Add build support for ELF modules. Useless at the moment because there is no x86 relocation logic

17 files changed, 344 insertions, 0 deletions

diff --git a/nuttx/configs/sim/configdata/Make.defs b/nuttx/configs/sim/configdata/Make.defs
index 102620785..c5d45c9a6 100644
--- a/nuttx/configs/sim/configdata/Make.defs
+++ b/nuttx/configs/sim/configdata/Make.defs
@@ -76,6 +76,20 @@ CXXFLAGS = $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGSXX) $(ARCHINCLUDE
 CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS = $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT = .o
 LIBEXT = .a
 
diff --git a/nuttx/configs/sim/cxxtest/Make.defs b/nuttx/configs/sim/cxxtest/Make.defs
index 6ef9cb83f..96b6351d7 100644
--- a/nuttx/configs/sim/cxxtest/Make.defs
+++ b/nuttx/configs/sim/cxxtest/Make.defs
@@ -82,6 +82,20 @@ CXXFLAGS = $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS = $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT = .o
 LIBEXT = .a
 
diff --git a/nuttx/configs/sim/mount/Make.defs b/nuttx/configs/sim/mount/Make.defs
index 833596b31..3bf0cb816 100644
--- a/nuttx/configs/sim/mount/Make.defs
+++ b/nuttx/configs/sim/mount/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/mtdpart/Make.defs b/nuttx/configs/sim/mtdpart/Make.defs
index 1a142f35a..ab3740f8c 100644
--- a/nuttx/configs/sim/mtdpart/Make.defs
+++ b/nuttx/configs/sim/mtdpart/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/nettest/Make.defs b/nuttx/configs/sim/nettest/Make.defs
index ff645f3cb..1e95b3df1 100644
--- a/nuttx/configs/sim/nettest/Make.defs
+++ b/nuttx/configs/sim/nettest/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/nsh/Make.defs b/nuttx/configs/sim/nsh/Make.defs
index 52c70c420..36ec98e16 100644
--- a/nuttx/configs/sim/nsh/Make.defs
+++ b/nuttx/configs/sim/nsh/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/nsh2/Make.defs b/nuttx/configs/sim/nsh2/Make.defs
index 48ac1f106..7af5485c0 100644
--- a/nuttx/configs/sim/nsh2/Make.defs
+++ b/nuttx/configs/sim/nsh2/Make.defs
@@ -79,6 +79,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/nx/Make.defs b/nuttx/configs/sim/nx/Make.defs
index 1d2cd7f69..d10af6169 100644
--- a/nuttx/configs/sim/nx/Make.defs
+++ b/nuttx/configs/sim/nx/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/nx11/Make.defs b/nuttx/configs/sim/nx11/Make.defs
index 000f56ce8..ff199d242 100644
--- a/nuttx/configs/sim/nx11/Make.defs
+++ b/nuttx/configs/sim/nx11/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/nxffs/Make.defs b/nuttx/configs/sim/nxffs/Make.defs
index 90e9dc9fc..a6507ab71 100644
--- a/nuttx/configs/sim/nxffs/Make.defs
+++ b/nuttx/configs/sim/nxffs/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/nxlines/Make.defs b/nuttx/configs/sim/nxlines/Make.defs
index c391850b4..f9cced7f3 100644
--- a/nuttx/configs/sim/nxlines/Make.defs
+++ b/nuttx/configs/sim/nxlines/Make.defs
@@ -76,6 +76,20 @@ CXXFLAGS = $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGSXX) $(ARCHINCLUDE
 CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS = $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT = .o
 LIBEXT = .a
 
diff --git a/nuttx/configs/sim/nxwm/Make.defs b/nuttx/configs/sim/nxwm/Make.defs
index 2840cf189..14ff9f913 100644
--- a/nuttx/configs/sim/nxwm/Make.defs
+++ b/nuttx/configs/sim/nxwm/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/ostest/Make.defs b/nuttx/configs/sim/ostest/Make.defs
index ce3b24ae6..d1822c94c 100644
--- a/nuttx/configs/sim/ostest/Make.defs
+++ b/nuttx/configs/sim/ostest/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS = $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS = $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT = .o
 LIBEXT = .a
 
