Processing GNU-style "make variables" - separate CPP flags from C flags

C preprocessor flags get separated from C flags, which has the
advantage that we don't get loads of macro definitions and inclusion
directory specs when linking shared libraries, DSOs and programs.

This is a step to add support for "make variables" when configuring.

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5177)

17 files changed, 77 insertions, 31 deletions

diff --git a/crypto/aes/build.info b/crypto/aes/build.info
index 84c62208f6..102e863675 100644
--- a/crypto/aes/build.info
+++ b/crypto/aes/build.info
@@ -5,11 +5,17 @@ SOURCE[../../libcrypto]=\
 
 GENERATE[aes-ia64.s]=asm/aes-ia64.S
 
-GENERATE[aes-586.s]=asm/aes-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[aes-586.s]=asm/aes-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[aes-586.s]=../perlasm/x86asm.pl
-GENERATE[vpaes-x86.s]=asm/vpaes-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[vpaes-x86.s]=asm/vpaes-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[vpaes-586.s]=../perlasm/x86asm.pl
-GENERATE[aesni-x86.s]=asm/aesni-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[aesni-x86.s]=asm/aesni-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[aesni-586.s]=../perlasm/x86asm.pl
 
 GENERATE[aes-x86_64.s]=asm/aes-x86_64.pl $(PERLASM_SCHEME)
diff --git a/crypto/bf/build.info b/crypto/bf/build.info
index 37a004ea5b..b1e9e8a172 100644
--- a/crypto/bf/build.info
+++ b/crypto/bf/build.info
@@ -2,5 +2,7 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=bf_skey.c bf_ecb.c bf_cfb64.c bf_ofb64.c \
         {- $target{bf_asm_src} -}
 
-GENERATE[bf-586.s]=asm/bf-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[bf-586.s]=asm/bf-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[bf-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl
diff --git a/crypto/bn/build.info b/crypto/bn/build.info
index dbb4196bb3..950464db78 100644
--- a/crypto/bn/build.info
+++ b/crypto/bn/build.info
@@ -11,16 +11,20 @@ INCLUDE[../../libcrypto]=../../crypto/include
 INCLUDE[bn_exp.o]=..
 
 GENERATE[bn-586.s]=asm/bn-586.pl \
-	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[bn-586.s]=../perlasm/x86asm.pl
 GENERATE[co-586.s]=asm/co-586.pl \
-	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[co-586.s]=../perlasm/x86asm.pl
 GENERATE[x86-mont.s]=asm/x86-mont.pl \
-	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[x86-mont.s]=../perlasm/x86asm.pl
 GENERATE[x86-gf2m.s]=asm/x86-gf2m.pl \
-	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+	$(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[x86-gf2m.s]=../perlasm/x86asm.pl
 
 GENERATE[sparcv9a-mont.S]=asm/sparcv9a-mont.pl $(PERLASM_SCHEME)
@@ -49,7 +53,8 @@ GENERATE[rsaz-x86_64.s]=asm/rsaz-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[rsaz-avx2.s]=asm/rsaz-avx2.pl $(PERLASM_SCHEME)
 
 GENERATE[bn-ia64.s]=asm/ia64.S
-GENERATE[ia64-mont.s]=asm/ia64-mont.pl $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[ia64-mont.s]=asm/ia64-mont.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 
 GENERATE[parisc-mont.s]=asm/parisc-mont.pl $(PERLASM_SCHEME)
 
diff --git a/crypto/build.info b/crypto/build.info
index 0d3475071d..a87321949a 100644
--- a/crypto/build.info
+++ b/crypto/build.info
@@ -11,14 +11,16 @@ EXTRA=  ../ms/uplink-x86.pl ../ms/uplink.c ../ms/applink.c \
         ppccpuid.pl pariscid.pl alphacpuid.pl arm64cpuid.pl armv4cpuid.pl
 
 DEPEND[cversion.o]=buildinf.h
-GENERATE[buildinf.h]=../util/mkbuildinf.pl "$(CC) $(CFLAGS_Q)" "$(PLATFORM)"
+GENERATE[buildinf.h]=../util/mkbuildinf.pl "$(CC) $(CFLAGS) $(CPPFLAGS_Q)" "$(PLATFORM)"
 DEPEND[buildinf.h]=../configdata.pm
 
 GENERATE[uplink-x86.s]=../ms/uplink-x86.pl $(PERLASM_SCHEME)
 GENERATE[uplink-x86_64.s]=../ms/uplink-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[uplink-ia64.s]=../ms/uplink-ia64.pl $(PERLASM_SCHEME)
 
-GENERATE[x86cpuid.s]=x86cpuid.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[x86cpuid.s]=x86cpuid.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[x86cpuid.s]=perlasm/x86asm.pl
 
 GENERATE[x86_64cpuid.s]=x86_64cpuid.pl $(PERLASM_SCHEME)
diff --git a/crypto/camellia/build.info b/crypto/camellia/build.info
index fd782724f0..9f8d1e689d 100644
--- a/crypto/camellia/build.info
+++ b/crypto/camellia/build.info
@@ -3,7 +3,9 @@ SOURCE[../../libcrypto]=\
         cmll_ecb.c cmll_ofb.c cmll_cfb.c cmll_ctr.c \
         {- $target{cmll_asm_src} -}
 
