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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrey Borzenkov <arvidjaar@gmail.com>
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Date: Sat, 18 Jan 2014 19:50:54 +0400
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Subject: [PATCH] reintroduce BUILD_LDFLAGS for the cross-compile case
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This allows providing separate LDFLAGS for build and host environments, which
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are not necessary the same for cross-compile case. In particular, it allows
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building host programs statically to not depend on presence of libraries at
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run-time (e.g. MinGW DLLs on Windows) while continue to use default dynamic
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linking at build time.
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Also fix obsolete comments in confgure.ac - we do use different environment
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for build and host now.
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---
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configure.ac | 13 ++++++++-----
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Makefile.am | 8 ++++----
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ChangeLog | 7 +++++++
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INSTALL | 3 ++-
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grub-core/Makefile.am | 6 +++---
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5 files changed, 24 insertions(+), 13 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index 7c5d080b8a2..2e4cf3c2e22 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -26,11 +26,10 @@ dnl This is necessary because the target type in autoconf does not
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dnl describe such a system very well.
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dnl
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dnl The current strategy is to use variables with no prefix (such as
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-dnl CC, CFLAGS, etc.) for the host type as well as the build type,
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-dnl because GRUB does not need to use those variables for the build
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-dnl type, so there is no conflict. Variables with the prefix "TARGET_"
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-dnl (such as TARGET_CC, TARGET_CFLAGS, etc.) are used for the target
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-dnl type.
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+dnl CC, CFLAGS, etc.) for the host type, variables with prefix "BUILD_"
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+dnl (such as BUILD_CC, BUILD_CFLAGS, etc.) for the build type and variables
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+dnl with the prefix "TARGET_" (such as TARGET_CC, TARGET_CFLAGS, etc.) are
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+dnl used for the target type. See INSTALL for full list of variables.
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AC_INIT([GRUB],[2.02~beta2],[bug-grub@gnu.org])
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@@ -477,6 +476,7 @@ AC_SUBST(HOST_CC)
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AC_SUBST(BUILD_CC)
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AC_SUBST(BUILD_CFLAGS)
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AC_SUBST(BUILD_CPPFLAGS)
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+AC_SUBST(BUILD_LDFLAGS)
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AC_SUBST(TARGET_CC)
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AC_SUBST(TARGET_NM)
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AC_SUBST(TARGET_RANLIB)
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@@ -1290,10 +1290,12 @@ SAVED_CC="$CC"
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SAVED_CPP="$CPP"
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SAVED_CFLAGS="$CFLAGS"
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SAVED_CPPFLAGS="$CPPFLAGS"
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+SAVED_LDFLAGS="$LDFLAGS"
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CC="$BUILD_CC"
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CPP="$BUILD_CPP"
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CFLAGS="$BUILD_CFLAGS"
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CPPFLAGS="$BUILD_CPPFLAGS"
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+LDFLAGS="$BUILD_LDFAGS"
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unset ac_cv_c_bigendian
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unset ac_cv_header_ft2build_h
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@@ -1356,6 +1358,7 @@ CC="$SAVED_CC"
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CPP="$SAVED_CPP"
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CFLAGS="$SAVED_CFLAGS"
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CPPFLAGS="$SAVED_CPPFLAGS"
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+LDFLAGS="$SAVED_LDFLAGS"
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DJVU_FONT_SOURCE=
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diff --git a/Makefile.am b/Makefile.am
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index 320e86f8f55..1bbec0e79d3 100644
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--- a/Makefile.am
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+++ b/Makefile.am
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@@ -67,20 +67,20 @@ endif
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starfield_theme_files = $(srcdir)/themes/starfield/blob_w.png $(srcdir)/themes/starfield/boot_menu_c.png $(srcdir)/themes/starfield/boot_menu_e.png $(srcdir)/themes/starfield/boot_menu_ne.png $(srcdir)/themes/starfield/boot_menu_n.png $(srcdir)/themes/starfield/boot_menu_nw.png $(srcdir)/themes/starfield/boot_menu_se.png $(srcdir)/themes/starfield/boot_menu_s.png $(srcdir)/themes/starfield/boot_menu_sw.png $(srcdir)/themes/starfield/boot_menu_w.png $(srcdir)/themes/starfield/slider_c.png $(srcdir)/themes/starfield/slider_n.png $(srcdir)/themes/starfield/slider_s.png $(srcdir)/themes/starfield/starfield.png $(srcdir)/themes/starfield/terminal_box_c.png $(srcdir)/themes/starfield/terminal_box_e.png $(srcdir)/themes/starfield/terminal_box_ne.png $(srcdir)/themes/starfield/terminal_box_n.png $(srcdir)/themes/starfield/terminal_box_nw.png $(srcdir)/themes/starfield/terminal_box_se.png $(srcdir)/themes/starfield/terminal_box_s.png $(srcdir)/themes/starfield/terminal_box_sw.png $(srcdir)/themes/starfield/terminal_box_w.png $(srcdir)/themes/starfield/theme.txt $(srcdir)/themes/starfield/README $(srcdir)/themes/starfield/COPYING.CC-BY-SA-3.0
