is >= 3.4:
+    \${compiler} -o \${outfile} -MMD -MF "\${depsfile}" "\${headerfile}"
+    exit \${?}
+fi
+EOF
+                chmod +x bk-make-pch
+            fi
+        fi
+    fi
+
+    AC_SUBST(GCC_PCH)
+])
+
+
+
 dnl ---------------------------------------------------------------------------
 dnl AC_BAKEFILE
 dnl