diff options
| -rw-r--r-- | src/Makefile.global | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/src/Makefile.global b/src/Makefile.global index 4622818704b..31b0d831686 100644 --- a/src/Makefile.global +++ b/src/Makefile.global @@ -7,7 +7,7 @@ # # # IDENTIFICATION -# $Header: /cvsroot/pgsql/src/Attic/Makefile.global,v 1.67 1996/11/14 00:26:23 momjian Exp $ +# $Header: /cvsroot/pgsql/src/Attic/Makefile.global,v 1.68 1996/11/14 07:19:26 bryanh Exp $ # # NOTES # Essentially all Postgres make files include this file and use the @@ -133,12 +133,8 @@ OIDNAMELEN= 36 # Compile libpq++ #HAVE_Cplusplus= true -# Set COPT to -O for optimization, or -g for debuggable binaries -# Many people prefer -O2, and -m486 if you are using a i486 or better -# Use -Werror to stop the compile when any warnings occur -COPT= -O #-Werror -# Commenting out CASSERT will make things go about 10% faster, but you will +# Commenting out CASSERT will make things go a LOT faster, but you will # also loose a lot of useful error-checking. CASSERT= true @@ -554,8 +550,6 @@ endif ifeq ($(PORTNAME), irix5) MK_PORT= irix5 -CC= cc - CFLAGS_BE+= -DUSE_POSIX_SIGNALS # RANLIB is not used on IRIX 5 @@ -596,6 +590,8 @@ LDFLAGS+= -rdynamic endif MK_NO_LORDER= true +CC= gcc + # use the regex library USE_REGEX= 1 @@ -740,10 +736,48 @@ endif # This goes here so that customization in Makefile.custom is effective ############################################################################## # -# Flags for CC and LD. (depend on COPT and PROFILE) -# +# Flags for CC and LD. + +############################################################################## +# COPT +# +# COPT is for options that the sophisticated builder might want to vary +# from one build to the next, like options to build Postgres with debugging +# information included. COPT is meant to be set on the make command line, +# for example with the command "make COPT=-g". The value you see set here +# is the default that gets used if the builder does not give a value for +# COPT on his make command. +# +# There is a nonobvious relationship between -O (optimization) and +# -Werror (consider all warnings fatal). On some systems, if you don't +# optimize, you will always get some warnings because the system header +# files will include some unreferenced functions in the code. These are +# functions that are supposed to be inline, so there wouldn't ordinarily +# be an "unreferenced" problem, but if you don't enable optimization, no +# inlining can happen, and hence the problem. Therefore, we include +# if you override -O, you override -Werror as well. +# +# CUSTOM_COPT is something the user may set in Makefile.custom + +# Common values for COPT are: -g for debuggable binaries, -m486 if you are +# using a i486 or better. + +ifneq ($(CUSTOM_COPT),) +COPT= $(CUSTOM_COPT) +else +ifeq ($(CC), gcc) +COPT= -O2 -Werror +else +COPT= -O +endif +endif + + +ifeq ($(CC), gcc) +# Some flags only gcc recognizes... # PostgreSQL should *always* compile with these enabled CFLAGS+= -Wall -Wmissing-prototypes +endif # Globally pass debugging/optimization/profiling flags based # on the options selected above. |