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build-grub-mkfont: util/grub-mkfont.c grub-core/unidata.c grub-core/kern/emu/misc.c util/misc.c
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- $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-mkfont\" $^ $(build_freetype_cflags) $(build_freetype_libs)
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+ $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-mkfont\" $^ $(build_freetype_cflags) $(build_freetype_libs)
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CLEANFILES += build-grub-mkfont
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garbage-gen: util/garbage-gen.c
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- $(BUILD_CC) -o $@ $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $^
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+ $(BUILD_CC) -o $@ $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) $^
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CLEANFILES += garbage-gen
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EXTRA_DIST += util/garbage-gen.c
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build-grub-gen-asciih: util/grub-gen-asciih.c
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- $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 $^ $(build_freetype_cflags) $(build_freetype_libs) -Wall -Werror
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+ $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 $^ $(build_freetype_cflags) $(build_freetype_libs) -Wall -Werror
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CLEANFILES += build-grub-gen-asciih
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build-grub-gen-widthspec: util/grub-gen-widthspec.c
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- $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 $^ $(build_freetype_cflags) $(build_freetype_libs) -Wall -Werror
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+ $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_MKFONT=1 -DGRUB_BUILD=1 -DGRUB_UTIL=1 $^ $(build_freetype_cflags) $(build_freetype_libs) -Wall -Werror
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CLEANFILES += build-grub-gen-widthspec
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if COND_STARFIELD
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diff --git a/ChangeLog b/ChangeLog
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index 8534158b6c0..9c3ef2e2150 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,10 @@
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+2014-01-07 Andrey Borzenkov <arvidjaar@gmail.com>
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+
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+ * configure.ac: Add support for BUILD_LDFLAGS.
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+ * Makefile.am: Use BUILD_LDFLAGS for build time programs here ...
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+ * grub-core/Makefile.am: ... and here.
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+ * INSTALL: Mention BUILD_LDFLAGS.
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+
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2014-01-18 Vladimir Serbinenko <phcoder@gmail.com>
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* util/grub-mount.c: Extend GCC warning workaround to grub-mount.
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diff --git a/INSTALL b/INSTALL
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index db12530dff3..b67cd7f3476 100644
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--- a/INSTALL
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+++ b/INSTALL
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@@ -168,7 +168,8 @@ corresponding platform are not needed for the platform in question.
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generate sin and cos tables.
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2. BUILD_CFLAGS= for C options for build.
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3. BUILD_CPPFLAGS= for C preprocessor options for build.
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- 4. BUILD_FREETYPE= for freetype-config for build (optional).
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+ 4. BUILD_LDFLAGS= for linker options for build.
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+ 5. BUILD_FREETYPE= for freetype-config for build (optional).
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- For host
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1. --host= to autoconf name of host.
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diff --git a/grub-core/Makefile.am b/grub-core/Makefile.am
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index 1b3142d2160..13b7979106f 100644
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--- a/grub-core/Makefile.am
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+++ b/grub-core/Makefile.am
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@@ -27,14 +27,14 @@ CPPFLAGS_LIBRARY += $(CPPFLAGS_PLATFORM)
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CCASFLAGS_LIBRARY += $(CCASFLAGS_PLATFORM)
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build-grub-pep2elf: $(top_srcdir)/util/grub-pe2elf.c $(top_srcdir)/grub-core/kern/emu/misc.c $(top_srcdir)/util/misc.c
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- $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_BUILD=1 -DGRUB_TARGET_WORDSIZE=64 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-pep2elf\" $^
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+ $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_BUILD=1 -DGRUB_TARGET_WORDSIZE=64 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-pep2elf\" $^
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build-grub-pe2elf: $(top_srcdir)/util/grub-pe2elf.c $(top_srcdir)/grub-core/kern/emu/misc.c $(top_srcdir)/util/misc.c
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- $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -DGRUB_BUILD=1 -DGRUB_TARGET_WORDSIZE=32 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-pe2elf\" $^
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+ $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) -DGRUB_BUILD=1 -DGRUB_TARGET_WORDSIZE=32 -DGRUB_UTIL=1 -DGRUB_BUILD_PROGRAM_NAME=\"build-grub-pe2elf\" $^
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# gentrigtables
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gentrigtables: gentrigtables.c
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- $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $< $(BUILD_LIBM)
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+ $(BUILD_CC) -o $@ -I$(top_srcdir)/include $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) $(BUILD_LDFLAGS) $< $(BUILD_LIBM)
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CLEANFILES += gentrigtables
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# trigtables.c
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