For some reason, we still had at least GrowlMail's target set to a deployment target of 10.3, and its SDK unset except on x86. Fixing these: The project now uses the 10.4u SDK, and the target's deployment target is now 10.4 on all configurations.
This fixes the PowerPC crash for me—for real, this time.
1.1 --- a/Extras/GrowlMail/GrowlMail.xcodeproj/project.pbxproj Mon Jun 08 11:56:13 2009 -0700
1.2 +++ b/Extras/GrowlMail/GrowlMail.xcodeproj/project.pbxproj Thu Jun 11 22:47:53 2009 -0700
1.3 @@ -724,7 +724,7 @@
1.4 INFOPLIST_FILE = Info.plist;
1.5 INSTALL_PATH = "$(HOME)/Library/Mail/Bundles";
1.6 LIBRARY_STYLE = BUNDLE;
1.7 - MACOSX_DEPLOYMENT_TARGET = 10.3;
1.8 + MACOSX_DEPLOYMENT_TARGET = 10.4;
1.9 OTHER_LDFLAGS = (
1.10 "-undefined",
1.11 dynamic_lookup,
1.12 @@ -772,7 +772,7 @@
1.13 INFOPLIST_FILE = Info.plist;
1.14 INSTALL_PATH = "$(HOME)/Library/Mail/Bundles";
1.15 LIBRARY_STYLE = BUNDLE;
1.16 - MACOSX_DEPLOYMENT_TARGET = 10.3;
1.17 + MACOSX_DEPLOYMENT_TARGET = 10.4;
1.18 OTHER_LDFLAGS = (
1.19 "-undefined",
1.20 dynamic_lookup,
1.21 @@ -851,8 +851,7 @@
1.22 );
1.23 DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
1.24 GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
1.25 - MACOSX_DEPLOYMENT_TARGET_i386 = 10.4;
1.26 - SDKROOT_i386 = /Developer/SDKs/MacOSX10.4u.sdk;
1.27 + SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
1.28 };
1.29 name = Development;
1.30 };
1.31 @@ -867,8 +866,7 @@
1.32 DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
1.33 DEPLOYMENT_POSTPROCESSING = YES;
1.34 GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
1.35 - MACOSX_DEPLOYMENT_TARGET_i386 = 10.4;
1.36 - SDKROOT_i386 = /Developer/SDKs/MacOSX10.4u.sdk;
1.37 + SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
1.38 SEPARATE_STRIP = YES;
1.39 STRIP_INSTALLED_PRODUCT = YES;
1.40 };
1.41 @@ -883,8 +881,7 @@
1.42 );
1.43 DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
1.44 GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
1.45 - MACOSX_DEPLOYMENT_TARGET_i386 = 10.4;
1.46 - SDKROOT_i386 = /Developer/SDKs/MacOSX10.4u.sdk;
1.47 + SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
1.48 };
1.49 name = "Deployment - Tiger - G4";
1.50 };