Re: Intel 8.x, 9.x -cxxlib-nostd change, was: Re: [PATCH] crtxn.o (Intel C++ 9.0) -> crtend.o (Intel C++ 9.1)
Liviu Nicoara wrote: Here it is. I have grouped the options which required change together. I could not test the change with 8.1 and 9.0 compilers but I will do that as soon as our sysadmins resolve my account issues. On a side note: I could not detect any changes brought in by the -Xc option which I believe to be misspelled and ignored by the compiler driver. OTOH -X is omitting the standard include paths. IIRC, -Xc was a conformance option in earlier versions. It's accepted but ignored in 9.x so we could probably remove it. I'd need to go back and pull up the old docs and the discussion with Intel where they point it out. 2007-02-19 lnicoara <[EMAIL PROTECTED]> * etc/config/icc.config Changed build process for post-8.1 compilers to use the yet undocumented -cxxlib-nostd option. Looks good to me. Thanks! Martin
Intel 8.x, 9.x -cxxlib-nostd change, was: Re: [PATCH] crtxn.o (Intel C++ 9.0) -> crtend.o (Intel C++ 9.1)
Here it is. I have grouped the options which required change together. I could not test the change with 8.1 and 9.0 compilers but I will do that as soon as our sysadmins resolve my account issues. On a side note: I could not detect any changes brought in by the -Xc option which I believe to be misspelled and ignored by the compiler driver. OTOH -X is omitting the standard include paths. 2007-02-19 lnicoara <[EMAIL PROTECTED]> * etc/config/icc.config Changed build process for post-8.1 compilers to use the yet undocumented -cxxlib-nostd option. Liviu Index: etc/config/icc.config === --- etc/config/icc.config (revision 509218) +++ etc/config/icc.config (working copy) @@ -15,8 +15,11 @@ endif CCVER := $(shell $(CXX) -V foo.c 2>&1 | sed -n "s/.*Version *\([0-9.]*\).*/\1/p") +CXX_MAJOR := $(shell echo "$(CCVER)" | sed "s/^\([1-9][0-9]*\).*/\1/") +CXX_MINOR := $(shell echo "$(CCVER)" | sed "s/[1-9]*\.\([0-9]*\).*/\1/") + + CPPFLAGS= -I$(TOPDIR)/include/ansi -CXXFLAGS= -Xc -no_cpprt WARNFLAGS = -w1 PHWARNFLAGS = @@ -26,11 +29,22 @@ ICCDIR = `which $(CXX) | sed 's:bin/$(CXX):lib:'` -LD = $(CXX) -no_cpprt $(ICCDIR)/crtxi.o -LDFLAGS = LDSOFLAGS = -shared -LDLIBS = -Bstatic -lcxa -lunwind -Bdynamic $(ICCDIR)/crtxn.o +# -cxxlib-nostd, present in all compilers since 8.1, will be documented in 10.x +ifeq ($(shell [ $(CXX_MAJOR) -gt 8 -o $(CXX_MAJOR) -eq 8 -a $(CXX_MINOR) -ge 1 ]), 0) + LD= $(CXX) -no_cpprt $(ICCDIR)/crtxi.o + CXXFLAGS = -Xc -no_cpprt + LDFLAGS = + LDLIBS= -Bstatic -lcxa -lunwind -Bdynamic $(ICCDIR)/crtxn.o +else + LD= $(CXX) + CXXFLAGS = -cxxlib-nostd + LDFLAGS = -cxxlib-nostd + LDLIBS= -lcxaguard -lsupc++ +endif + + # The flag(s) to use to embed a library search path into generated executables. RPATH = -Wl,-R
Re: [PATCH] crtxn.o (Intel C++ 9.0) -> crtend.o (Intel C++ 9.1)
Liviu Nicoara wrote: Liviu Nicoara wrote: Martin Sebor wrote: Liviu Nicoara wrote: The diff conditional got truncated in the copy & paste: [...] So does this mean Intel renamed crtxn.o to crtend.o between 9.0 and 9.1? Intel tells me (in issue 355260) they have an undocumented compiler option -cxxlib-nostd that will apparently let us do away with all the special object files and libraries on the link like. [...] Do you think there is value in preserving the former linking for pre-9.x compilers? Make that pre-8.1 compilers (as per the Intel incident). I'd keep it unless it's *really* hard to do just in case someone is using an old version of the compiler. Martin
Re: [PATCH] crtxn.o (Intel C++ 9.0) -> crtend.o (Intel C++ 9.1)
Liviu Nicoara wrote: Martin Sebor wrote: Liviu Nicoara wrote: The diff conditional got truncated in the copy & paste: [...] So does this mean Intel renamed crtxn.o to crtend.o between 9.0 and 9.1? Intel tells me (in issue 355260) they have an undocumented compiler option -cxxlib-nostd that will apparently let us do away with all the special object files and libraries on the link like. [...] Do you think there is value in preserving the former linking for pre-9.x compilers? Make that pre-8.1 compilers (as per the Intel incident). Liviu
