Correct shell "if" syntax

Author: eschnett

bin/mpicc.in

@@ -70,9 +70,9 @@ for arg in "$@"; do
     fi
 done
 
-if !$linking; then
+if [ $linking != true ]; then
     exec $MPITRAMPOLINE_CC $MPITRAMPOLINE_CFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ "$@"
-elif !$add_rpath; then
+elif [ $add_rpath != true ]; then
     exec $MPITRAMPOLINE_CC $MPITRAMPOLINE_CFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ @LINK_FLAGS@ -L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ "$@" -lmpitrampoline -ldl
 else
     exec $MPITRAMPOLINE_CC $MPITRAMPOLINE_CFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ @LINK_FLAGS@ -L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ -Wl,-rpath,@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ "$@" -lmpitrampoline -ldl

bin/mpicxx.in

@@ -70,9 +70,9 @@ for arg in "$@"; do
     fi
 done
 
-if !$linking; then
+if [ $linking != true ]; then
     exec $MPITRAMPOLINE_CXX $MPITRAMPOLINE_CXXFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ "$@"
-elif !$add_rpath; then
+elif [ $add_rpath != true ]; then
     exec $MPITRAMPOLINE_CXX $MPITRAMPOLINE_CXXFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ @LINK_FLAGS@ -L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ "$@" -lmpitrampoline -ldl
 else
     exec $MPITRAMPOLINE_CXX $MPITRAMPOLINE_CXXFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ @LINK_FLAGS@ -L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ -Wl,-rpath,@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ "$@" -lmpitrampoline -ldl

bin/mpifc.in

@@ -70,9 +70,9 @@ for arg in "$@"; do
     fi
 done
 
-if !$linking; then
+if [ $linking != true ]; then
     exec $MPITRAMPOLINE_FC $MPITRAMPOLINE_FCFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ "$@"
-elif !$add_rpath; then
+elif [ $add_rpath != true ]; then
     exec $MPITRAMPOLINE_FC $MPITRAMPOLINE_FCFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ @LINK_FLAGS@ -L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ "$@" -lmpitrampoline -ldl
 else
     exec $MPITRAMPOLINE_FC $MPITRAMPOLINE_FCFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ @LINK_FLAGS@ -L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ -Wl,-rpath,@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ "$@" -lmpitrampoline -ldl

bin/mpifort.in

@@ -70,9 +70,9 @@ for arg in "$@"; do
     fi
 done
 
-if !$linking; then
+if [ $linking != true ]; then
     exec $MPITRAMPOLINE_FC $MPITRAMPOLINE_FCFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ "$@"
-elif !$add_rpath; then
+elif [ $add_rpath != true ]; then
     exec $MPITRAMPOLINE_FC $MPITRAMPOLINE_FCFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ @LINK_FLAGS@ -L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ "$@" -lmpitrampoline -ldl
 else
     exec $MPITRAMPOLINE_FC $MPITRAMPOLINE_FCFLAGS -I@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@ @LINK_FLAGS@ -L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ -Wl,-rpath,@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ "$@" -lmpitrampoline -ldl