diff --git a/nuttx/configs/sim/pashello/Make.defs b/nuttx/configs/sim/pashello/Make.defs
index 3ce6b9406..ecef2295a 100644
--- a/nuttx/configs/sim/pashello/Make.defs
+++ b/nuttx/configs/sim/pashello/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/configs/sim/scripts/gnu-elf.ld b/nuttx/configs/sim/scripts/gnu-elf.ld
new file mode 100644
index 000000000..f3cba363a
--- /dev/null
+++ b/nuttx/configs/sim/scripts/gnu-elf.ld
@@ -0,0 +1,133 @@
+/****************************************************************************
+ * configs/sim/scripts/gnu-elf.ld
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+OUTPUT_FORMAT(elf32-i386)
+OUTPUT_ARCH(i386)
+TARGET(elf32-i386)
+ENTRY(main)
+SECTIONS
+{
+  .text 0x00000000 :
+    {
+      _stext = . ;
+      *(.text)
+      *(.text.*)
+      *(.gnu.warning)
+      *(.stub)
+      *(.glue_7)
+      *(.glue_7t)
+      *(.jcr)
+
+      /* C++ support:  The .init and .fini sections contain specific logic
+       * to manage static constructors and destructors.
+       */
+
+      *(.gnu.linkonce.t.*)
+      *(.init)             /* Old ABI */
+      *(.fini)             /* Old ABI */
+      _etext = . ;
+    }
+
+  .rodata :
+    {
+      _srodata = . ;
+      *(.rodata)
+      *(.rodata1)
+      *(.rodata.*)
+      *(.gnu.linkonce.r*)
+      _erodata = . ;
+    }
+
+  .data :
+    {
+      _sdata = . ;
+      *(.data)
+      *(.data1)
+      *(.data.*)
+      *(.gnu.linkonce.d*)
+      _edata = . ;
+    }
+
+  /* C++ support. For each global and static local C++ object,
+   * GCC creates a small subroutine to construct the object. Pointers
+   * to these routines (not the routines themselves) are stored as
+   * simple, linear arrays in the .ctors section of the object file.
+   * Similarly, pointers to global/static destructor routines are
+   * stored in .dtors.
+   */
+
+  .ctors :
+    {
+      _sctors = . ;
+      *(.ctors)       /* Old ABI:  Unallocated */
+      *(.init_array)  /* New ABI:  Allocated */
+      _edtors = . ;
+    }
+
+  .dtors :
+    {
+      _sdtors = . ;
+      *(.dtors)       /* Old ABI:  Unallocated */
+      *(.fini_array)  /* New ABI:  Allocated */
+      _edtors = . ;
+    }
+
+  .bss :
+    {
+      _sbss = . ;
+      *(.bss)
+      *(.bss.*)
+      *(.sbss)
+      *(.sbss.*)
+      *(.gnu.linkonce.b*)
+      *(COMMON)
+      _ebss = . ;
+    }
+
+    /* Stabs debugging sections.    */
+
+    .stab 0 : { *(.stab) }
+    .stabstr 0 : { *(.stabstr) }
+    .stab.excl 0 : { *(.stab.excl) }
+    .stab.exclstr 0 : { *(.stab.exclstr) }
+    .stab.index 0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment 0 : { *(.comment) }
+    .debug_abbrev 0 : { *(.debug_abbrev) }
+    .debug_info 0 : { *(.debug_info) }
+    .debug_line 0 : { *(.debug_line) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    .debug_aranges 0 : { *(.debug_aranges) }
+}
diff --git a/nuttx/configs/sim/touchscreen/Make.defs b/nuttx/configs/sim/touchscreen/Make.defs
index 29090dda8..ebfa17eb6 100644
--- a/nuttx/configs/sim/touchscreen/Make.defs
+++ b/nuttx/configs/sim/touchscreen/Make.defs
@@ -78,6 +78,20 @@ CXXFLAGS		= $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+
+# ELF module definitions
+
+CELFFLAGS = $(CFLAGS)
+CXXELFFLAGS = $(CXXFLAGS)
+
+LDELFFLAGS = -r -e main
+ifeq ($(WINTOOL),y)
+  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
+else
+  LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
+endif
+
+
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/nuttx/tools/.gitignore b/nuttx/tools/.gitignore
index 042ebf1ff..6a5570806 100644
--- a/nuttx/tools/.gitignore
+++ b/nuttx/tools/.gitignore
@@ -1,6 +1,7 @@
 /b16
 /bdf-converter
 /cmpconfig
+/configure
 /mkconfig
 /mkdeps
 /mksymtab