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From 86fc0d43cdcf3232ae0e4e6f4f28cf8f1a45ede5 Mon Sep 17 00:00:00 2001
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From: Benjamin Reed <rangerrick@befunk.com>
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Date: Tue, 19 Feb 2008 17:37:37 +0100
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Subject: [PATCH 04/13] This patch adds support for using -isystem to allow putting an include
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directory at the end of the compiler's header search path.
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I don't have the exact output anymore (I've since patched Qt's configure) but
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essentially, since I have pcre.h in /opt/kde4-deps/include, it was
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conflicting with Qt's (modified) pcre.h in the WebKit bits, since
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-I /opt/kde4-deps/include ends up in CXXFLAGS in the generated makefiles, it
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comes *before* the specific locations in INCPATH on the compile line, and you
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end up with a conflict with the system-installed pcre.h.
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Presumably, if your pcre.h is in /usr/include as on most Linux systems, you
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wouldn't notice this issue since /usr/include's already in your include path
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and people likely don't pass -I /usr/include to configure. I suspect that on
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any platform with a regular, system-installed pcre.h (or clucene headers),
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adding -I /usr/include would exhibit this bug, just as a custom-installed
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pcre/clucene in another root would.
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qt-bugs@ issue : 199610
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Trolltech task ID :
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bugs.kde.org number :
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---
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configure | 8 ++++++++
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1 files changed, 8 insertions(+), 0 deletions(-)
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diff --git a/configure b/configure
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index 2c108ad..610a201 100755
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--- a/configure
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+++ b/configure
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@@ -927,6 +927,11 @@ while [ "$#" -gt 0 ]; do
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VAL=`echo $1 | sed 's,-D,,'`
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fi
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;;
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+ -isystem)
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+ VAR="add_isystempath"
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+ shift
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+ VAL="$1"
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+ ;;
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-I?*|-I)
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VAR="add_ipath"
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if [ "$1" = "-I" ]; then
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@@ -1890,6 +1895,9 @@ while [ "$#" -gt 0 ]; do
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add_ipath)
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I_FLAGS="$I_FLAGS -I\"${VAL}\""
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;;
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+ add_isystempath)
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+ I_FLAGS="$I_FLAGS -isystem \"${VAL}\""
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+ ;;
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add_lpath)
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L_FLAGS="$L_FLAGS -L\"${VAL}\""
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;;
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--
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1.6.5.1
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