Add /bin/sh to bitcoin-qt.pro - as some filesystems don't have the execute flag.

bitcoin-qt.pro

@@ -83,7 +83,7 @@ contains(BITCOIN_NEED_QT_PLUGINS, 1) {
 # regenerate src/build.h
 !windows || contains(USE_BUILD_INFO, 1) {
     genbuild.depends = FORCE
-    genbuild.commands = cd $$PWD; share/genbuild.sh $$OUT_PWD/build/build.h
+    genbuild.commands = cd $$PWD; /bin/sh share/genbuild.sh $$OUT_PWD/build/build.h
     genbuild.target = $$OUT_PWD/build/build.h
     PRE_TARGETDEPS += $$OUT_PWD/build/build.h
     QMAKE_EXTRA_TARGETS += genbuild

src/makefile.linux-mingw

@@ -70,7 +70,7 @@ OBJS= \
 all: bitcoind.exe
 
 obj/build.h: FORCE
-	../share/genbuild.sh obj/build.h
+	/bin/sh ../share/genbuild.sh obj/build.h
 version.cpp: obj/build.h
 DEFS += -DHAVE_BUILD_INFO
 

src/makefile.osx

@@ -107,7 +107,7 @@ all: bitcoind
 -include obj-test/*.P
 
 obj/build.h: FORCE
-	../share/genbuild.sh obj/build.h
+	/bin/sh ../share/genbuild.sh obj/build.h
 version.cpp: obj/build.h
 DEFS += -DHAVE_BUILD_INFO
 

src/makefile.unix

@@ -119,7 +119,7 @@ all: bitcoind
 -include obj-test/*.P
 
 obj/build.h: FORCE
-	../share/genbuild.sh obj/build.h
+	/bin/sh ../share/genbuild.sh obj/build.h
 version.cpp: obj/build.h
 DEFS += -DHAVE_BUILD_INFO