-GENERATE[cmll-x86.s]=asm/cmll-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[cmll-x86.s]=asm/cmll-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[cmll-x86.s]=../perlasm/x86asm.pl
 GENERATE[cmll-x86_64.s]=asm/cmll-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[cmllt4-sparcv9.S]=asm/cmllt4-sparcv9.pl $(PERLASM_SCHEME)
diff --git a/crypto/cast/build.info b/crypto/cast/build.info
index f6a25c9a56..1fd0c6f80b 100644
--- a/crypto/cast/build.info
+++ b/crypto/cast/build.info
@@ -2,5 +2,7 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         c_skey.c c_ecb.c {- $target{cast_asm_src} -} c_cfb64.c c_ofb64.c
 
-GENERATE[cast-586.s]=asm/cast-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[cast-586.s]=asm/cast-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[cast-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl
diff --git a/crypto/chacha/build.info b/crypto/chacha/build.info
index f99114c135..a33386cb6f 100644
--- a/crypto/chacha/build.info
+++ b/crypto/chacha/build.info
@@ -1,7 +1,9 @@
 LIBS=../../libcrypto
 SOURCE[../../libcrypto]={- $target{chacha_asm_src} -}
 
-GENERATE[chacha-x86.s]=asm/chacha-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[chacha-x86.s]=asm/chacha-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 GENERATE[chacha-x86_64.s]=asm/chacha-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[chacha-ppc.s]=asm/chacha-ppc.pl $(PERLASM_SCHEME)
 GENERATE[chacha-armv4.S]=asm/chacha-armv4.pl $(PERLASM_SCHEME)
diff --git a/crypto/des/build.info b/crypto/des/build.info
index 707c1e7c69..519db560de 100644
--- a/crypto/des/build.info
+++ b/crypto/des/build.info
@@ -11,7 +11,9 @@ GENERATE[des_enc-sparc.S]=asm/des_enc.m4
 GENERATE[dest4-sparcv9.S]=asm/dest4-sparcv9.pl $(PERLASM_SCHEME)
 INCLUDE[dest4-sparcv9.o]=..
 
-GENERATE[des-586.s]=asm/des-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[des-586.s]=asm/des-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 DEPEND[des-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl
-GENERATE[crypt586.s]=asm/crypt586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[crypt586.s]=asm/crypt586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 DEPEND[crypt586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl
diff --git a/crypto/ec/build.info b/crypto/ec/build.info
index 6840887407..7e5cad40d1 100644
--- a/crypto/ec/build.info
+++ b/crypto/ec/build.info
@@ -8,7 +8,9 @@ SOURCE[../../libcrypto]=\
         ecdsa_ossl.c ecdsa_sign.c ecdsa_vrf.c curve25519.c ecx_meth.c \
         {- $target{ec_asm_src} -}
 
-GENERATE[ecp_nistz256-x86.s]=asm/ecp_nistz256-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[ecp_nistz256-x86.s]=asm/ecp_nistz256-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 
 GENERATE[ecp_nistz256-x86_64.s]=asm/ecp_nistz256-x86_64.pl $(PERLASM_SCHEME)
 
diff --git a/crypto/md5/build.info b/crypto/md5/build.info
index 95e2be880e..d1ea9cfcd2 100644
--- a/crypto/md5/build.info
+++ b/crypto/md5/build.info
@@ -2,7 +2,8 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         md5_dgst.c md5_one.c {- $target{md5_asm_src} -}
 
-GENERATE[md5-586.s]=asm/md5-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[md5-586.s]=asm/md5-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 
 GENERATE[md5-x86_64.s]=asm/md5-x86_64.pl $(PERLASM_SCHEME)
 
diff --git a/crypto/modes/build.info b/crypto/modes/build.info
index b794c5041a..d39b66323e 100644
--- a/crypto/modes/build.info
+++ b/crypto/modes/build.info
@@ -6,8 +6,11 @@ SOURCE[../../libcrypto]=\
 
 INCLUDE[gcm128.o]=..
 
-GENERATE[ghash-ia64.s]=asm/ghash-ia64.pl $(CFLAGS) $(LIB_CFLAGS)
-GENERATE[ghash-x86.s]=asm/ghash-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[ghash-ia64.s]=asm/ghash-ia64.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
+GENERATE[ghash-x86.s]=asm/ghash-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 GENERATE[ghash-x86_64.s]=asm/ghash-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[aesni-gcm-x86_64.s]=asm/aesni-gcm-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[ghash-sparcv9.S]=asm/ghash-sparcv9.pl $(PERLASM_SCHEME)
diff --git a/crypto/poly1305/build.info b/crypto/poly1305/build.info
index dae9aa467d..a990a91719 100644
--- a/crypto/poly1305/build.info
+++ b/crypto/poly1305/build.info
@@ -6,7 +6,9 @@ SOURCE[../../libcrypto]=\
 