Re: [PATCH] crtxn.o (Intel C++ 9.0) -> crtend.o (Intel C++ 9.1)
Martin Sebor wrote: Liviu Nicoara wrote: The diff conditional got truncated in the copy & paste: [...] So does this mean Intel renamed crtxn.o to crtend.o between 9.0 and 9.1? Intel tells me (in issue 355260) they have an undocumented compiler option -cxxlib-nostd that will apparently let us do away with all the special object files and libraries on the link like. I tried it in a manual test a few months ago and it seemed to work fine but I haven't changed icc.config to use it yet. Would you mind checking it out and if it really does work putting together a patch that enables it for 9.0 and beyond? Do you think there is value in preserving the former linking for pre-9.x compilers? Liviu
Re: [PATCH] crtxn.o (Intel C++ 9.0) -> crtend.o (Intel C++ 9.1)
Liviu Nicoara wrote: The diff conditional got truncated in the copy & paste: Liviu Nicoara wrote: [...] +ifeq ($(shell [ $(CXX_MAJOR) -ge 9 -o $(CXX_MAJOR) -eq 9 -a $(CXX_MINOR) -ge 1 ] Here it is again: So does this mean Intel renamed crtxn.o to crtend.o between 9.0 and 9.1? Intel tells me (in issue 355260) they have an undocumented compiler option -cxxlib-nostd that will apparently let us do away with all the special object files and libraries on the link like. I tried it in a manual test a few months ago and it seemed to work fine but I haven't changed icc.config to use it yet. Would you mind checking it out and if it really does work putting together a patch that enables it for 9.0 and beyond? See issue 355260 for more detail: https://premier.intel.com/premier/IssueDetail.aspx?IssueID=355260 Thanks Martin 2007-02-15 lnicoara <[EMAIL PROTECTED]> * etc/config/icc.config Added conditional to handle name differences for crt object between Intel C++ 9.0 and 9.1. Liviu
Re: [PATCH] crtxn.o (Intel C++ 9.0) -> crtend.o (Intel C++ 9.1)
The diff conditional got truncated in the copy & paste: Liviu Nicoara wrote: [...] +ifeq ($(shell [ $(CXX_MAJOR) -ge 9 -o $(CXX_MAJOR) -eq 9 -a $(CXX_MINOR) -ge 1 ] Here it is again: 2007-02-15 lnicoara <[EMAIL PROTECTED]> * etc/config/icc.config Added conditional to handle name differences for crt object between Intel C++ 9.0 and 9.1. Liviu Index: etc/config/icc.config === --- etc/config/icc.config (revision 507945) +++ etc/config/icc.config (working copy) @@ -15,6 +15,10 @@ endif CCVER := $(shell $(CXX) -V foo.c 2>&1 | sed -n "s/.*Version *\([0-9.]*\).*/\1/p") + +CXX_MAJOR := $(shell echo "$(CCVER)" | sed "s/^\([1-9][0-9]*\).*/\1/") +CXX_MINOR := $(shell echo "$(CCVER)" | sed "s/[1-9]*\.\([0-9]*\).*/\1/") + CPPFLAGS= -I$(TOPDIR)/include/ansi CXXFLAGS= -Xc -no_cpprt @@ -29,7 +33,12 @@ LD = $(CXX) -no_cpprt $(ICCDIR)/crtxi.o LDFLAGS = LDSOFLAGS = -shared + +ifeq ($(shell [ $(CXX_MAJOR) -gt 9 -o $(CXX_MAJOR) -eq 9 -a $(CXX_MINOR) -ge 1 ]), 0) LDLIBS = -Bstatic -lcxa -lunwind -Bdynamic $(ICCDIR)/crtxn.o +else +LDLIBS = -Bstatic -lcxa -lunwind -Bdynamic $(ICCDIR)/crtend.o +endif # The flag(s) to use to embed a library search path into generated executables. RPATH = -Wl,-R
[PATCH] crtxn.o (Intel C++ 9.0) -> crtend.o (Intel C++ 9.1)
2007-02-15 lnicoara <[EMAIL PROTECTED]> * etc/config/icc.config: Added conditional to handle name differences for crt object between Intel C++ 9.0 and 9.1. Liviu Index: etc/config/icc.config === --- etc/config/icc.config (revision 507945) +++ etc/config/icc.config (working copy) @@ -15,6 +15,10 @@ endif CCVER := $(shell $(CXX) -V foo.c 2>&1 | sed -n "s/.*Version *\([0-9.]*\).*/\1/p") + +CXX_MAJOR := $(shell echo "$(CCVER)" | sed "s/^\([1-9][0-9]*\).*/\1/") +CXX_MINOR := $(shell echo "$(CCVER)" | sed "s/[1-9]*\.\([0-9]*\).*/\1/") + CPPFLAGS= -I$(TOPDIR)/include/ansi CXXFLAGS= -Xc -no_cpprt @@ -29,7 +33,12 @@ LD = $(CXX) -no_cpprt $(ICCDIR)/crtxi.o LDFLAGS = LDSOFLAGS = -shared + +ifeq ($(shell [ $(CXX_MAJOR) -ge 9 -o $(CXX_MAJOR) -eq 9 -a $(CXX_MINOR) -ge 1 ] LDLIBS = -Bstatic -lcxa -lunwind -Bdynamic $(ICCDIR)/crtxn.o +else +LDLIBS = -Bstatic -lcxa -lunwind -Bdynamic $(ICCDIR)/crtend.o +endif # The flag(s) to use to embed a library search path into generated executables. RPATH = -Wl,-R