 GENERATE[poly1305-sparcv9.S]=asm/poly1305-sparcv9.pl $(PERLASM_SCHEME)
 INCLUDE[poly1305-sparcv9.o]=..
-GENERATE[poly1305-x86.s]=asm/poly1305-x86.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[poly1305-x86.s]=asm/poly1305-x86.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 GENERATE[poly1305-x86_64.s]=asm/poly1305-x86_64.pl $(PERLASM_SCHEME)
 GENERATE[poly1305-ppc.s]=asm/poly1305-ppc.pl $(PERLASM_SCHEME)
 GENERATE[poly1305-ppcfp.s]=asm/poly1305-ppcfp.pl $(PERLASM_SCHEME)
diff --git a/crypto/rc4/build.info b/crypto/rc4/build.info
index 8b1ed0e14e..dc44c0dddc 100644
--- a/crypto/rc4/build.info
+++ b/crypto/rc4/build.info
@@ -2,7 +2,9 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         {- $target{rc4_asm_src} -}
 
-GENERATE[rc4-586.s]=asm/rc4-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[rc4-586.s]=asm/rc4-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[rc4-586.s]=../perlasm/x86asm.pl
 
 GENERATE[rc4-x86_64.s]=asm/rc4-x86_64.pl $(PERLASM_SCHEME)
diff --git a/crypto/rc5/build.info b/crypto/rc5/build.info
index baf8a0effe..6a22594c6d 100644
--- a/crypto/rc5/build.info
+++ b/crypto/rc5/build.info
@@ -2,5 +2,6 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         rc5_skey.c rc5_ecb.c {- $target{rc5_asm_src} -} rc5cfb64.c rc5ofb64.c
 
-GENERATE[rc5-586.s]=asm/rc5-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[rc5-586.s]=asm/rc5-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 DEPEND[rc5-586.s]=../perlasm/x86asm.pl ../perlasm/cbc.pl
diff --git a/crypto/ripemd/build.info b/crypto/ripemd/build.info
index c45050cb29..9dc7a76fc9 100644
--- a/crypto/ripemd/build.info
+++ b/crypto/ripemd/build.info
@@ -2,5 +2,6 @@ LIBS=../../libcrypto
 SOURCE[../../libcrypto]=\
         rmd_dgst.c rmd_one.c {- $target{rmd160_asm_src} -}
 
-GENERATE[rmd-586.s]=asm/rmd-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[rmd-586.s]=asm/rmd-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 DEPEND[rmd-586.s]=../perlasm/x86asm.pl
diff --git a/crypto/sha/build.info b/crypto/sha/build.info
index 728c156ffc..4044b3f3ce 100644
--- a/crypto/sha/build.info
+++ b/crypto/sha/build.info
@@ -3,16 +3,25 @@ SOURCE[../../libcrypto]=\
         sha1dgst.c sha1_one.c sha256.c sha512.c {- $target{sha1_asm_src} -} \
         keccak1600.c
 
-GENERATE[sha1-586.s]=asm/sha1-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[sha1-586.s]=asm/sha1-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[sha1-586.s]=../perlasm/x86asm.pl
-GENERATE[sha256-586.s]=asm/sha256-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[sha256-586.s]=asm/sha256-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[sha256-586.s]=../perlasm/x86asm.pl
-GENERATE[sha512-586.s]=asm/sha512-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[sha512-586.s]=asm/sha512-586.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[sha512-586.s]=../perlasm/x86asm.pl
 
-GENERATE[sha1-ia64.s]=asm/sha1-ia64.pl $(CFLAGS) $(LIB_CFLAGS)
-GENERATE[sha256-ia64.s]=asm/sha512-ia64.pl $(CFLAGS) $(LIB_CFLAGS)
-GENERATE[sha512-ia64.s]=asm/sha512-ia64.pl $(CFLAGS) $(LIB_CFLAGS)
+GENERATE[sha1-ia64.s]=asm/sha1-ia64.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
+GENERATE[sha256-ia64.s]=asm/sha512-ia64.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
+GENERATE[sha512-ia64.s]=asm/sha512-ia64.pl \
+        $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS)
 
 GENERATE[sha1-alpha.S]=asm/sha1-alpha.pl $(PERLASM_SCHEME)
 
diff --git a/crypto/whrlpool/build.info b/crypto/whrlpool/build.info
index 7f3a19eaaf..6044d7ba98 100644
--- a/crypto/whrlpool/build.info
+++ b/crypto/whrlpool/build.info
@@ -1,7 +1,9 @@
 LIBS=../../libcrypto
 SOURCE[../../libcrypto]=wp_dgst.c {- $target{wp_asm_src} -}
 
-GENERATE[wp-mmx.s]=asm/wp-mmx.pl $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(PROCESSOR)
+GENERATE[wp-mmx.s]=asm/wp-mmx.pl \
+        $(PERLASM_SCHEME) $(CFLAGS) $(LIB_CFLAGS) $(CPPFLAGS) $(LIB_CPPFLAGS) \
+        $(PROCESSOR)
 DEPEND[wp-mmx.s]=../perlasm/x86asm.pl
 
 GENERATE[wp-x86_64.s]=asm/wp-x86_64.pl $(PERLASM_SCHEME)